Quality Brushless DC Motor Driver from China. 1. Surface-mount technology, small size, high current 2. 2-Quadrant PI close-loop control of speed or current with good linearity. 3. Variable parameter settings for different motors. 4. Control functions of safe reverse, safe start, enable, brake, speed reference and output functions of speed pulse(PG), alarm. Short circult and over temperature protection. 5. Three kinds of reference inputs: analog voltage, PWM, frequency. 6. Suitable for 3-Phase BLDC Motors with hall sensors. Welcome to visit our official website : http://www.bldcelectricmotor.com