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A5931 Datasheet - Allegro

A5931 - Three-Phase Sensorless Fan Driver

TheA5931 three-phase motor driver IC incorporates sensorless sinusoidal drive to minimize vibration for high speed server fans.

Sensorless control eliminates the requirement for Hall sensors for server fan applications.

A flexible closed-loop speed control system is integrated into the IC.

EEPROM is

A5931 Features

* AEC-Q100 qualified (K version)

* Closed-loop speed control

* Speed curve configuration via EEPROM

* I2C serial port

* Sinusoidal modulation for reduced audible noise and low vibration

* Sensorless (no Hall sensors required)

* Low RDS(ON) powe

A5931-Allegro.pdf

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Datasheet Details

Part number:

A5931

Manufacturer:

Allegro

File Size:

1.51 MB

Description:

Three-phase sensorless fan driver.

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