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A89304 - Sensorless BLDC Fan Driver

General Description

The A89304 is a single-chip solution to address a wide range of cooling fan systems, including ADAS GPU/CPU cooling, infotainment, and HUD, as well as auxiliary cooling fans and pumps.

Key Features

  • AEC-Q100 qualified.
  • Speed curve configuration via EEPROM.
  • I2C serial port.
  • Sinusoidal modulation for reduced audible noise and low vibration.
  • Sensorless (no Hall sensors required).
  • Low RDS(ON) power MOSFETs.
  • PWM or analog speed input.
  • FG speed output.
  • Slew rate control.
  • Lock detection.
  • Soft start.
  • Low power standby mode.
  • Overcurrent protection.
  • Overvoltage protection PA.

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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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A89304 Sensorless BLDC Fan Driver IC for High Temperature Applications FEATURES AND BENEFITS • AEC-Q100 qualified • Speed curve configuration via EEPROM • I2C serial port • Sinusoidal modulation for reduced audible noise and low vibration • Sensorless (no Hall sensors required) • Low RDS(ON) power MOSFETs • PWM or analog speed input • FG speed output • Slew rate control • Lock detection • Soft start • Low power standby mode • Overcurrent protection • Overvoltage protection PACKAGE: Not to scale 28-contact QFN with exposed thermal pad and wettable flank 5 mm × 5 mm × 0.90 mm (ET package) DESCRIPTION The A89304 is a single-chip solution to address a wide range of cooling fan systems, including ADAS GPU/CPU cooling, infotainment, and HUD, as well as auxiliary cooling fans and pumps.