Here is a look back of Allegro’s A4923, a three-phase sinusoidal motor controller intended to control three-phase brushless DC motors. This device has been available in the market since 2012. The ...
The A4945 and A4949 are three-phase sensorless sinusoidal fan drivers that have integrated sinusoidal drive to reduce audible noise and vibration for medium power fans. These devices are available in ...