The electronic control unit and a vehicle steering control apparatus provided therewith has a power supply voltage monitoring function
2011
Vehicle steering control apparatus includes a power supply unit 101 supplies power to the microcontroller 102, an inverter 104 supplies power to drive the motor 5, a gate driver 103 for controlling the inverter 104, the inverter 104 and the motor 5 between a motor relay 105 to open and close the energizing path, and the motor relay driver 106 for controlling the motor relays 105, and a monitoring control unit a 108a to monitor the supply voltage of the power supply unit 101, a monitoring control unit B 108b , in the configuration, by providing a plurality of monitoring control unit, even if trouble occurs in one of the monitoring control unit, when the supply voltage is outside the normal operating range, stopping immediately the motor 5 reliably can.
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