A5940 Datasheet - Allegro

Three Phase Sensorless Sinusoidal Fan Driver

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

A5940 General Description

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 Datasheet (0.98 MB)

A5940 Datasheet Preview — Preview of A5940 PDF

Datasheet Details

Part number:

A5940

Manufacturer:

Allegro

File Size:

0.98 MB

Description:

Three phase sensorless sinusoidal fan driver.

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A5940 Three Phase Sensorless Sinusoidal Fan Driver Allegro

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A5940 Features

A5940 General Description

Datasheet Details

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A5940 Distributor