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MSCSICMDD/REF1 Application Note 1824 Dual Sic MOSFET Driver Reference Design 10/2016

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MSCSICMDD/REF1 Application Note 1824 Dual Sic MOSFET Driver Reference Design 10/2016 MSCSICMDD/REF1 Application Note 1824 Dual SiC MOSFET Driver Reference Design 10/2016 Dual SiC MOSFET Driver Reference Design Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction with mission-critical equipment or applications. Any performance specifications are believed to be reliable but are not verified, and Buyer must conduct and complete all performance and other testing of the products, alone and together with, or installed in, any end-products. Buyer shall not rely on any data and performance specifications or parameters provided by Microsemi. It is the Buyer’s Microsemi Corporate Headquarters responsibility to independently determine suitability of any products and to test and verify the same. The information One Enterprise, Aliso Viejo, provided by Microsemi hereunder is provided “as is, where is” and with all faults, and the entire risk associated with such CA 92656 USA information is entirely with the Buyer. Microsemi does not grant, explicitly or implicitly, to any party any patent rights, Within the USA: +1 (800) 713-4113 licenses, or any other IP rights, whether with regard to such information itself or anything described by such information. Outside the USA: +1 (949) 380-6100 Information provided in this document is proprietary to Microsemi, and Microsemi reserves the right to make any Fax: +1 (949) 215-4996 changes to the information in this document or to any products and services at any time without notice. Email: [email protected] www.microsemi.com About Microsemi Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for ©2016 Microsemi Corporation. All rights aerospace & defense, communications, data center and industrial markets. Products include high-performance and reserved. Microsemi and the Microsemi radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing logo are registered trademarks of and synchronization devices and precise time solutions, setting the world's standard for time; voice processing devices; RF Microsemi Corporation. All other solutions; discrete components; enterprise storage and communication solutions; security technologies and scalable anti- trademarks and service marks are the tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and property of their respective owners. services. Microsemi is headquartered in Aliso Viejo, California, and has approximately 4,800 employees globally. Learn more at www.microsemi.com. 1824-22/06. 12 MSCSICMDD/REF1 Application Note Revision 1.0 2 Dual SiC MOSFET Driver Reference Design 1 Revision History The revision history describes the changes that were implemented in the document. The changes are listed by revision, starting with the most current publication. 1.1 Revision 1.0 Revision 1.0 was the first publication of this document. MSCSICMDD/REF1 Application Note Revision 1.0 3 Dual SiC MOSFET Driver Reference Design Contents 1 Revision History ........................................................................................................................ 3 1.1 Revision 1.0 ................................................................................................................................................ 3 2 Overview .................................................................................................................................. 7 3 Reference Design Description .................................................................................................. 9 4 Firmware ................................................................................................................................ 11 5 Alternate Design Options ....................................................................................................... 13 6 IO and Settings ....................................................................................................................... 14 6.1 LEDs and Gate Voltage Adjustments ........................................................................................................ 14 6.2 Gate Resistor Placement .......................................................................................................................... 15 7 Electrical Characteristics ........................................................................................................ 17 7.1 Desaturation Protection........................................................................................................................... 17 8 Board Mounting ..................................................................................................................... 19 9 Quick Start .............................................................................................................................. 20 10 Bill of Materials ...................................................................................................................... 22 11 Schematics ............................................................................................................................. 26 MSCSICMDD/REF1 Application Note Revision 1.0 4 Dual SiC MOSFET Driver Reference Design Figures Figure 1 Block Diagram with Half Bridge ..................................................................................................................... 7 Figure 2 Connectors ................................................................................................................................................... 14 Figure 3 LEDs and Test Points .................................................................................................................................... 15 Figure 4 Gate Resistor Placement .............................................................................................................................. 16 Figure 5 ADuM4135 Block Diagram ........................................................................................................................... 18 Figure 6 ADuM4135 Specification (Figure 15) ........................................................................................................... 18 Figure 7 Low-Voltage Area ......................................................................................................................................... 26 Figure 8 High-Voltage Plane Top ................................................................................................................................ 27 Figure 9 High-Voltage Plane Bottom.......................................................................................................................... 28 MSCSICMDD/REF1 Application Note Revision 1.0 5 Dual SiC MOSFET Driver Reference Design Tables Table 1 Configuration Switch Settings ....................................................................................................................... 11 Table 2 Common Switch Settings .............................................................................................................................. 12 Table 3 J7 Control Connector Pinout ......................................................................................................................... 14 Table 4 J8 Alternate Power Connector Pinout ........................................................................................................... 14 Table 5 LED Description ............................................................................................................................................. 15 Table 6 Rev A Artwork Gate Resistors ....................................................................................................................... 16 Table 7 Rev B Artwork Gate Resistors........................................................................................................................ 16 Table 8 Electrical Limits ............................................................................................................................................. 17 Table 9 Status Output ................................................................................................................................................ 17 Table 10 Reset Input .................................................................................................................................................. 17 Table 11 Digital RS422 Inputs .................................................................................................................................... 17 Table 12 Recommended Initial Gate Resistors .......................................................................................................... 21 Table 13 Bill of Materials ........................................................................................................................................... 22 MSCSICMDD/REF1 Application Note Revision 1.0 6 Dual SiC MOSFET Driver Reference Design 2 Overview This reference design provides an example of a highly isolated SiC MOSFET dual-gate driver. It can be configured by switches to drive as a
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