ACM6755SQFR

28V / 3.5A three-phase brushless DC motor driver with 180° sine-wave or square-wave drive and sensorless or external Hall sensing

Description

28V / 3.5A three-phase brushless DC motor driver with 180° sine-wave or square-wave drive and sensorless or external Hall sensing

Channels

Three-phase

Operating voltage

4.5‑28V

Phase current capability

3.5A

Commutation

180° Sensorless Sine wave ( Quiet) Sensorless windowed sine Sensorless Square wave 3 Hall Square wave 3 Hall Sine

Speed control

PWM duty cycle / analog voltage / I2C commands / clock speed control

Hall

Sensorless or 3 Hall

Protection

Overcurrent / Locked rotor / Undervoltage / Overvoltage / Overtemperature / Reverse current blocking / Dry-run protection

Other

Brake control: Break or I2C interface Speed control curve with three adjustable slopes; closed-loop speed and voltage control No external current sensing required FG speed indication VCC Voltage / Internal temperature / Phase current I2C Real-time reporting

Package

QFN28

Typical applications

Three-phase fan motors / pump motors Variable load - Robot vacuum drive wheels, Beauty devices

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