Renesas Electronics Corporation
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High-Power 10.5kW Motor Control

Overview

This design demonstrates a complete high-power synchronous/BLDC motor control system, supporting up to 10.5kW of power from 3-phase Y-connected power mains. It features a high-performance Arm® Cortex®-M33 MCU that manages motor control and power factor correction (PFC) regulation within an isolated environment. The system uses optocoupled IGBT drivers and can support high-voltage IGBT half bridges. The MCU is controlled via an isolated RS-485 connection to an external control unit, with an option for a CAN interface.

System Benefits:

  • Complete system with single-line control, scalable to eAI features for predictive maintenance.
  • Efficient motor and power supply PFC controls managed by a single MCU.
  • Flexible control unit connection options via RS-485 or CAN interface.

Block Diagram

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4:3 ratioSheet.1Sheet.2Sheet.3Sheet.4EU188EU188EU1883-Ph Mains3-Ph Mains3-Ph MainsIsolated Amplifier-1Isolated AmplifierIsolated AmplifierIGBT Driver-1IGBT DriverIGBT DriverRS-485 TRXRS-485 TRXRS-485 TRXHot Side PowerHot Side Power3-Ph PSU+PFC3-Ph PSU+PFC3-PhPSU+PFCConnector ArrowGroundSheet.43Sheet.44ResistorResistor.46Resistor.47Resistor.48Sheet.70Sheet.71Sheet.72Sheet.73Sheet.75Sheet.77Sheet.78Connector 1.158Sheet.80Sheet.81Sheet.82Sheet.83Sheet.84Sheet.85Sheet.86Connector 1.158.87Sheet.88Connector 1.89Sheet.90Sheet.97Sheet.94Sheet.95Sheet.96Sheet.98Sheet.99Sheet.100Sheet.101Gate DriverGate DriveGate DriveVOUT MonitorVOUT_MonitorVOUT_MonitorISENSE MonitorISENSE_MonitorISENSE_MonitorVAC/IN MonitorVAC_IN_MonitorVAC_IN_Monitor 2222Sheet.108 8888Sheet.113GNDGNDGNDVCCVCCVCCSheet.116Connector 1.158.117IsolationIsolationIsolationSheet.120Sheet.121Sheet.122Sheet.123Sheet.124Sheet.125Sheet.126Sheet.127Sheet.128Sheet.129Connector 1.158.131Connector 1.158.132Connector 1.158.133Connector 1.158.134Connector 1.158.135Connector 1.158.136Sheet.138Sheet.139Sheet.140Sheet.142Sheet.143Sheet.144Sheet.145Connector 1.158.146Connector 1.158.147Ground.148Sheet.149Sheet.1509V9V9V IsolationIsolationIsolation560V DC560V DC560V DC9V/800mA9V/800mA9V/800mA5V/8W5V/8W5V/8WIsolated Amplifier-2Isolated Amplifier x4Isolated Amplifier x4Sheet.155Sheet.160Sheet.63Sheet.64Sheet.65Sheet.66Sheet.67Sheet.68Sheet.161Sheet.162Sheet.163Sheet.164Sheet.165Sheet.166Sheet.167IGBT Driver-2IGBT Driver x6IGBT Driver x6Sheet.118IGBTIGBT x6IGBT x6MotorSheet.169Sheet.170MMFlybackFlybackFlybackAC/DC BuckAC/DC BuckAC/DC BuckMCUMCUMCUMCUPWMPWMPWMADCADCADCSCISCISCI PWMPWMPWM ADCADCADCConnector Line Isolation .174IsolationIsolationSheet.175 Isolation .176IsolationIsolationConnector double arrow

Flyback

Flyback & Forward Controllers

AC/DC Buck

Non-Isolated AC/DC Buck Converters
Non-Isolated AC/DC Buck Converters

Isolated Amplifier

Photocouplers/Optocouplers IC Output

IGBT Driver

Photocouplers/Optocouplers Motor Drive

RS-485 TRX

RS-485/422 with Enhanced ESD Protection

MCU

RA Arm Cortex-M MCUs
RA Arm Cortex-M MCUs

IGBT Driver

Photocouplers/Optocouplers Motor Drive

Isolated Amplifier

Photocouplers/Optocouplers IC Output

News & Blog Posts

Blog Post
Dec 18, 2024
Revolutionizing Motor-Based Systems with AI-Powered Control

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