Datasheet Summary
A5949/A5939
Three Phase Sinusoidal Fan Controller
Features
AND BENEFITS
DESCRIPTION
- AEC-Q100 qualified
- K version
- Sinusoidal Drive For Low Audible Noise
- Quiet StartUp
- Proprietary High Efficiency Control Algorithm
The A5939/A5949 three phase motor controller incorporates sinusoidal drive to minimize audible noise and vibration for high power fans.
- Adjustable Current Source Based Gate Drive
- Speed Input
- PWM
- A5949
A sinusoidal voltage profile is applied to the windings of the motor at startup to quietly startup and gradually ramp up the motor to desired speed.
- Analog
- A5939
- Windmill Detection
- Hall Element or Hall Latch patible
- FG Speed Output
- Lock...