![]() ![]() Closed-loop speed control is optional, and RPM-to-clock frequency ratio is programmable.Ī simple I2C interface is provided for setting motor-rated voltage, rated current, rated speed, resistance, and startup profiles. Motor speed is controlled through analog, PWM, or CLOCK input. The device optimizes the motor startup performance in a stationary condition, a windmill condition, and even in a reverse windmill condition. The AMT49406 is ideal for ceiling fans, pedestal fans, bathroom exhaust fans and home appliance fans and pumps.Ī field-oriented control (FOC) algorithm is fully integrated to achieve the best efficiency and acoustic noise performance. ![]() The AMT49406 is a 3-phase, sensorless, brushless DC (BLDC) motor driver (gate driver) which can operate from 5.5 to 50 V-Allegro’s first QuietMotion solution. ![]()
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