A89304 - Sensorless BLDC Fan Driver

Allegro

The A89304 by Allegro is a Sensorless BLDC Fan Driver. Below is the official datasheet preview.

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A89304 Sensorless BLDC Fan Driver by Allegro - Datasheet Preview — Official preview page of the **A89304** Sensorless BLDC Fan Driver datasheet (Allegro).

Datasheet Details

Part number	A89304
Manufacturer	Allegro
File Size	1.00 MB
Description	Sensorless BLDC Fan Driver
Datasheet	A89304-Allegro.pdf
Additional preview pages of the A89304 datasheet.

A89304 Product details

Description

The A89304 is a single-chip solution to address a wide range of cooling fan systems, including ADAS GPU/CPU cooling, infotainment, and HUD, as well as auxiliary cooling fans and pumps.

Features

AEC-Q100 qualified.
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) power MOSFETs.
PWM or analog speed input.
FG speed output.
Slew rate control.
Lock detection.
Soft start.
Low power standby mode.
Overcurrent protection.
Overvoltage protection PA.

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Published: Jan 8, 2025 |