OCH2981 Datasheet - Orient Chip

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

OCH2981-OrientChip.pdf

OCH2981 Datasheet Preview — 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.

📁 Related Datasheet

OCH2980 Two Phase Hall-Effect Smart Fan Motor Controller (Orient Chip)

OCH29803 300mA Single Phase Hall-Effect DC Fan Driver (ORIENT-CHIP)

OCH2986 Single Phase Hall-Effect DC Fan Driver (Orient Chip)

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

OCH2988 500mA Single Phase Hall-Effect DC Fan Driver (Orient Chip)

OCH29891 500mA Single Phase DC Fan Driver (ORIENT-CHIP)

OCH211 2-Phase DC Motor Drive IC (Orient Chip)

OCH266 Two Phase Complementary Output Hall-Effect DC Motor Driver (Orient Chip)

TAGS

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

OCH2981 Distributor