ELECTRONICS INFORMATION UPDATE An affiliated Mouser Magazine EUROPE | MARCH 2019

DESIGN & DEVELOPMENT

FEATURES

Overcoming Constraints: Design a Precision Bipolar Power Supply on a Simple Buck Controller Arduino: Three Powerful Yet Overlooked Uses Threat-Modelling Your Device Operations Helps Identify Unwanted Exposure

PLUS

REGULARS Dev Kit pick Industry News: JEDEC publishes GaN HEMTs tests Fraunhofer researches energy storage Secure Ethernet in-vehicle comms New CEO at C&K Tech Tips

NPI subscribe now | emea.info.mouser.com/EIU 880649-TI Authorized Concept A Print-A4.pdf 1 20.11.18 12:54

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More TI products in stock for your next design. mouser.com/ti 880649-TI Authorized Concept A Print-A4.pdf 1 20.11.18 12:54

au thor ized adjective ELECTRONICS INFORMATION UPDATE having permission or approval In this issue... as in, “Mouser is an authorized source.” Mouser is all about supporting design and development innovation. We celebrate this activity this month with articles looking at powerful Arduino applications; threat-modelling; and designing a precision bipolar PSU on a simple buck controller. Our industry news round-up reports on: JEDEC’s publication of GaN HEMTs tests; Fraunhofer’s new research platforms for energy storage; how to deliver secure Ethernet in-vehicle comms; and newC&K’s new CEO. Plus, of course, regulars: Dev Kit Pick, Tech Tips (new this month) and the latest, most innovative NPIs now in stock at Mouser. Now read on…

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Overcoming Constraints: Design a Mark Patrick spotlights development Arduino: Three Powerful Yet Precision Bipolar Power Supply on a tools from STMicro, Adafruit, Maxim, Overlooked Uses Simple Buck Controller SparkFun and MYIR Tech

TECH TIPS NEW PRODUCTS

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Mouser’s Marcel Consée runs us through Latest products now available from ADI, getting started with PocketBeagle STMicro and TI and more…expanded section this month! More TI products in stock for your next design. mouser.com/ti Published by Ten Digit Ltd. For Editorial contact Nick Foot at [email protected]. For Advertising, contact John Waddell at [email protected].

www.mouser.com << previous page | next page >> March 2019 3 NEWS MOUSER NEWS FEATURES NEW PRODUCTS

International PowerSphyr and Data Spaces GaN Systems Association partner to develop launches first advanced wireless data sovereignty charging hubs One of the more useful technologies being commercialized is wireless power transmission. Targeted at applications ranging from battery-charging to "We selected GaN Systems on the remotely-powering inaccessible devices, basis of our strategic vision for wireless charging is an area ripe for delivering fast, flexible, and complete development. PowerSphyr, an innovator wireless charging solutions, and their in wireless charging, and GaN Systems, ability to rapidly deliver a complete a leader in gallium nitride (GaN) power family of robust, reliable, best-in-class semiconductors, have announced a semiconductors." strategic agreement to bring state- With over 90 members from 18 of-the-art GaN-based wireless power "Cutting the cord began with the countries, the goal of the International systems to market. telephone then Ethernet LAN and now Data Spaces Association (IDSA) is to the power cord," said Jim Witham, guarantee data sovereignty in an open, Leveraging PowerSphyr's wireless GaN Systems’ CEO. "A world without vendor-independent architecture using power expertise and GaN Systems' cords is becoming a realization because a peer-to-peer network providing usage wide-bandgap semiconductors, the of collaborations with visionary control of data from all domains. partnership intends to deliver easy-to- companies like PowerSphyr, whose use, high-performance, and complete technology, approach, and expertise is In pursuit of this goal, the organization wireless charging solutions that adhere uniquely-positioned to accelerate the has established the first IDSA hubs to standards while delivering advanced wireless power transfer and charging in Europe, leveraging partners with functional capabilities. marketplace." excellent networks to build these ‘bridges for growth’ in their respective "GaN Systems was a clear choice as a www.powersphyr.com countries. strategic partner," said Neil Ganz, CEO www.gansystems.com and Chairman of PowerSphyr. IDSA and its partners intend to disseminate their standard on data sovereignty and ecosystems in Europe and other regions, and to intensify HARTING Technology unveils cooperation with international R&D organizations and companies. The RFID-based digital goods first five hubs were announced during the IDSA Winterdays in Berlin recently management solution by Dr. Reinhold Achatz, Chairman of the Board of the IDSA. He presented One of the overlooked aspects of of concepts for logistics applications the hubs' representatives from advanced manufacturing today is the without programming effort. Spain, France, Italy, Finland and the complexity and scope of the modern Netherlands with their certificates of supply chain. Improving the flow Using HARTING's Modular Industry incorporation. of goods is as instrumental to the Computing Architecture (MICA) development of a successful product as together with the company’s GS1 ALE The partners in these countries its internal technology. 1.1 based middleware system, the will create awareness to generate collected pallet and object data can more potential for the topic of data At this year's LogiMAT trade fair be filtered and compressed directly sovereignty, run initiatives to recruit the HARTING Technology Group at the gate. From there, the data is new members, and disseminate IDS- demonstrated how effective it is to transmitted on network cables, WiFi, based applications. Moreover, they automate the flow of goods with their or even directly via LTE to the enterprise will foster and coordinate projects to state-of-the-art UHF RFID technology. resource planning system. further develop the IDS standard. The GateToGo is a mobile data entry portal (gate) that can be set up quickly, www.harting.com www.internationaldataspaces.org and can be used to run proof

4 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS Seiko Epson develops new interface conversion IC for in-vehicle ESCRYPT and systems

