OCH2981
Overview
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.
- 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 reverse
