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AH287

Anachip
Part Number AH287
Manufacturer Anachip
Description High Voltage Hall-Effect Smart Fan Motor Controller
Published May 10, 2007
Detailed Description AH287 High Voltage Hall-Effect Smart Fan Motor Controller „ Features - On chip Hall sensor - Rotor-locked shutdown - Aut...
Datasheet PDF File AH287 PDF File

AH287
AH287

Overview
AH287 High Voltage Hall-Effect Smart Fan Motor Controller „ Features - On chip Hall sensor - Rotor-locked shutdown - Automatically restart - Built-in Zener protection for output driver - Operating voltage: 3.
8V~28V - Output current: IO(AVE) = 400mA - Package: SIP-4L, SOT89-5L „ General Description AH287 is a monolithic fan motor controller with Hall sensor’s capability.
It contains two complementary open-drain drivers for motor’s coil driving, automatic lock shutdown and restart function relatively.
To avoid coil burning, rotor-lock shutdown detection circuit shut down the output driver if the rotor is blocked and then the automatic recovery circuit will try to restart the motor.
This funct...


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