Part Number
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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
|
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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