Description

AH293 is a monolithic fan motor controller with Hall sensor’s capability. It contains two complementary open-collector transistors for Motor’s coil driving, automatic lock current shutdown, and recovery protections. Also, rotor-state detection (RD) output is for speed detection.

Features

• On Chip Hall Sensor

• Rotor-Locked Shutdown

• Automatically Restart

• Rotor-State Detection (RD) Output

• Built-in Zener Protection for Output Driver

• Operating Voltage: 1.8V~5.75 V

• Output Current: IO(AVE) = 400 mA

• Packaged in SOT89-5L

• Green Molding Compound

Applications

• Two-coil BLDC cooling fans

• Low to medium voltage, low power BLDC motors