A5940 Datasheet - Allegro

A5940 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

A5940-Allegro.pdf

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.

📁 Related Datasheet

A5941 Three-Phase Sensorless Fan Driver (Allegro)

A5943 Three Phase Sinusoidal Fan Driver (Allegro)

A5944 Three-Phase Sensorless Fan Driver (Allegro)

A5947-B Three-Phase Sensorless Fan Driver (Allegro)

A5947G Three-Phase Sensorless Fan Driver (Allegro)

A5949 Three Phase Sinusoidal Fan Controller (Allegro)

A59 Cascadable Amplifier (MA-COM)

A59-1 Cascadable Amplifier (MACOM)

TAGS

A5940 A5940 Three Phase Sensorless Sinusoidal Fan Driver Allegro

A5940 Distributor