UC3625 brushless DC motor open loop speed control


Posted on Nov 10, 2015

28 is 45V/8A brushless DC motor driving circuit diagram. It is an open voltage-controlled, adjustable by one pin external potentiometer adjustment of the PWM duty cycle, the av


UC3625 brushless DC motor open loop speed control
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erage voltage supplied to the motor control to adjust the speed. Table figure only shows the way to a three-phase bridge by 16 feet (PUC) and 12 feet (PDC) are driven P-channel and N-channel MOSFET. Rejection two current sensing resistor RT and helmet, so the circuit can operate in four-quadrant mode, the brake can be controlled, and an average current control system.




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