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A5947-B - Three-Phase Sensorless Fan Driver

Product Overview

Allegro

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A5947-B Three-Phase Sensorless Fan Driver by Allegro - Datasheet Preview — Datasheet preview – A5947-B

Datasheet Details

Part number	A5947-B
Manufacturer	Allegro
File Size	1.18 MB
Description	Three-Phase Sensorless Fan Driver
Datasheet	A5947-B Datasheet
Additional preview pages of the A5947-B datasheet.

Product details

Description

The A5947-B three phase motor driver IC incorporates sensorless sinusoidal drive to minimize vibration for a wide variety of fan applications.

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.
3.3 V / 20 mA linear regulator.
PWM or analog speed input.
FG speed output.
Slew rate control.
Lock detection.
Soft start.
Low power standby mode.
Overcurrent protec.

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Other Datasheets by Allegro

A5947G - Three-Phase Sensorless Fan Driver
A5940 - Three Phase Sensorless Sinusoidal Fan Driver
A5941 - Three-Phase Sensorless Fan Driver
A5943 - Three Phase Sinusoidal Fan Driver
A5944 - Three-Phase Sensorless Fan Driver
A5949 - Three Phase Sinusoidal Fan Controller

Published: Dec 30, 2024 |