OCH2987 350mA Single Phase Hall-Effect DC Fan Driver

Orient Chip

Description

OCS Confidential DO NOT COPY OCH2987 350mA Single Phase Hall-Effect DC Fan Driver * General .
The OCH2987 is an integrated Hall sensor with H-Bridged output driver designed for brushless DC motor applications.

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Datasheet Specifications

Part number: OCH2987
Manufacturer: Orient Chip
File Size: 816.13 KB
Datasheet: OCH2987-OrientChip.pdf
Description: 350mA Single Phase Hall-Effect DC Fan Driver

Features

* One-chip Solution (Hall Element + Driver)
* Input Voltage Range : 3V to 24V
* Low Output Switching Current Noise
* Built-in VCC To GND reverse voltage protection
* Rotor Lock Protection (Lock detection, output shutdown and automatic re-start)
* High Sensitivity Hall Sensor

Applications

* The device is using HV process includes an on-chip Hall sensor for magnetic sensing, an amplifier that amplifies the Hall voltage, a comparator to provide switching hysteresis for noise rejection, a bi-directional drivers for sinking and driving large current load. Placing the device in a variable

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OCH2987 350mA Single Phase Hall-Effect Fan Driver Orient Chip

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