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AH291 Datasheet

Low Voltage Hall-effect Smart Fan Motor Controller

Manufacturer: Diodes Incorporated

AH291 Overview

AH291 is a monolithic fan motor controller with Hall sensor’s capability. It contains two plementary open-collector drivers for motor’s coil driving, automatic lock shutdown and restart function relatively. Rotor-lock shutdown detection circuit turns off the output driver when the rotor is blocked to avoid coil overheat.

AH291 Key Features

  • On Chip Hall Sensor Rotor-Locked Shutdown Automatically Restart Built-in Zener Protection for Output Driver Operating Vo

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