AH285 Datasheet (Diodes Incorporated) - HALL-EFFECT SMART FAN MOTOR CONTROLLER

AH285, HALL-EFFECT SMART FAN MOTOR CONTROLLER

Pin Assignments The AH285 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.

To help protect the mo

AH285 Features

* Applications

* Single-chip solution

* Operating Voltage: 3.8V to 20V

* Built-in Hall sensor and input amplifier

* Tachometer (FG) output

* Rotor Lock Protection (Lock detection, output shutdown and automatic re-start)

* Built-in Zener protection for