OCH2981 controller equivalent, two phase hall-effect smart fan motor controller.
* Single-Chip solution
* High sensitivity Hall-effect Sensor
* Operating Voltage: 3.5V to 28V
* Average output current up to 300mA
* Built-in Hall sen.
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 .
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