Power/Motor Control Circuits

In Brief . . . With the expansion of electronics into more and more Page mechanical systems, there comes an increasing demand for Power Controllers...... 4.3–2 simple but intelligent circuits that can blend these two Zero Switch...... 4.3–2 technologies. In the past, the task of power/motor control Zero Voltage Controller...... 4.3–3 was once accomplished with discrete devices. But today this High–Side Driver Switch...... 4.3–4 task is being performed by bipolar IC technology due to cost, Motor Controllers...... 4.3–4 size, and reliability constraints. Motorola offers integrated Brushless DC Motor Controllers...... 4.3–4 circuits designed to anticipate the requirements for both Closed Loop Brushless Motor Adapter...... 4.3–7 simple and sophisticated control systems, while providing DC Servo /Driver...... 4.3–8 cost effective solutions to meet the needs of the applications. Driver...... 4.3–9 Speed Controller...... 4.3–10 Package Overview...... 4.3–11

Motorola Master Selection Guide4.3–1 Analog and Interface Integrated Circuits Power Controllers

An assortment of battery and ac line–operated control ICs for specific applications are shown. They are designed to enhance system performance and reduce complexity in a wide variety of control applications. Zero Voltage Switch CA3059 TA = –40° to +85°C, Case 646

This device is designed for control in a variety of • Triac Drive – Supplies high current pulses to the external ac power switching applications for ac input of power controlling thyristor. 24 V, 120 V, 208/230 V, and 227 V @ 50/60 Hz. • Protection Circuit – A built–in circuit may be actuated, if • Limiter–Power Supply – Allows operation directly from the sensor opens or shorts, to remove the drive circuit an ac line. from the external . • Differential “On”/“Off” Sensing Amplifier – Tests for • Inhibit Capability – Thyristor firing may be inhibited by condition of external sensors or input command signals. the action of an internal diode gate. Proportional control capability or hysteresis may be • High Power DC Comparator Operation – Operation in implemented. this mode is accomplished by connecting Pin 7 to 12 • Zero–Crossing Detector – Synchronizes the output (thus overriding the action of the zero–crossing detector). pulses to the zero voltage point of the ac cycle. Eliminates RFI when used with resistive loads.

VCC

RS Power Limiter Supply RL Current Boost Zero Crossing Detector AC Input DC Mode or Voltage 400 Hz Input Protection Triac RP Circuit Drive Gate

“On”/“Off” Sensing Amp * VCC

Gnd Inhibit External Trigger *NTC Sensor

Analog and Interface Integrated Circuits 4.3–2 Motorola Master Selection Guide Power Controllers (continued) Zero Voltage Controller UAA1016B TA = –20° to +100°C, Case 626 220 VAC The UAA1016B is designed to drive Temp with the Zero voltage technique Set R Fail– which allows RFI free power regulation of R1 2 Safe Pulse Amplifier resistive loads. It provides the following Sampling 3 6 features: 4 Full Wave Vref Logic • Proportional Temperature Control Over Comparator 7 an Adjustable Band R4 UAA1016B • 1 Adjustable Burst Frequency (to Comply Power with Standards) Supply Load • No DC Current Component Through the (NTC) Main Line (to Comply with Standards) Temp Sawtooth Generator Sensor • Negative Output Current Pulses (Triac 28 5 Quadrants 2 and 3) R R –V 3 CPin2 Sync CC • Direct AC Line Operation • Low External Components Count 220 VAC

Zero Voltage Controller UAA2016P, D TA = –20° to +85°C, Case 626, 751 The UAA2016 is designed to drive triacs with the Zero Voltage technique which Failsafe UAA2016 allows RFI free power regulation of resistive loads. Operating directly on the ac 3 Sampling 6 power line, its main application is the Sense Input + Pulse Full Wave Amplifier Output precision regulation of electrical heating – Logic systems such as panel heaters or irons. A built–in digital sawtooth waveform 4 Internal 7 Temperature + + 1/2 Reference +VCC permits proportional temperature regulation Reduction + action over a ±1°C band around the set point. For energy savings there is a programmable temperature reduction function, and for 4–Bit DAC Synchronization 2 security, a sensor failsafe inhibits output Hysteresis pulses when the sensor connection is Adjust Supply Voltage broken. Preset temperature (i.e., defrost) 11–Bit Counter 1 application is also possible. In applications Voltage where high hysteresis is needed, its value Reference can be adjusted up to 5°C around the set 8 5 point. All these features are implemented Sync VEE with a very low external component count. • Zero Voltage Switch for Triacs, up to 2.0 kW (MAC212A8) • Direct AC Line Operation • Proportional Regulation of Temperature over a 1°C Band • Programmable Temperature Reduction • Preset Temperature (i.e., Defrost) • Sensor Failsafe • Adjustable Hysteresis • Low External Component Count

