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AH5775 - SINGLE PHASE MOTOR DRIVER

Description

The AH5775 is a single-chip solution for driving single-coil brushless direct current (BLDC) fans and motors.

The integrated full-bridge driver output stage uses soft switching to minimize audible switching noise and electromagnetic interference (EMI) providing a low-noise solution.

Features

  • Supports single-phase full wave BLDC fan/motor drive.
  • Built-in Hall effect sensor and input amplifier.
  • Operating voltage: 2.5V to 18V.
  • Soft switching for low noise DC fan motor.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PRELIMINARY - CONFIDENTIAL AH5775 SINGLE PHASE MOTOR DRIVER WITH INTERNAL HALL EFFECT LATCH SENSOR Description The AH5775 is a single-chip solution for driving single-coil brushless direct current (BLDC) fans and motors. The integrated full-bridge driver output stage uses soft switching to minimize audible switching noise and electromagnetic interference (EMI) providing a low-noise solution. Pin Assignments (Front View) To simplify system circuit and minimize external components, the device integrates a stable high-sensitivity Hall effect sensor, voltage and temperature compensated internal references, amplifiers and the output H-bridge power switches with low RDSON.
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