A89331

Three-Phase Sensorless Fan Driver

Allegro

Image	Manufacturer	B2B MPN	Description	Distributor	Stock	Quantity	Price	Buy Now
	Allegro MicroSystems LLC	A89331GETSR	BLDC SENSORLESS SINUSOIDAL DRIVE	DigiKey	0	0	$0	🛒 Buy Now

A89331 Datasheet (1.41 MB)

A89331 Datasheet Preview — Preview of A89331 PDF Datasheet

Datasheet Details

Part number:

A89331

Manufacturer:

Allegro

File Size:

1.41 MB

Description:

Three-phase sensorless fan driver

A89331 Features

* Closed-loop speed control

* Overvoltage protection

* Power loss brake

* Fault mode brake

* Configurable RD or FG output

* Speed curve configuration via EEPROM

* I2C serial port

* Sinusoidal modulation for reduced audible noise and low

A89331 General Description

The A89331 three-phase motor driver 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 .

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A89331 Three-Phase Sensorless Fan Driver Allegro

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