A5947-B 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 requirement for Hall sensors. A flexible closed-loop speed control system is integrated into the IC.
A5947-B Key Features
- AEC-Q100 qualified
- Speed curve configuration via EEPROM
- I2C serial port
- Sinusoidal modulation for reduced audible noise and
- 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