Marvell develop Seiko Epson has developed a new solution to secure interface conversion IC for in-vehicle Ethernet-based in-vehicle systems that converts Embedded communications DisplayPort (eDP) video signals to open LVDS display With the massive growth in Cloud- Stateless Packet Inspection; Dynamic interface (OpenLDI). based systems, one of the biggest Stateful Inspection and Deep Packet issues involved in the development Inspection. The firewall supports all Both eDP and OpenLDI are interface of products is the security of the standard routing schemes and can standards for transmitting video signals device, especially in important be used on the switch either as a to displays, but eDP supports higher systems like passenger vehicles. library or as a standalone solution. The resolution video and faster speeds than Addressing the security problem, switch hardware and software are so the more widely used OpenLDI. ESCRYPT and Marvell, a leader in interwoven algorithmically, that the Compared to OpenLDI, eDP can infrastructure semiconductor solutions, firewall can process the majority of transfer video signals at higher rates, are presenting a joint solution to data packets at wire speed. and are growing in popularity for in- secure Ethernet-based in-vehicle vehicle displays. communication. The Marvell 88Q5050 Ethernet switch is also available with ESCRYPT’s To ease transition to systems that The Marvell 88Q5050 automotive integrated intrusion detection system. support eDP input signals, Epson secure switch integrates ESCRYPT‘s The intrusion detection system is an developed the S2D13V70, an interface CycurGATE firewall and intrusion embedded security component that conversion IC that supports automotive detection system to provide an monitors in-vehicle communication standards. The new product satisfies enhanced level of end-to-end security so it can detect anomalies, typical the strict quality requirements of the to the automotive customers. The intrusion signatures, and abuse of automotive industry, is compliant Marvell 88Q5050 is an automotive diagnostic mechanisms. with AEC-Q100*2 and operates at Ethernet gigabit switch with cutting- “Together with Marvell, we offer our temperatures up to 105°C. edge security features to prevent customers a complete solution to malicious attacks or compromises to secure in-vehicle Ethernet networks. The device has safety functions the data streamed in the vehicle. required for automotive systems, This advanced switch employs Deep This solution provides comprehensive such as a CRC function to monitors Packet Inspection (DPI) techniques and protection against unauthorized access whether video signals output from an Trusted Boot functionality to deliver and ensures security of onboard ECU are being properly received, and extraordinary security in automotive communication from the switch – a blank screen function to mask the Ethernet networks. virtually right out of the warehouse,” display with a particular image pattern said ESCRYPT Product Manager when a problem is detected in the The switch supports both blacklisting Siddharth Shukla. “This is how the transmission path between an ECU and and white-listing addresses on all of Marvell 88Q5050 Ethernet switch with the conversion IC. its Ethernet ports to further enhance integrated ESCRYPT security functions security. If used as an integrated has already proved itself in large-scale The IC supports the design of dual- component of the switch, ESCRYPT’s automotive production.” display instrument clusters, with a CycurGATE automotive firewall will splitter function that splits and outputs support all filter mechanisms inside www.marvell.com video signals on two displays. the Marvell 88Q5050 Ethernet switch: www.escrypt.com global.epson.com

www.mouser.com < contents << previous page | next page >> March 2019 5 NEWS MOUSER NEWS FEATURES NEW PRODUCTS Fraunhofer creates JEDEC publishes research platform for first test method for dynamic resistance energy storage systems of GaN HEMTs

There is a lot of attention being paid to wide-bandgap semiconductors now that parts are available in quantity and more and more design-ins are being announced. However, it is just as important to have consistent test standards for these devices to ensure proper design and development. The JEDEC Solid State Technology Association, a leader in standards development for the Inauguration of the Fraunhofer Project Center for Energy Storage and Systems ZESS (f.l.t.r.): Prof. Arno Kwade, microelectronics industry, recently published director of the iPAT of the TU Braunschweig, Prof. Christoph Herrmann, director Fraunhofer IST, Prof. Heinz Jörg Fuhrmann, chairman of the senate of the Fraunhofer-Gesellschaft, Reimund Neugebauer, president of JEP173 Dynamic On-Resistance Test Method the Fraunhofer-Gesellschaft, Prof. Anke Kaysser-Pyzalla, president of TU Braunschweig, Stephan Weil, minister Guidelines for GaN HEMT-Based Power president of the state of Lower Saxony, Ulrich Markurth, mayor of Braunschweig, Prof. Michael Stelter, deputy Conversion Devices. The first publication institute director Fraunhofer IKTS, Prof. Alexander Michaelis, director Fraunhofer IKTS, Prof. Matthias Busse, director Fraunhofer IFAM. developed by JEDEC’s newest main committee is available for free download from the JEDEC The future of numerous sectors Ulrich Markurth, mayor of website. JEP173 addresses a key need of the of technology and industry hinges Braunschweig added: “Thanks to user community of GaN power FETs, namely - directly or indirectly - on the the NFF, Braunschweig has already a method for the consistent measurement development of powerful new energy established itself as a center of of Drain-to-Source resistance in the On-state storage systems. The new Fraunhofer excellence in Lower Saxony for research (RDS(ON)) encompassing dynamic effects. Project Center for Energy Storage into vehicle and transport technology. These dynamic effects are characteristic of and Systems, ZESS, was inaugurated The arrival of a new federal facility will GaN power FETs, and the value of the resulting on February 7, at the Automotive intensify this focus on research. I am measured RDS(ON) is method-dependent. Research Centre Niedersachsen in therefore delighted that Braunschweig Braunschweig. A joint initiative of has secured the nomination for “JEP173 demonstrates how quickly the the Fraunhofer Institute for Ceramic this new research establishment. GaN industry came together to address Technologies and Systems IKTS, the TU Braunschweig and the city of this important topic, to begin to establish Fraunhofer Institute for Manufacturing Braunschweig worked hand in hand in standards across suppliers for datasheet, Technology and Advanced Materials the preparation of the application.” qualification, and test methods,” noted IFAM, and the Fraunhofer Institute for Stephanie Watts Butler, technology innovation Surface Engineering and Thin Films IST, The new project center will be able architect at Texas Instruments and the chair the purpose of the project centre is to to exploit synergies between various of JC-70. “The release of JEP173 will help develop energy storage systems, both Fraunhofer institutes, and between accelerate industry-wide adoption of GaN by mobile and stationary. them and the Battery LabFactory ensuring consistency across the supplier base.” Braunschweig, which is part of According to Stephan Weil, minister Technical University Braunschweig. “Strong commitment from the committee president of the state of Lower Saxony: For the first five years, the Fraunhofer- members was required to complete this work “Energy storage systems are the Gesellschaft and state of Lower Saxony to set up universal standards to help advance missing piece of the jigsaw puzzle. They are providing startup capital of 20 the adoption of wide-bandgap (WBG) power will ensure that we can provide our million euros to fund 20 individual technologies,” remarked Tim McDonald, industrialized economy with a reliable projects and encourage a concentration Senior Advisor to Infineon’s CoolGaN program supply of renewable energy. At the same of expertise and closer networks and the chair of the JC-70.1 subcommittee. time, we also require an effective system between stakeholders in Lower Saxony. “Our Task Groups are diligently making of energy storage in order to make our progress on other key GaN and SiC guidelines transportation and our heating more Once these primary activities have in the areas of test, reliability, and datasheets.” environmentally-friendly. I am therefore been established in Braunschweig, the Interested companies worldwide are welcome delighted to welcome another flagship next step will be to set up a satellite to join JEDEC to participate in this important centre for research and development demonstrator facility in Peine, also in standardization effort. JC-70 plans to hold to Braunschweig and Lower Saxony. Lower Saxony. four committee meetings in 2019, including a Fraunhofer ZESS will now be developing meeting co-located with the APEC Conference innovations in these fields and making www.fraunhofer.de on March 18. them commercially viable.” www.jedec.org

