• Part: A5947-B
  • Description: Three-Phase Sensorless Fan Driver
  • Manufacturer: Allegro MicroSystems
  • Size: 1.18 MB
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Datasheet Summary

Three-Phase Sensorless Fan Driver IC 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 - 3.3 V / 20 mA linear regulator - 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 DESCRIPTION The A5947-B three phase motor driver IC incorporates sensorless sinusoidal drive to minimize vibration for a wide variety of fan applications. Sensorless control eliminates the...