Datasheet Summary
Three-Phase Sensorless Fan Controller
Features
AND BENEFITS
- Closed-loop speed control
- Power loss brake
- Fault mode brake
- Configurable rotor detect (RD) or frequency generator
(FG) output
- Speed curve configuration via EEPROM
- I2C serial port
- Sinusoidal modulation for reduced audible noise and low vibration
- Sensorless (no Hall sensors required)
- Trapezoidal drive option for high speed
- Adjustable gate drive option
- Minimal external ponents
- PWM duty cycle speed input
- FG speed output
- Lock detection
- Soft start
- Shorted output protection (overcurrent protection, OCP)
APPLICATIONS
- High-speed 12 V server cooling fans
- Industrial and consumer blowers and...