6 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS

C&K appoints industry-veteran Scott Smith as CRO

C&K, a manufacturer of high-quality He has also held several executive electromechanical switches, has positions, including Chief Commercial appointed Scott Smith as the company's Officer at Moduslink Global first Chief Revenue Officer (CRO), Solutions, headquartered in Waltham, reporting directly to CEO John Boucher. Massachusetts. Prior to this, he held the In this new management appointment, post of Managing Director for European Smith will spearhead the revenue growth Operations and Global SVP of Sales for strategy across C&K's sales operations in Celestica Corporation, the $7B electronics key markets. manufacturing services company. (From left to right) Scott Smith, C&K’s new CRO, Based in the company's head office in Previously, Smith also served as President alongside CEO John Boucher. Newton, Massachusetts, Smith will lead of Lenovo Americas, where he led the global sales, marketing, channel and transformation of the company following "This is an ideal time to join C&K, given customer success teams to win new the successful acquisition of the IBM the exceptional service we offer to our business and build on existing accounts. Personal Computing Division. During 22 customers alongside the scale of the He will direct new promotional and years at IBM, he held leadership positions in market opportunity and growth potential digital marketing activities, combined North America, South America, and Asia. for the company," said Smith. "As with efforts to increase revenue through "We are delighted to welcome Scott to C&K's high-quality portfolio of products direct sales, and improve indirect sales our company's leadership team to help continues to evolve, there are huge growth through C&K's extensive network boost C&K's market share across key opportunities worldwide to take advantage of manufacturer representatives segments and deliver further revenue of. With a strong global team, our and channel partners. With over 30 growth," said John Boucher, CEO of competitive manufacturing in Europe and years of experience, Smith served as C&K. "Drawing from his experience of Asia, and many more innovative products Chief Executive Officer of Beyonics executing similar programs at category- soon to launch, I am very optimistic about International, a precision engineering leading companies, Scott is the ideal being able to drive revenue growth." and manufacturing company candidate to advance our market headquartered881780-Samac-190x130mm-UK.pdf in Singapore. 1 18.12.18leadership 14:15 position." www.ckswitches.com

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www.mouser.com < contents << previous page | next page >> March 2019 7 NEWS MOUSER NEWS FEATURES NEW PRODUCTS

Mouser Electronics and Pimoroni Sign Global Distribution Agreement

Global Distributor Stocks Pimoroni’s Accessories for Raspberry Pi, Arduino, micro:bit

Through a new agreement, Mouser now Grant Imahara hosts robot panel in new video stocks Pimoroni’s accessories for Raspberry Pi, Arduino, and micro:bit boards. Grant Imahara’s panel discussion from • Magnus Egerstedt, Steve W. Chaddick the 2018 Electronic Components School Chair and Professor in the School Pimoroni offers a broad selection of Industry Association (ECIA) Executive of Electrical and Computer Engineering Raspberry Pi accessories, ranging from Conferenceen titled ‘How Robotics at the Georgia Institute of Technology. the company’s first product, the Pibow Will Shape Our Future’, has just been case, to a variety of HATs and pHATs that released by Mouser as the final episode • Dominik Boesl, Vice President, Senior add almost unlimited functionality to in its Generation Robot video series. Corporate Innovation Manager and the Raspberry Pi and Raspberry Pi Zero Technical Fellow at KUKA Robotics single-board computers. HAT and pHAT The video features Imahara leading a options include different LED matrices, lively panel discussing the frontiers of Since 2015, Mouser’s Empowering gesture detection, musical instruments, robotics with a focus on how they are Innovation Together video program and prototyping boards for creating new causing us to rethink the way we live and has been one of the most visible and projects. work. Imahara is joined by the following recognized programs in the electronic panelists: component industry, featuring projects Mouser is also now stocking the ranging from 3D printing objects in space Pimoroni Picade PCB, an Arduino- • Ayanna Howard, Professor and Chair to the amazing benefits of technologies compatible board designed for use of the School of Interactive Computing that are Shaping Smarter Cities. in arcade-game projects. The board in the College of Computing at the features a Microchip ATmega32U4 Georgia Institute of Technology https://youtu.be/HiJ1pq3E-dg microcontroller and comes with the Arduino bootloader and Pimoroni software pre-installed. Screw-terminal contacts enable engineers to add a four- direction joystick and up to 12 buttons, New ezine highlights plus two 4Ω speakers driven by the onboard 3W amplifier. Transformational Pimoroni’s micro:bit-compatible products Design trends include the scroll:bit, pin:bit, and an accessories kit. The scroll:bit is a small display board with 119 bright white LEDs The first issue of volume three, of Mouser’s Methods for scrolling text, animations, and graphs. technology and solutions eZine, Design Trends and the The pin:bit is a tiny breadboard extension Transformation of Everything, looks at transformative for prototyping new circuits. The micro:bit technologies such as 5G, augmented reality (AR), accessories kit consists of a switchable autonomous vehicles. AAA battery pack and micro-USB cable for getting started with micro:bit. The issue is framed by a foreword by Sam George, Director of Microsoft Azure IoT Engineering, in which he offers a high-level overview of the technologies discussed in later articles. While focusing on a wide range of transformational design trends, the issue features multiple articles on issues relevant to the IoT, including practical applications in industrial IoT, a survey of IoT development kits, and IoT contributions to sustainable engineering. The new issue also includes an interview about MicroPython with Ladyada and a piece by ‘Wizard of Make’ Bob Martin on innovation to productization. Rounding out the issue is a look at what’s after Moore’s Law. www.mouser.com/pimoroni eng.info.mouser.com/methods-ezine

