AH2984 Datasheet (Diodes Incorporated) - TWO PHASE HALL-EFFECT SMART FAN MOTOR CONTROLLER

AH2984, TWO PHASE HALL-EFFECT SMART FAN MOTOR CONTROLLER

The AH2984 is a single-chip solution for driving two-coil brushless direct current (BLDC) fans and motors.

The device includes a Halleffect sensor, dynamic offset correction and two complementary open-drain output drivers with internal Zener diode protection.

It is optimized for low start-up voltage

AH2984 Features

* Single-chip solution

* Operating Voltage: 2.5V to 15V

* Built-in Hall sensor and input amplifier

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

* Built-in reverse voltage protection diode

* Built-in Zener protection