Part number:
OCH2981
Manufacturer:
Orient Chip
File Size:
194.28 KB
Description:
Two phase hall-effect smart fan motor controller.
Datasheet Details
Part number:
OCH2981
Manufacturer:
Orient Chip
File Size:
194.28 KB
Description:
Two phase hall-effect smart fan motor controller.
OCH2981, Two Phase Hall-Effect Smart Fan Motor Controller
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 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
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