Description
AN44143A is a driver IC for 3-phase brushless motor optimized for fan motors.
Features
- Supply voltage range: 4.5 V ~ 26.4 V.
- Built-in 5-V regulator.
- 3-phase full-wave sine-wave PWM drive by 1-Hall-sensor.
- Selectable Input Mode: Either linear voltage input or PWM input through VSP pin.
- Selectable the start frequency through SWSF pin.
- Conduction angle auto driver phase shift correction.
- Rotation direction selectable (Forward/Reverse).
- FG pulse divide selectable.
- Sleep mode.
- Various protection functions:
Under Voltage Lock Out (UVLO).
AN44143A Datasheet
