A89331 Datasheet - Allegro

A89331, Three-Phase Sensorless Fan Driver

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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A89331-Allegro.pdf

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Datasheet Details

Part number:

A89331

Manufacturer:

Allegro

File Size:

1.41 MB

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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