The A5947 simplifies the design of sensorless automotive fan systems with its integrated closed-loop speed control, sinusoidal drive, and programmable speed curves. Eliminates the need for a microcontroller and reduces PCB space.
Product Details
Product Details
Top 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
- 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
Typical Applications:
- Automotive Seat Ventilation Fans
- Automotive ADAS DPU/CPU Cooling Fans
- Automotive Battery Cooling Fans
- Telecom Server Data Center Cooling Fans
- IC&C GPU/CPU Cooling Fans
- Industrial Motor Control
Target Application
- Seat Cooling Fan
- xEV Cooling Fan
