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AH287 - High Voltage Hall-Effect Smart Fan Motor Controller

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.

Key Features

  • s - 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.

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Datasheet Details

Part number AH287
Manufacturer Anachip
File Size 169.59 KB
Description High Voltage Hall-Effect Smart Fan Motor Controller
Datasheet download datasheet AH287 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 function repeats while rotor is blocked.