8 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS The pick of last month’s NPI Mouser sponsors Last month, Mouser launched more than 328 new Formula E products ready for same-day shipment. electric racing Highlights include: team for 5th Year Texas Instruments AWR1243 76-to-81GHz TTI, Molex and AVX Automotive MMICs TI’s AWR1243 device is a single-chip FMCW transceiver that partners in support of operates in the 76 – 81GHz band, enabling excellent integration GEOX Dragon Team in low-power, self-monitored, automotive radar systems. Mouser is proud to announce its ON Semiconductor IoT Prototyping Platforms sponsorship of the GEOX Dragon ON Semiconductor’s IoT Prototyping Platforms reduce time-to- Formula E Team throughout the 2018-19 market and allow rapid deployment of IoT-enabled products racing season. Mouser is backing the with a wide range of choices including configurable hardware, team this year in collaboration with TTI, multiple cloud connectivity, easy-to-use development software, Inc. and valued suppliers Molex and and application examples. AVX. This marks the fifth-straight year that Mouser and Molex have sponsored OSRAM Opto Semiconductors OSCONIQ S 3030 White LEDs Formula E racing. "Formula E cars OSRAM OSCONIQ S 3030 white LEDs feature a 120 degree require the latest sustainable and — viewing angle at 50% luminous intensity and correlated colour most importantly — high-performance temperatures ranging from 2700K to 6500K (QSLR31EM series) components to gain a competitive and 3000K to 6500K (QSLR31PM series). edge," said Todd McAtee, Vice President, Americas Business Development for Amphenol Sine Systems DuraMate AHDM Metal Mouser Electronics. Circular Connectors Amphenol’s DuraMate AHDM series are environmentally-sealed, Team drivers for Season 5 include multi-pin, and heavy-duty metal circular connectors designed to three-time World Touring Car Driver's withstand the challenges and complexities of harsh-environment Champion and multiple FIA Formula E off-road applications. podium finisher José María "Pechito" López, along with Formula 2 race www.mouser.com/newproductinsider winner and former Dragon Test and Reserve driver, Maximilian Günther. The team is also in discussions to bring on Wireless SoMs for industrial use added former Formula 1 pilot and reigning IMSA Champion, Felipe Nasr. "We are through SoMLabs deal all looking forward to this season of Formula E. The Gen2 car is a huge step Mouser has signed a global distribution can be used as a complete development forward in electric racing technology, agreement with SoMLabs, the developer platform or as a stand-alone product. The and it will be exciting to see how it of a wide range of embedded platforms VisionCB-6ULL-STD houses a wide range evolves the already popular sport," for industrial applications. of communication interfaces, including said Fred Bell, Vice President of Global USB 2.0 host and client and 100Mbit Fast Distribution for Molex. The VisionSOM-6ULL family of SODIMM- Ethernet, and is compatible with Arduino sized System-on-Modules (SoMs) are based Uno Rev. 3 and Raspberry Pi for additional To further support the GEOX Dragon on an NXP i.MX6 ULL application processor connectivity. drivers, fans are encouraged vote for with a 900MHz Arm® Cortex®-A7 core. their favourite driver in FANBOOST, The low-power SoMs feature high SoMLabs SL-TFT7-TP-800-480 is a which allows fans to play an active role computation power and 802.11b/g/n complete 17.78mm TFT-LCD display in influencing the outcome of the race. Wi-Fi and Bluetooth® 4.1 connectivity. integrated with a capacitive touch panel, FANBOOST gives fans the opportunity VisionSOM-6ULL SoMs support ideal for use with the VisionCB-6ULL-STD to vote for their favourite driver and connections to a variety of interfaces, carrier board. The SL-TFT7-TP-800-480 award them an extra boost of power including two high-speed USB On-The-Go display contains all of the DC-DC during the race. The five drivers with the with PHY, dual Ethernet, audio, display with converters necessary for a +5V single rail most FANBOOST votes are awarded a touch panel, and serial interfaces. Memory power supply. The display offers a 24-bit significant burst of power, which they options include DDR3L, NAND, eMMC, and RGB matrix of 800 × 480 pixels plus TTL- can deploy in a 5-second window during SD memory slot. LV (3.3V)-compatible communication and the second half of the race. data interfaces. VisionCB-6ULL-STD is a carrier board www.mouser.com/formula-e for the VisionSOM family of SoMs that www.mouser.com/somlabs

www.mouser.com < contents << previous page | next page >> March 2019 9 NEWS MOUSER NEWS FEATURES NEW PRODUCTS Threat-Modelling Your Device Operations Helps Identify Unwanted Exposure

By Jeff Fellinge for Mouser Electronics

Threat-modelling is a disciplined And of course, be sure to update Threat Model process designed to identify and your existing threat models whenever Methodologies correct potential product vulnerabilities significant changes to your systems in the early stages of design. The threat are made. Even as the internet began to ramp models you create describe how your up in the early ‘90s, researchers and product components work together At its core, threat-modelling is the scientists were already thinking about with users and enumerate potential process for documenting the design threat-modelling. Early models of attack threats and countermeasures that elements of your system and specifically trees and threat trees were developed by mitigate these threats. the threats to those elements as seen enumerating system vulnerabilities and from an attacker’s point-of-view. systematically examining all the ways an Ideally, you’ll want to threat model attacker could compromise a system. each of your systems early in the design The process involves understanding As the internet expanded and exploited process when changes can be made the components and users of your vulnerabilities became an everyday at a much lower cost than when the systems, the boundaries between problem, many companies sought to product is complete. these components and users, and the build better security into the core of attack paths—or threat vectors—likely their products. For example, Microsoft Threat-modelling is an important favoured by attackers. developed the STRIDE threat model, component of a Security Development which became a critical component of Lifecycle (SDL) program and ensures This perspective helps you take a risk- its own secure development lifecycle. your components, systems, and code is based approach to design the right appropriately secure by design. Threat- safeguards and countermeasures that STRIDE is a systematic process modelling is a critical exercise for both mitigate these threats. to discover potential threats and software developers and information recommend mitigations across six technology systems engineers and For example, a threat model will potential threat categories: architects. Even if you did not build highlight the risks of connecting a the systems that you operate, regularly sensitive data store adjacent to a public • Spoofing conducting threat-modelling exercises web server and guide the selection of • Tampering forces you to think like an attacker appropriate logical security controls to • Repudiation and will spark ideas to improve your lower that risk to an acceptable level. • Information disclosure product security. • Denial of service • Elevation of privilege

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There are other types of threat model "There are many other methodologies, but the principles are similar. What is important is the robust commercial process of asking yourself ‘what could and community go wrong?’, and then breaking down these potential threats into categories threat-modelling to help you think about appropriate tools tailored to countermeasures. For example, you might identify the transmission of specific types of sensitive data over HTTP to a remote operational models." system as a potential information disclosure threat that could be mitigated by encrypting the network traffic. Identify potential bad actors in your When you are finished, you can run DFD and show how they might a report and the tool will use these Data Flow Diagram access your system. With your DFD objects, attributes, and boundaries to that identifies the trust boundaries, generate and show you a preliminary An essential element to threat-modelling communications across these list of threats and suggested is the Data Flow Diagram (DFD), which boundaries, and who and what will mitigations. You will want to validate includes all the important components make up these communications, you its assumptions and adjust the threat of your system and their interaction. can then begin to look at the potential model to refine it to your environment This diagram shows all key components threats to your system. and specific use cases. and systems—whether they are spread across an on-premise and cloud Threat-Modelling Tools There are many other robust infrastructure or reside on one server commercial and community threat- or within a single application. The If you are new to threat-modelling, modelling tools tailored to specific approach and level-of-detail in your DFD identifying the right threats can be types of operational models. For depend on what you are designing. For overwhelming. Fortunately, there example, one tool might integrate example, if you are deploying a new are several threat-modelling tools especially well with agile software video camera on your network, you available to guide you through this development processes, and another might not be able to threat model the process and help identify what kinds might excel at modelling traditional camera software itself, but you should of threats to look for. One free and information technology systems, identify all the surrounding systems easy-to-use tool is the Microsoft like calling out specific firewalls and that the camera needs to communicate Threat-modelling Tool. While this tool is intrusion detection systems and with, what protocols it uses, and who targeted towards software developers their configurations. Some of these will access it. Be sure to include this and architects, it can be extended for tools perform sophisticated attack information in your DFD. basic IT operational models as well. simulations and are hosted on a The Microsoft Threat-modelling Tool is collaborative, permission-based web And hopefully, the manufacturer of the especially useful when trying to grasp platform that allows you to share camera has also threat-modelled the the fundamentals of threat-modelling threat-modelling data between team development of their video software quickly. Download and install the client, members easily. as well. For example, their software and within minutes you will be creating threat model might identify the internal your first threat model. boundaries, objects, and methods used Conclusion by the software to isolate sensitive data Follow the steps below to create a and communicate with other objects threat model using the Microsoft Threat-modelling is a straight forward and systems. Threat-modelling Tool: process of identifying your system, what could go wrong with your system, The DFD should show the objects and 1. Create a DFD using the graphical and how to prevent that. However, a their request and responses from other interface by dragging and dropping lot of nuancing is required to creating a objects as well as clearly delineate various components—such as a good threat model, and you will want boundaries between different groups database, host, or mobile client—and to be sure your own process captures of objects. For example, you might linking them with dataflow actions. the right data so that you do not show the logical boundaries between miss anything important. The threat- your front-end web-app systems and 2. Lasso the objects to create a variety of modelling tools go a long way to help more sensitive data stores. Add the boundaries. Examples of boundaries provide this framework. Remember to users of your systems and specifically include IoT device zone, Azure trust take advantage of the many threat- the actors—or threat agents—that boundary, and remote user zone. modelling resources on the internet to might abuse your system to your help you design and build a process DFD. For example, differentiate a 3. Customize these objects to reflect well-suited to your own environment. privileged operator from a regularly your own environment. For example, credentialed employee when modelling set a data-store object attribute to the Click for More Information authorization processes to your system. specific version of SQL that you use.