Motorola Master Selection Guide4.3–3 Analog and Interface Integrated Circuits Power Controllers (continued)

High–Side Driver Switch MC3399T, DW TJ = –40° to +150°C, Case 314D, 751G

The MC3399T is a high side driver Ignition Output switch that is designed to drive loads from the positive side of the power supply. The IL output is controlled by a TTL compatible 35 V Ω RL 50 Enable pin. In the “on” state, the device Transient Thermal exhibits very low saturation voltages for Generator Sense load currents in excess of 750 mA. The 12 V Current device also protects the load from positive Limit or negative–going high voltage transients Input Control by becoming an open circuit and isolating Circuit 35 V the transient for its duration from the load. The MC3399T is fabricated on a Power BiMOS process which combines the best Gnd features of Bipolar and MOS technologies. The mixed technology provides higher gain PNP output devices and results in Power Integrated Circuits with reduced quiescent current.

Motor Controllers

This section contains integrated circuits designed for cost effective control of specific motor families. Included are controllers for brushless, dc servo, stepper, and universal type motors. Brushless DC Motor Controllers Advances in magnetic materials technology and integrated controllers. These ICs provide a choice of control functions circuits have contributed to the unprecedented rise in which allow many system features to be easily implemented popularity of brushless dc motors. Analog control ICs are at a fraction of the cost of discrete solutions. The following making the many features and advantages of brushless table summarizes and compares the features of Motorola’s motors available at a much more economical price. Motorola brushless motor controllers. offers a family of monolithic integrated brushless

Table 1. Features Summary for Motorola Brushless DC Motor Controllers

Operating Voltage Range Output (V) Drivers e se s ence e Input(s) rmal r r r g g n e v C

e SSuffix/ ffi / Package

V V Totem Pole (Bottom) Open Collector (Top)

Device Error Amplifier Separate Drive V Brake Input

Di Undervolta Lockout Internal The Shutdown Fwd/Rev Control Sensor Electrical Phasing 6.25 V Refer Output Current Sen Comparator FAULT Output CC C Output Enable Noninv. P/738, MC33033 10–30 – – – – 60°/300° Only DW/751D andand ° ° Noninv. P/724, MC33035 10–40 10–30 120 /240 and Inv. DW/751E

Analog and Interface Integrated Circuits 4.3–4 Motorola Master Selection Guide Motor Controllers (continued)

MC33033P, DW TA = –40° to +85°C, Case 738, 751D

The MC33033 is a lower cost second generation brushless Because of its low cost, the MC33033 can efficiently be dc motor controller which has evolved from the full featured used to control dc motors as well as brushless. A brush MC33035 controller. The MC33033 contains all of the active dc motor can be driven using two of the three drive output functions needed to implement a low cost open loop motor phases provided in the MC33033, while the Hall sensor input control system. This IC has all of the key control and protection pins are selectively tied to Vref or ground. Other features such functions of the two full featured devices with the following as forward/reverse, output enable, speed control, current secondary features deleted: separate drive–circuit supply and limiting, undervoltage lockout and internal thermal shutdown ground pins, the brake input, and the fault output signal. Like will still remain functional. its MC33035 predecessor, the MC33033 has a control pin which allows the user to select 60°/300° or 120°/240° sensor electrical phasings.

VM N

SS

N Pos Dec

Fwd/Rev

60°/120° Motor

Enable

VCC

UVLO Output Buffers Ref

Speed Set EA Thermal Faster PWM R Q S RT

Osc R CT Q S

ILimit

Motorola Master Selection Guide4.3–5 Analog and Interface Integrated Circuits Motor Controllers (continued)

MC33035P, DW TA = –40° to +85°C, Case 724, 751E

The MC33035 is a second generation high performance or 120°/240° sensor electrical phasings, and access to both brushless dc motor controller which contains all of the active inverting and noninverting inputs of the current sense functions required to implement a full featured open loop comparator. The earlier devices had two part numbers which motor control system. While being pin–compatible with an were needed to support the different sensor phasings, and the earlier device, the MC33035 offers additional features at a inverting input to the current sense comparator was internally lower price. The two additional features provided by the grounded. All of the control and protection features of the MC33035 are a pin which allows the user to select 60°/300° earlier device are also provided in the MC33035.

