Part number:
A5940
Manufacturer:
Allegro
File Size:
0.98 MB
Description:
Three phase sensorless sinusoidal fan driver.
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.
The voltage profile is
A5940 Features
* 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
Datasheet Details
A5940
Allegro
0.98 MB
Three phase sensorless sinusoidal fan driver.
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