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A5949 - Three Phase Sinusoidal Fan Controller

General Description

AEC-Q100 qualified K version Sinusoidal Drive For Low Audible Noise Quiet StartUp

The A5939/A5949 three phase motor controller incorporates sinusoidal drive to minimize audible noise and vibration for high power fans.

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Full PDF Text Transcription for A5949 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for A5949. For precise diagrams, and layout, please refer to the original PDF.

A5949/A5939 Three Phase Sinusoidal Fan Controller FEATURES AND BENEFITS DESCRIPTION  AEC-Q100 qualified – K version  Sinusoidal Drive For Low Audible Noise  Quiet Star...

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fied – K version  Sinusoidal Drive For Low Audible Noise  Quiet StartUp  Proprietary High Efficiency Control Algorithm The A5939/A5949 three phase motor controller incorporates sinusoidal drive to minimize audible noise and vibration for high power fans.  Adjustable Current Source Based Gate Drive  Speed Input • PWM – A5949 A sinusoidal voltage profile is applied to the windings of the motor at startup to quietly startup and gradually ramp up the motor to desired speed.

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