www.mouser.com < contents << previous page | next page >> March 2019 11 NEWS MOUSER NEWS FEATURES NEW PRODUCTS

Overcoming Constraints: Design a Precision Bipolar Power Supply on a Simple Buck Controller

By Victor Khasiev, Senior Applications Engineer at ADI

Industrial, automotive, IT, and However, adopting new chips requires The most-used topology for generating networking companies are major significant investment due to the lengthy a power supply is for step-down purchasers and consumers of power and costly process of testing new converters. However, employment of electronics, semiconductors, devices, devices for compliance with automotive this topology is limited to generating and systems. These companies use the standards, verification functionality in positive outputs from the input full array of available topologies for DC- the specific applications, conditions, voltages that are greater than the DC converters that employ buck, boost, and equipment. output. and Single-Ended Primary-Inductor (SEPIC) in different variations. The obvious solution for reducing It cannot be used in a straightforward development and design cost is way for generating negative voltages In an ideal world, these companies employing already approved and verified or providing stable outputs when the would use a specialized controller for controllers in different applications. input voltage drops below the output. each new project.

Figure 1.An electrical schematic of LTC3892 that is generating positive and negative voltages. VOUT1 is 3.3V at 10A and VOUT2 is –12V at 3A.

12 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS "For maximum utilization of this chip, one output must be employed to generate a positive voltage and a

second to generate The first output VOUT1 is the The following basic equations are straightforward buck converter. The required to understand the voltage negative voltage." second output has a more complex stress on the power train components.

structure. Because VOUT2 is negative relative to GND, the differential Both aspects to generating output are amplifier U2 is employed to sense important in automotive electronics negative voltage and scale it to the when negative voltage is needed 0.8V reference. for supplying amplifiers or when a complete system must continuously In this approach, both U1 and U2 are work properly in case of cold cranking referenced to the system GND, which when the input voltage rails drop significantly simplifies the power significantly. supply’s control and functionality.

This article details a method for using The following expressions help to The VOUT2 efficiency curve is presented a simple buck controller in SEPIC, Cuk,´ calculate the resistor values for RF2 and in Figure 2. The LTspice® simulation and boost converters. RF3 in case a different output voltage is model of this approach is available required. here. In this example, the LTC3892 Generating Negative and converter’s input is 10V to 20V. The Positive Voltage from a output voltages are +5V at 10A and Common Input Rail –5V at 5A.

Figure 1 illustrates the design of a bipolar power supply based on a single buck controller with two outputs.

For maximum utilization of this chip, one output must be employed to generate a positive voltage and a second to generate negative voltage. The input voltage range of this circuit is 6V to 40V.

The VOUT1 generates positive 3.3V at The VOUT2 power train employs a Cuk´

10A and VOUT2 negative voltage –12V at topology, which is widely covered in Figure 2. Efficiency curve of the negative output at 14V 3A. Both outputs are controlled by U1. the relevant technical literature. input voltage.

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Figure 1.An electrical schematic of LTC3892 that is generating positive and negative voltages. VOUT1 is 3.3V at 10A and VOUT2 is –12V at 3A.

ES-Artwork-COM-180x65mm.indd 1 18.07.18 10:40 www.mouser.com < contents << previous page | next page >> March 2019 13 NEWS MOUSER NEWS FEATURES NEW PRODUCTS

"Use of the discrete chocks significantly expands the range of the available magnetics, which is Figure 4. If the rail voltage drops from 14V to 7V, both Figure 5. The rail voltage rises from 14V to 24V. very important for VOUT1 and VOUT2 stay in regulation. However, both VOUT1 and VOUT2 stay in regulation. cost-sensitive devices." The relevant LTspice simulation model shows the LTC3892 converter’s input Generating Stable is 10V to 20V. The output voltages are Voltages from a +5V at 10A and –5V at 5A. Fluctuating Input Rail

The electrical schematic of the converter Figure 4 and Figure 5 illustrate the Conclusion shown in Figure 3 supports two outputs: functionality of this converter at

VOUT1 with 3.3V at 10A and VOUT2 with voltage drops and spikes; for example, This article explained the methods of 12V at 3A. The input voltage range is at cold cranking or load dumps. building bipolar and dual-output power

6V to 40V. VOUT1 is created in a similar supplies based on the step-down fashion, as shown in Figure 1. The rail voltage VIN drops or rises at a controller. This approach allows for relatively nominal 12V. However, both the use of the same controller in buck,

The second output is a SEPIC converter. VOUT1 and VOUT2 stay in regulation and boost, SEPIC, and Cuk´ topologies. This SEPIC converter, as with Cuk´ provide a stable power supply to the This is very important for vendors of above, is based on noncoupled, dual critical loads. automotive and industrial electronics, discrete inductor solutions. Use of the as they can design power supplies with discrete chocks significantly expands The two-inductor SEPIC converter a variety of output voltages based on the range of the available magnetics, can be easily rewired to a single the same controller, once it is approved. which is very important for cost- inductor boost converter. sensitive devices. Click for More Information

Figure 3. Electrical schematic of LTC3892 in a SEPIC and in buck applications.

