Motor-Generator Control System
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Overview
A motor-generator system mainly performs motor control to provide motive power and also controls regeneration by the motor acting as a generator. Advances aimed at lower fuel consumption and reduced CO2 emissions are being made constantly in motor and regeneration control, and they require MCUs with high performance and advanced functions.
Renesas responds to this demand with an extensive lineup of MCUs incorporating high-performance CPUs, timers and ADC functions ideal for motor and regeneration control, and RDCs for a further reduction in system cost. We also supply analog and power devices suitable for motor-generator systems.
System Block Diagram
Motor-Generator Control System

Recommended Products
| MCU/Soc | Recommended Products | ROM [Byte] | RAM [Byte] | Operating Frequency [MHz] | Package [Pin] | Features |
|---|---|---|---|---|---|---|
| Main MCU | V850E2/Px4-E | 1M | 80K | 128 | 144 | LSDC*1, RDC*2, 32 K-Data Flash, PWM output, 12 bit ADC, CAN |
| V850E2/Px4 | 384K-1M | 24K-80K | 80-160 | 144 | LSDC, 32 K-Data Flash, PWM output, 12 bit ADC, CAN | |
| SH72A0/A2 | 256 K- 512 K | 32 K- 64 K | 80-100 | 64-100 | 32 K-Data Flash, PWM output, 12 bit ADC, CAN | |
| SH72AW/AY | 512 K- 768 K | 96 K | 160 | 176 | 32 K-Data Flash, RDC, PWM output,12 bit ADC, CAN, Motor-IP | |
| Analog/Power Device | Recommended Product | Features | ||||
| IGBT transceiver | RJP6xxxxxx(IGBT) RJU6xxxxxx(FRD) | Low Vce (sat) characteristics, high-speed switching characteristics | ||||
| CAN line ESD protection | NNCD-ST Series | Bidirectional ESD protection | ||||
| ESD protection | NNCD-DA Series (200mW) RD-FS Series (1W) | Surge protection | ||||
| Power management IC | μPD168890 | Generation of system and MCU power supplies by DC/DC conversion from battery power supply, WDT function, safety functions | ||||
*1 LSDC: Lock Step Dual Core
*2 RDC: RD Converter
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