Three-Phase Sensorless Sinusoidal Fan Driver for Low-Noise Operation

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A4945, A4949

The A4945/A4949 offers quiet and efficient operation of medium-power fans, using sinusoidal drive to minimize audible noise and vibration. These sensorless drivers simplify design and reduce system complexity.

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Three-Phase Sensorless Sinusoidal Fan Driver for Low-Noise Operation

A4945, A4949

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Part Number Specifications and Availability