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www.power.com Figure 3. Electrical schematic of LTC3892 in a SEPIC and in buck applications. NEWS MOUSER NEWS FEATURES NEW PRODUCTS

The development tools you need Top 5 Development Tools

Mouser offers one of the widest ranges of development kits immediately available off-the-shelf to help designers get started. Here, Mouser’s Technical Marketing Manager, EMEA, Mark Patrick, presents his ‘Top 5 Pick’ of recently-released dev kits. www.mouser.com/Development-Tools-Center

Write clean and simple code to control hardware Adafruit CircuitPython starter kit with Itsy Bitsy M4

Adafruit’s CircuitPython starter kit contains an ATSAMD51 Cortex M4 microcontroller breadboard, assorted parts, including an ItsyBitsy M4, and a carrying case. The 120MHz microprocessor is ideal for users who need a compact and powerful portable chipset. The ItsyBitsy M4 features numerous GPIO pins and analogue inputs and outputs. The Cortex M4 Smart Power-over-Ethernet also has floating point support with 512KB Flash and 192KB interfacing RAM. CircuitPython is designed for users to write clean and simple Python code to control hardware. STMicroelectronics STEVAL-POE005V1 eval board FIND OUT MORE >>

STMicroelectronics STEVAL-POE005V1 eval board is configured to evaluate the operation of the PM8804/5 an IEEE 802.3bt PoE-PD controller/interface system-in-package, for smart power supplies, including a DC-DC forward active clamp converter. The STEVAL-POE005V1 allows for easy verification of a PD interface compliant with the new IEEE802.3bt standard based on PM8805 and of a DC-DC active clamp forward converter based on PM8804 controller. The STEVAL- POE005V1 board features a programmable oscillator for the switching frequency, adjustable slope compensation, dual complementary low-side drivers with programmable dead time and soft start, soft turn off and a programmable current sense blanking time.

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Human/machine interfacing MYIR Tech MYD-Y6ULX-HMI dev boards

MYIR Tech MYD-Y6ULX-HMI development boards are designed for MYD-Y6ULX-CHMI display panel for Human Machine Interface (HMI) applications. These boards provide complete evaluation modules for the NXP i.MX 6UltraLite/6ULL processor family. The MYD-Y6ULX-HMI development boards are powered by the MYC-Y6ULX CPU system-on-module which includes a 528MHz NXP i.MX 6Ultralite Arm Cortex-A7 processor, 256MB DDR3, 256MB Nand Flash, and Ethernet PHY.

The MYD-Y6ULX-HMI development boards feature extended multiple peripheral interfaces such as RS232, RS485, USB host/ device, 10/100Mbps Ethernet, and TF card to its baseboard. These boards also feature a camera interface and support 16-bit LCD and 4-wire resistive or capacitive touch-screen driven directly from the board circuit. The MYD-Y6ULX-HMI is preloaded with Linux OS.

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GNSS and GPS location solutions Wearable and hearable applications capable of 10mm, 3D accuracy Maxim Integrated MAX32665EVKIT/ SparkFun GPS-RTK2 Board — MAX32666EVKIT eval kits ZED-F9P (Qwiic) Maxim MAX32665EVKIT & MAX32666EVKIT kits evaluate the capabilities of the MAX32665-MAX32668 high-efficiency SparkFun GPS-RTK2 Board — ZED-F9P (Qwiic) is a Global Arm® microcontroller and audio DSP. The microcontroller and Navigation Satellite System (GNSS) and GPS location solutions audio DSP are designed for wearable and hearable device board capable of 10mm, three-dimensional accuracy. The applications. The kits include MAX32665/MAX32666 ICs with Real-Time Kinematics board features the ZED-F9P module a preprogrammed demo - a socketed version for the secure from u-blox. The ZED-F9P is capable of both rover and base integrated circuit and direct mount version for the non-secure station operations. The Qwiic system means no soldering is IC. Bluetooth® hinged whip antenna, JTAG debugger with required to connect. The device also includes a rechargeable ribbon cable and two standard A to Micro B USB cables are backup battery to keep module configuration and satellite also included. data available for up to two weeks.

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www.mouser.com < contents << previous page | next page >> March 2019 17 NEWS MOUSER NEWS FEATURES NEW PRODUCTS

Arduino: Three Powerful Yet Overlooked Uses

By Daniel Hankewycz

Most engineers cringe when they see an Arduino in my toolbox because it's "It might not have often seen as being too easy to use or blazing specs, but not feasible. For the most part, they are correct, but that's not what I'm here to sometimes it's just Here's a list of some of the features debate about. available to you when using an enough to get you ATmega328 based Arduino: What these people don't realize is the by in a squeeze." powerful ‘shape shifting’ tool that this • 4MHz max sampling rate low cost development board is. Here are three commonly overlooked uses Due to its simple serial protocol, many • 1024 samples for an Arduino: open source tools like Bus Pirate, Logic Pirate, and of course, Arduino have • 6 channels Digital Logic Analyzer basic support for OLS. • Masked triggering Open Source Logic Sniffer (OLS) is a With zero external components (wires simple software tool that implements not included), and Andrew Gillham's • Adjustable pre/post record ratio features of a digital logic analyzer open source code, you can program (Figure 1). The OLS client is Java based, your Arduino UNO to become a digital • Set of measuring tools: frequency, which allows it to run happily on most logic analyzer. period, duty cycle, etc. operating systems.

Figure 1: Open Source Logic Sniffer is a simple software tool that implements features of a digital logic analyzer.

18 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS

Figure 2: Custom menus for a bus-tracking system.

It might not have blazing specs, but "I know it seems UART to USB sometimes it's just enough to get you by in a squeeze. I often find myself kind of obvious, I know it seems kind of obvious, but the using either the Arduino or FPGA Arduino has a built-in FTDI USART-to- implementation to verify proper but the Arduino USB chip. For those Arduino products communication protocol while bit- has a built-in FTDI that have through-hole style MCUs such banging code. as the Arduino UNO R3, if you carefully USART-to-USB chip" pry out the ATmega DIP chip from its AVR Programmer socket, you can free up the serial pins (RX and TX) for other cool uses. I find Like many college students, money is To begin: myself doing this a lot since I like to often a deal breaker for most of my program informative menus into my decisions. 1. Open up the IDE and go to micro controller programs. File › Examples › ArduinoISP. In this particular case, I am referring to Sometimes a simple interface to let you the overhead cost of purchasing an 2. Compile and upload the sketch as change the mode or request data of in-system programmer for micro you normally do. something at runtime can help save you controller design. Perhaps you want to hours of debugging time. Figure 2 is an make one of your projects permanent Once completed, you can now use excellent example of one of these menus on a PCB, or are just curious to see how the Arduino pins 10, 11, 12, and that I made while designing a bus- to ‘manually’ program an AVR. 13 as RESET, MOSI, MISO, and SCK tracking system for my campus bus route. accordingly to program your target Whatever the case maybe, this amazing AVR device. There you have it. Who knew the implementation of the Arduino, in my Arduino could be as versatile as a Swiss opinion, takes the cake. The only thing left to do is to add army knife? I hope I have encouraged these flags to your makefile or you to dust off your Arduino and begin The process is quite simple. In fact the avrdude command line: exploring new areas of the wonderful sketch is now included with all new world of electronics. versions of the Arduino IDE. -P -c avrisp -b 19200 Click for More Information

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ES-Artwork-COM-180x65mm.indd 4 20.02.19 14:01 www.mouser.com < contents << previous page | next page >> March 2019 19 NEWS MOUSER NEWS FEATURES NEW PRODUCTS Tech Tips

This Month, Marcel Consée, TechNerd and Technical Content Specialist at Mouser Electronics EMEA opens the box on Beagle Board’s PocketBeagle. Getting started with PocketBeagle

