110V/220V AC Sensorless Brushless DC Motor Controller with 4A Continuous Current JYQD-VH8500 is a high voltage sensorless BLDC motor controller for 110V/220V AC applications, supporting 4A continuous current, PWM and 0–5V speed control, reversing and enable functions. The controller supports a maximum and continuous working current of 4A and provides multiple speed-control options, including PWM speed control and 0–5V analog voltage speed regulation. With integrated