NEW PRODUCT
AH2985
TWO PHASE HALL-EFFECT SMART FAN MOTOR CONTROLLER
Description
The AH2985 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.
To help protect the motor coils, the AH2985 provides Rotor Lock Protection which shuts down output drives if rotor lock is detected.
The device automatically re-starts when the rotor lock is removed.
Over temperature shutdown provides thermal protection for the device.
Pin Assignments
(Top View)
AH2985
The AH2985...