Power supply module for hall sensorless brushless direct current motor
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United States of America Patent
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Sep 2, 2014
Grant Date -
Jun 7, 2012
app pub date -
Nov 1, 2011
filing date -
Dec 7, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a power supply module for a hall sensorless BLDC motor, including: a high-voltage/large-current power device t 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.
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