A5940
Overview
The A5940 three phase motor driver incorporates sinusoidal drive to minimize audible noise and vibration for medium power fans. A sinusoidal voltage profile is applied to the windings of the motor at startup to quietly startup and gradually ramp up the motor to desired speed.
- AEC-Q100 qualified (K version)
- Sinusoidal drive for low audible noise
- Minimum speed function
- Quiet startup adjustment feature
- High efficiency control algorithm
- Sensorless operation
- PWM speed input
- FG speed output
- Lock detection
- Short circuit protection (OCP)
