Patent ID: 8482231

Claim:
A motor driving apparatus with a pulse width modulation (PWM) module including a motor, a motor output unit connected to the motor and a PWM modulation block, and the PWM modulation block comprises: a PWM direction control circuit configured to output a voltage signal; a PWM vector transfer circuit and an input end of the PWM vector transfer circuit is connected to the PWM direction control circuit and configured to convert a PWM control signal to be a vector voltage and the PWM control signal is transmitted to an output end; and a PWM signal generation circuit, an input end of the PWM generation circuit is connected to the PWM direction circuit and outputs a signal generation voltage modulation signal; wherein the signal generation voltage modulation signal is an output current transmitted from a current control circuit and the current is transmitted to a current-to-voltage converter to generate the signal generation voltage modulation signal and the signal generation voltage modulation signal is transmitted to the motor output unit.