Patent ID: 8823299
Filing Date: 2014-09-02
Classification: H02P

Abstract:
1. A power supply module for a hall sensorless BLDC motor, comprising: a high-voltage/large-current power device applied with high voltage/large current and including a plurality of power devices driving the hall sensorless brushless direct current (BLDC) motor; a motor driving circuit sensing and controlling a positional signal or a velocity signal of the hall sensorless BLDC motor and generating a PWM control signal for controlling the hall sensorless BLDC motor; and a power device driving circuit driving the high-voltage/large-current power device according to the PWM control signal of the motor driving circuit, wherein the high-voltage/large-current power device, the power device driving circuit, and the motor driving circuit are CMOS-integrated on the same substrate, and wherein the power device driving circuit includes: