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OCH2981

Two Phase Hall-Effect Smart Fan Motor Controller

OCH2981 Features

* Single-Chip solution

* High sensitivity Hall-effect Sensor

* Operating Voltage: 3.5V to 28V

* Average output current up to 300mA

* Built-in Hall sensor and input amplifier

* Rotor Lock Protection (Lock detection, output shutdown and automatic re-start)

* Built-in revers

OCH2981 General Description

The OCH2981 is a single-chip solution for driving two-coil brushless direct current (BLDC) fans and motors. The device includes a Hall-effect sensor, dynamic offset correction and two complementary open-drain output drivers with internal Zener diode protection. It is optimized for low start-up volta.

OCH2981 Datasheet (194.28 KB)

Preview of OCH2981 PDF

Datasheet Details

Part number:

OCH2981

Manufacturer:

Orient Chip

File Size:

194.28 KB

Description:

Two phase hall-effect smart fan motor controller.

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TAGS

OCH2981 Two Phase Hall-Effect Smart Fan Motor Controller Orient Chip

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