The Linux-based USB key-fob computer However, starting the device up for the One of the files there opens a ‘Quick PocketBeagle by Beagle Board is very first time may be an obstacle to some Start guide‘ that helps with tricky issues popular, but its very small size often potential users, and that’s not only due like setting up network connections. makes its use quite confusing. to Linux-compatibility issues. Once this is done, a web-based IDE is ready that allows for basic While manufacturer BeagleBoard The most common approach uses a PC programming using some (www.mouser.co.uk/beagleboardorg/), and a Linux image (ideally Debian). The elementary libraries. originally focused on educational user connects the PocketBeagle to the purposes, users soon discovered a PC via a USB cable (microUSB to USB A). Additional library files give free wide range of other applications for programming access to the 72 the PocketBeagle (www.mouser.co.uk/ On the Beagleboard homepage expansion header pins. These aren’t new/beagleboardorg/pocketbeagle/). (beagleboard.org/latest-images), pre-configured so users have the Not only typical ‘maker‘ projects make suitable Debian images can be found. opportunity to use them any way they use of this single-board computer The chosen file has to be transferred to like. Additional JTAG pads allow for but also specialized industrial control the microSD card (www.mouser.co.uk/ emulation, and three pins give access to and especially sensor management Embedded-Solutions/Memory-Data- the serial debug port of the processor. applications too. Storage/_/N-fb8ww?P=1y92nky&Ke yword=microSD&FS=True) as a .img As practically every part of this board Considering its small dimensions file. Insert the memory card into the can be configured independently, its – it measures just 55x35x5mm - PocketBeagle’s SD slot and connect to application possibilities are extremely PocketBeagle has an enormous amount the PC. The board starts to boot from diverse. of computing power (OSD3358-SM the image file immediately. SiP www.mouser.co.uk/new/octavo- This freedom comes with a burden: systems/octavo-systems-osd335-sip/) As soon as this process is completed, You actually have to take care of and very versatile I/Os. the board will show as a USB storage everything yourself. The versatility device on the PC. is worth it!

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ES-Artwork-COM-180x65mm.indd 9 20.02.19 14:02 20 March 2019 < contents << previous page | next page >> NEW PRODUCTS FEATURES MOUSER NEWS NEWS

Miniature, high-performance NEW PRODUCT at mouser.com 5G interconnect

Mouser is stocking a wide variety of 5G-capable interconnect solutions from Amphenol SV Microwave.

3mm board-to-board interconnects feature 3mm board- to-board spacing and 3.81mm minimum pitch between adjacent connectors. These connectors offer a frequency range from DC to 40GHz and provide an ultra-low stacked board-to-board high-frequency coaxial connection system.

SV Microwave’s Mini-D connection system offers high- frequency RF performance up to 67GHz with a high-density design and proven SMPS interface which is recessed from the connector housing to protect damage. The keyed D-sub design helps engineers avoid mating errors while thumbscrews allow for easy mating and unmating.

LiteTouch solderless coaxial and surface-mount connectors SV Microwave’s tin-dipped surface mount and edge launch meet the need for high-performing, highly reliable solderless connectors prevent rust, corrosion, and oxidization and connectors for precision thin substrate mounting. SV's enable fast and easy soldering while also increasing solder LiteTouch PCB connectors, available in 2.92mm, 2.4mm, and joint durability. Mouser also stocks a wide variety of SV SMA configurations, maintain a solderless connection on PCB Microwave’s RF cable assemblies in both semi-rigid and substrates of less than 0.254mm thickness while keeping the flexible options. board material intact. The high-performance, cost-effective cable solutions are Amphenol SV Microwave solderless PCB edge launch available with SMA, SMP, SMPM, and 2.92mm connectors connectors feature a solderless compression mount for fast that support frequency ranges from DC to 40GHz. and easy installation. The connectors are available in SMA, 2.92mm, 2.4mm, and 1.85mm options and are adjustable for multiple PCB thicknesses with minimal reflections through an Click for More Information impedance-matched PCB launch.

Miniature Buck regulators NEW PRODUCT at mouser.com

Power by Linear™ LTM4626 and LTM4638 µModule® step- down switching mode regulators from Analog Devices are designed to reduce solution size and deliver reliable power circuit performance in applications such as telecom, networking, industrial equipment, medical diagnostic equipment, data storage, and test and debug systems.

Available from Mouser Electronics, the devices provide a 12A or 15A step-down DC/DC regulator solution that incorporates a switching controller, power FETs, inductor plus support components in a 6.25mm² BGA package. The devices’ high switching frequency and current mode Operating over an input voltage range of 3.1V to 20V, both control enable a very fast transient response to line and devices support an output voltage range of 0.6V to 5.5V, load changes without sacrificing stability. Additionally, the set by a single external resistor. regulators include over-voltage, over-current, and over- temperature protection. The LTM4626 and LTM4638 regulators support selectable discontinuous mode operation and output voltage tracking Click for More Information for supply rail sequencing.

www.mouser.com < contents << previous page | next page >> March 2019 21 NEWS MOUSER NEWS FEATURES NEW PRODUCTS

Low-Power Op-Amp has NEW PRODUCT at mouser.com high slew rate

The TLV9052 dual operational amplifier from Texas Instruments features a high slew rate and low quiescent current, suiting it for battery-powered motor-drive applications, as well as large appliances, photodiode amplifiers, sensor signal conditioners, and low-side current sensing.

Available from Mouser Electronics, the low-power, low- voltage op-amp is optimized for operation from 1.8V to 5.5V with a robust output drive capability.

The device features a bandwidth of 5MHz bandwidth and very high slew rate of 15V/µs with only 330µA of supply current per channel, providing excellent AC performance at very low-power consumption. Rail-to-rail input and output swing significantly increase dynamic range, especially in low-supply applications.

The TLV9052 offers a capacitive-load drive of 200pF, and its resistive open-loop output impedance makes stabilization easier with much higher capacitive loads. The unity-gain- stable device includes RFI and EMI filters and exhibits no Click for More Information phase reversal in overdrive conditions.

High-efficiency NEW PRODUCT at mouser.com super-junction MOSFETs

Designed for high efficiency in medium-power resonant and hard-switching converter topologies, MDmesh™ M6 series super-junction transistors from STMicroelectronics (ST) enable increased power density in equipment such as battery chargers, power adapters, PC power supplies, LED drivers, telecom and server power supplies, and solar micro-inverters.

Available from Mouser Electronics, the super-junction MOSFETs deliver high-efficiency performance for increased power density. The series offers gate charges (Qg) as low as 16nC, with an optimized capacitance profile to target high efficiency on new topologies in power conversion applications. ST’s M6 super-junction technology helps reduce RDS(ON) to as little as 0.036Ω, enabling additional efficiency gains.

Offering current ratings from 8A to 72A and a breakdown ST MDmesh M6 series MOSFETs are available in a wide range voltage of 600V, the MOSFETs’ threshold voltage is optimized of packaging options, including a TO-Leadless package that for soft switching, making them suitable for LLC resonant enables efficient thermal management in a 30% smaller converters and boost-PFC converters. footprint compared to other packages.

