Brushless DC motor driver works at 12V to 56V power supply and typical power is 48V DC. Its speed control is up to 20000 rpm, output current is up to 15A, used for worm and planetary gear motor.
Specification
Model | CHN-BLD300B (Click it to see more controller specs) |
Power Supply | 12V ~ 56V DC |
Typical Power | 48V DC |
Output Current | 15A |
Over Voltage Protection | 5V |
Under Voltage Protection | 12mA |
External Potentiometer | 10KΩ |
Input Analog Voltage | 5 VDC |
Speed Control Range | 20000rpm |
*Limited by the maximum rated speed of the motor |
Dimensions (Unit: mm)

Tips: Working principle of brushless DC motor controller
Brushless DC motor controller uses the voltage and frequency modulation technology in power electronics technology to modulate the DC power stored in the power battery into rectangular wave or sine wave AC power required to control the motor, and change the voltage, current amplitude or frequency of the output power. In turn, the motor speed and torque are changed to achieve the purpose of controlling the speed and acceleration of the entire vehicle.
Brushless DC motor controller drives motor under 120W, used for 24V/36V BLDC worm gear motor or planetary gear motor to perform speed control, power supply range from 12V to 30V, typical power 48V DC. This motor driver is compact and easy operation with external potentiometer.