Voltage range from 12V to 56VDC, 0-10V/PWM speed control, ... range, No noise, hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal blower, axial fan in HVAC, ... customer demands, such as Supply voltage range, No noise, hall-free, power,etc. power,etc.Applications of ... , EC motor, energy saving motor,etc. Low noise 48V BLDC Fan motor driver or controller with tach output