A89331 Three-Phase Sensorless Fan Driver

Allegro

Description

A89331 Three-Phase Sensorless Fan Driver .
The A89331 three-phase motor driver incorporates sensorless sinusoidal drive to minimize vibration for high-speed server fans.

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Datasheet Specifications

Part number: A89331
Manufacturer: Allegro
File Size: 1.41 MB
Datasheet: A89331-Allegro.pdf
Description: Three-Phase Sensorless Fan Driver

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

Applications

* High-speed 12 V server cooling fans

A89331 Distributors

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A89331 Three-Phase Sensorless Fan Driver Allegro

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