top of page

- Environment temp: min -30, max: 60 degree
- Input voltage: Min: 12 max: 24V
- Output current: 0.05-3A
- Suitable motor rotate speed: 0-20000RPM
- Signal voltage: 4.5-6.5V(Rated voltage: 6.25)
- Driver current: rated current: 10mA
- External speed adjusting potentiometer: 10K ohm


BLD120A :

30VDC 120W BLDC Motor Driver
It can be applied to the host computer (PLC or SCM) PWM or analog speed control
Can be manual speed control mode (own potential, also can be external potentiometer manual control)
PIDSpeed loop, current loop control
Start-stop control (EN), Reversible control (F/R), Braking Fast stop (BRK)
Overload protection setting: set different power motor protection parameters through linear potentiometer
High-speed torque output stable, speed, and stability
Low-speed high torque output
Overcurrent, overvoltage, brown, stall, hall signal illegal, temperature protection
Abnormal alarm signal output
Electrical characteristics
Input power: 12-30VDC power supply
Output current 8A rated current
Instantaneous maximum current 30A (<3S)
Insulation resistance: under normal temperature and pressure >500M



Operating voltage: 18-50VDC
Maximum drive force: 300W
Output current: 15-25A
Hall signal power: 4.5-5.5V (rated 5V)
Hall current: 20mA
External potentiometer: 10K Ohms
Power input 24-48V DC
U V W: Motor phase wire (heavy line)
HU HV HW: Hall signal wire (fine line)
REF+: Hall power+
REF-: Hall power-
VCC: External Potentiometer Power Supply ( Internal Power Supply Only)
SV: Wiring terminal of the external potentiometer. Vacant when using a built-in potentiometer
COM: Common terminal (low level)
F/R: Direction (forward at a high level or vacant/ revers at a low level)
BRK: Brake
EN: Enable
SPEED: Speed output
ALARM: Alarm output
Suitable motor speed: 20000RPM


BLD-750 48V 750W :

1. BLD-750 is an brushless DC motor drive controler applied to 24V, 36V, 48V brushless motor.
2. The BLDC Motor Driver can use manual control mode (built-in potentiometer, also can be an external potentiometer manual control of motor speed)
3. BLD-750PID speed loop, current loop control; start stop control; reversing control.
4. Overload protection setting: dial the code switch can be set different power of motor protection parameters.
5. The 750w brushless DC motor drive controler's high-speed torque output smooth and steady, speed stability.
6. BLD-750 has over-current, over-voltage, under-voltage, locked-rotor, illegal hall signal, temperature protection, and other functions.
7. Speed signal output; Abnormal alarm signal output; (BLD-750 with the speed display adjusting device to match and available for the user matching, which can be used to display

Brushless DC motor driver BLD-120A BLD-300B BLD-750

bottom of page