Fault VM N

SS

N

Pos Dec Fwd/Rev

60°/120° Motor

Enable UVLO VCC VIN

VC Output Buffers Ref

Speed Set EA Thermal

Faster PWM R Q RT S

Osc R CT Q S

ILimit

Brake

Analog and Interface Integrated Circuits 4.3–6 Motorola Master Selection Guide Motor Controllers (continued)

Closed Loop Brushless Motor Adapter MC33039P, D TA = –40° to +85°C, Case 626, 751

The MC33039 is a high performance close loop speed detectors, a programmable monostable, and an internal shunt control adapter specifically designed for use in brushless dc regulator. Also included is an inverter output for use in systems motor control systems. Implementation will allow precise that require conversion of sensor phasing. Although this speed regulation without the need for a magnetic or optical device is primarily intended for use with the MC33033/35 tachometer. These devices contain three input buffers each brushless motor controllers, it can be used cost effectively in with hysteresis for noise immunity, three digital edge many other closed loop speed control applications.

VCC

Φ A

RT

8.25 V CT R 20 k Φ A fout R Delay 2 15 k To Position Φ B Sensors S Q Delay R Φ C Delay 0.3 V

Gnd

Motorola Master Selection Guide4.3–7 Analog and Interface Integrated Circuits Motor Controllers (continued)

DC Servo Motor Controller/Driver MC33030P, DW TA = –40° to +85°C, Case 648C, 751G

A monolithic dc servo motor controller providing all active 1.0 A, independently programmable over current monitor and functions necessary for a complete closed loop system. This shutdown delay, and over voltage monitor. This part is ideally device consists of an on–chip op amp and window comparator suited for almost any servo positioning application that with wide input common mode range, drive and brake logic requires sensing of temperature, pressure, light, magnetic with direction memory, a power H switch driver capable of flux, or any other means that can be converted to a voltage.

Motor

VCC VCC Feedback Position Error Amp

Power Overvoltage H Monitor Switch

Drive Brake Logic Window Detector

VCC Direction Programmable Memory Overcurrent Reference Detector Position & Latch

CDLY ROC

Analog and Interface Integrated Circuits 4.3–8 Motorola Master Selection Guide Motor Controllers (continued)

Stepper Motor Driver MC3479P, FN TA = 0° to +70°C, Case 648C, 775

SAA1042V TA = –30° to +125°C, Case 648C

These Stepper Motor Drivers provide up to 500 mA of drive clockwise and half or full step operation. The MC3479 has an per coil for two phase 6.0 V to 24 V stepper motors. Control added Output Impedance Control (OIC) and a Phase A drive logic is provided to accept commands for clockwise, counter state indicator (not available on SAA1042 devices).

VM

L1

CLK Clock Driver

L2

CW/CCW CW/CCW Logic VD

L3

Full/Half F/H Step Step Driver

L4

OIC* OIC

Phase A* Bias/Set Gnd

* MC3479 Only

Motorola Master Selection Guide4.3–9 Analog and Interface Integrated Circuits Motor Controllers (continued)

Universal Motor Speed Controller TDA1085C, CD TA = –10° to +120°C, Case 648, 751B

The TDA1085C is a phase angle triac controller having all • Soft Start the necessary functions for universal motor speed control in • Load Current Limitation washing machines. It operates in closed loop configuration and provides two ramp possibilities. • Tachogenerator Circuit Sensing • On-Chip Frequency to Voltage Converter • Direct Supply from AC Line • On-Chip Ramps Generator • Security Functions Peformed by Monitor

+ VCC 9 Shunt Regulator 10 Voltage Monitoring Ballast Resistor 8 Reg

Reset

Trigger Pulse Gen Ramp Generator Speed Detector Control Amp

0.7 V =

Current –VCC 12 11 45 6Limiter 3 7 16 14 15 2 1 13 Set Speed Actual Speed Ramp Current Generator Control Motor Current Limit Sawtooth Capacitor Digital Speed Sense Trigger Pulse Output Trigger Closed Loop Stability Sawtooth Set Current F/VC Pump Capacitor Ramp Generator Timing Ramp Generator Current Synchronization Voltage Synchronization Voltage

Analog and Interface Integrated Circuits 4.3–10 Motorola Master Selection Guide Power/Motor Control Circuits Package Overview

CASE 314D CASE 626 CASE 646 CASE 648, 648C T SUFFIX B, P SUFFIX P, V SUFFIX

CASE 724 CASE 738 CASE 751 CASE 751B P SUFFIX P SUFFIX D SUFFIX D SUFFIX

CASE 751D CASE 751E CASE 751G CASE 775 DW SUFFIX DW SUFFIX DW SUFFIX FN SUFFIX

Motorola Master Selection Guide4.3–11 Analog and Interface Integrated Circuits