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22 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS

GaN HEMTs enable efficient NEW PRODUCT at mouser.com high-speed switching

Featuring high efficiency and power density, the CoolGaN™ Gallium Nitride (GaN) HEMTs from Infineon Technologies facilitate high-speed switching in power supplies.

Suitable for both hard- and soft-switching topologies, the CoolGaN HEMTs are ideal for applications such as wireless charging, SMPS, telecommunications, hyperscale data centers, and servers. The HEMTs, available from Mouser Electronics, offer exceptional quality when compared with silicon switching devices. CoolGaN HEMTs offer 10 times lower output charge and gate charge when compared to silicon transistors, as well as ten times higher breakdown field and double the mobility.

Optimized for turn-on and turn-off, the devices feature new Infineon’s new GaN HEMTs are supported by the topologies and current modulation to deliver innovative EVAL_1EDF_G1_HB_GAN and EVAL_2500W_PFC_G switching solutions. The HEMTs’ surface-mount packaging evaluation platforms. ensures that switching capabilities are fully accessible, while the devices’ compact design enables their use in a variety of space-restricted applications. Click for More Information

Front end module for NEW PRODUCT at mouser.com Enterprise Wi-Fi 6 systems

Designed for IoT systems based on Wi-Fi® 6, the 5GHz QPF4528 front end module (FEM) from Qorvo® offers a compact form factor and integrated matching to minimize layout area in applications such as wireless routers, set top boxes, and access points.

Qorvo’s QPF4528 FEM, available from Mouser Electronics, integrates a 5GHz power amplifier, regulator, SPDT switch, low noise amplifier (LNA) with bypass mode, RF coupler and voltage power detector into a single device.

The FEM boosts linear power transmission without increasing power dissipation, enabling higher-performance Wi-Fi 6 (802.11ax) enterprise access points in smaller form factor designs.

The QPF4528 FEM allows up to 8×8 Multi-User-Multiple- The device is also optimized to solve thermal challenges in Input Multiple-Output (MU-MIMO) in both conventional and Wi-Fi equipment designed for MU-MIMO environments. Power over Ethernet systems, offering fewer access points, enhanced capacity and efficiency, improved speed, and reduced operating costs across enterprise systems.

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U2J dielectric NEW PRODUCT at mouser.com automotive-grade MLCCs

KEMET Electronics’ U2J automotive-grade MLCCs are surface mount capacitors that feature an operating temperature of -55 to +125°C. The Electronics Industries Alliance (EIA) characterizes U2J dielectric as a Class I material.

Components with this classification are temperature- compensating and are suited for resonant circuit applications or those where high Q and stability of capacitance characteristics are required.

U2J is an extremely stable dielectric material that exhibits a negligible shift in capacitance with respect to voltage. These new capacitors, available from Mouser, also boast a predictable and linear change in capacitance with reference to ambient temperature with no aging effect. The U2J Kemet’s U2J automotive-grade MLCCs are rated at up to capacitors operate at DC voltage rating up to 100V and 470nF and deliver a 10x increase in capacitance versus C0G retain over 99% of nominal capacitance at full rated voltage. devices. They also feature extremely low ESR and ESL, plus a high ripple current capability. They are RoHS and These capacitors meet the demanding AEC–Q200 REACH-compliant. qualification requirements. Typical applications include pulse circuits, power conversion, wireless charging, and decoupling. Click for More Information

High-speed octal digital NEW PRODUCT at mouser.com input for PLC/automation

Designed to reduce power, system cost, and size for programmable logic controller (PLC) digital-input subsystems, the MAX22195 octal digital input device from Maxim Integrated is a highly integrated IEC 61131-2-compliant IC for industrial, process, and building automation applications.

The Maxim MAX22195, available from Mouser Electronics, translates eight 24V industrial inputs to a serialized CMOS- compatible, parallel outputs with propagation delay of less than 300ns from input-to-output for all channels.

The fault-tolerant, 5mm×5mm device interfaces with 3V or 5.5V logic and incorporates a current-setting resistor, allowing engineers to configure the MAX22195 for IEC 61131-2 Type 1, 2, or 3 inputs. The MAX22195 includes an internal LDO regulator that provides power to digital isolators The device is supported by the MAX22195EVKIT evaluation and other field-side circuits, plus energy-less field-side LED system, which provides terminal blocks for all eight inputs drivers that meet the indicator light requirement of IEC and a single header for all eight outputs for easy monitoring 61131-2 with no additional power dissipation. and evaluation. Eight field-side LEDs indicate input status, and a READY LED indicates that the MAX22195 is operating The MAX22195 also offers surge protection to ±1kV and normally. ±8kV contact ESD and ±15kV air gap ESD protection to Click for More Information contribute to increased system robustness.

24 March 2019 < contents << previous page | next page >> www.mouser.com NEW PRODUCTS FEATURES MOUSER NEWS NEWS

Ceramic wirewound chip NEW PRODUCT at mouser.com inductors deliver highest Q ratings

Delivering industry’s highest Q factors in an 0805 size at frequencies up to 3GHz, 0805HP and 0805HQ series ceramic wirewound power inductors from Coilcraft are available in 32 inductance values ranging from 2.5nH to 820nH, with 2% tolerance available for most values.

Available from Mouser, the inductors provide industry- leading Q factors with excellent current handling and DC resistance ratings down to 15mΩ.

The AEC-Q200-qualified 0805HQ series offers the highest- possible self-resonance, up to 10.3GHz, while the 0805HP series boasts higher Q factors, with self-resonance up to 9.5GHz. Both series feature RoHS-compliance and reflow- heat-resistance up to 260°C.

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Low-power, low cost Wi-Fi NEW PRODUCT at mouser.com transceivers

Providing a cost-effective option for high-volume applications, WF200 Wi-Fi transceivers from Silicon Labs support 2.4GHz 802.11 b/g/n Wi-Fi while delivering the high performance and reliable connectivity necessary for increasing numbers of connected devices in home and commercial networks.

The transceivers help simplify the design of power-sensitive, battery-operated Wi-Fi products including IoT devices, IP security cameras, PoS terminals, and consumer health care devices.

Silicon Labs WF200 transceiver, available from Mouser Electronics, is a Wi-Fi network co-processor optimized for RF performance, low energy, and low cost. With exceptionally The small, 4mm×4mm WF200 transceiver is pre-certified, low transmit and receive power — 148mA and 42mA, helping to minimize development time, effort, and risk. respectively — and a link budget of 113dBm, the device The device is supported by the SLEXP8022 expansion kit, offers an ultra-low-power solution for long-range Wi-Fi which is available with or without a Raspberry Pi single- transmissions. board computer. The kit enables development on Silicon Labs’ microcontrollers and wireless microcontrollers, with The transceiver features with two antenna ports, crystal embedded and Linux host drivers, onboard antennas, and a oscillator, OTP memory, and 13 GPIOs for interfacing with micro u.FL connector for external antennas. multi-protocol and RF front end module controls. For security-sensitive applications, the WF200S version provides Click for More Information secure boot and a secure and encrypted host interface.

www.mouser.com < contents << previous page | next page >> March 2019 25 mouser.com