Power window driving apparatus for use in a vehicle has diode which is provided between a positive side of the power supply and the control circuit to protect the control circuit when the power supply is inversely connected

摘要

A shunt resistance provided between the motor and the ground detects the motor (M1) current (ID) as a voltage value. A diode, which is provided between a positive side of the power supply and the control circuit, protects the control circuit when the power supply is inversely connected.