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AH9485 - SINGLE PHASE LOW NOISE SMART MOTOR DRIVER

General Description

The AH9485 and AH9486 are single chip solutions for driving a single phase (coil) brushless DC motors.

It integrates the motor driver and the high sensitivity Hall effect sensor to simplify the system circuit and PCB design for simpler solutions.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NEW PRODUCT THE AH9485/86 IS NOT RECOMMENDED FOR NEW DESIGNS. PLEASE CONTACT US. AH9485/86 SINGLE PHASE LOW NOISE SMART MOTOR DRIVER Description Pin Assignments The AH9485 and AH9486 are single chip solutions for driving a single phase (coil) brushless DC motors. It integrates the motor driver and the high sensitivity Hall effect sensor to simplify the system circuit and PCB design for simpler solutions. Rotor lock-detect, shutdown and auto-restart functions help to prevent the motor from over-heating when rotor is locked and restarts the motor after the lock is removed. The AH9485 and AH9486 have built-in open drain tachometer frequency generator (FG) and rotation detection (RD) outputs to allow external interface to monitor motor rotation, speed or rotor locks conditions easily.