Stepper Motor Driver

Stepper Motor Driver

Stepper motor driver is an actuator that converts electrical pulse into angular displacement. Stepper motor and stepper motor driver constitute a stepper motor drive system. Stepper motor is a kind of special motor used as control. Its rotation is run step by step at a fixed Angle (called step Angle). It is characterized by no accumulation error, so it is widely used in various open-loop control. The operation of the stepper motor must be driven by an electronic device, which is the Chinese stepper motor driver. It converts the pulse signal issued by the control system into the angular displacement of the stepper motor. In other words, each pulse signal sent by the control system will make the stepper motor rotate one step distance Angle through the driver. So the speed of the Chinese stepper motor is proportional to the frequency of the pulse signal. Therefore, the frequency of the stepping pulse signal can be controlled to the precise speed regulation of the motor; The precise positioning of motor can be realized by controlling the number of stepping pulses.

Stepper Motor


SD series pulse controlled stepper motor driver
20-130Matching motor base at 20-130
All digital micro separation technology
5-24V Pulse compatible 5-24v
Command smoothing and low speed anti resonance
Adaptive motor parameter adaptation
Optimize anti-interference capability
Better hardware design and stability

How does a Chinese stepper motor driver work? 

When the Chinese stepper motor driver receives a pulse signal, it drives the stepper motor to rotate a fixed Angle (called "step Angle") in the set direction, and its rotation is carried out step by step at a fixed Angle. The angular displacement can be controlled by controlling the number of pulses so as to achieve the purpose of accurate positioning. At the same time, the speed and acceleration of motor rotation can be controlled by controlling the pulse frequency, so as to achieve the purpose of speed regulation and positioning.

Some related concepts of Chinese stepper motor driver.

  • Electric Current: Peak current refers to the maximum output sine wave of the driver, and the effective value is the average current.
  • To Subdivide:The driver subdivides the whole step into multiple steps, the angle becomes smaller and the vibration is smaller, which is derived into the number of pulses per revolution
  • The winding sequence of the same phase is reversed, and the motor is reversed (five phases cannot be reversed)
  • Half current and full current:Half current is to halve the current when the motor stops,which can reduce the heating

Where do we use stepper motor driver?

LIMON is a Chinese stepper motor drive manufacturers, and its products has been widely used in engraving machine, crystal grinding machine, medium CNC machine tools, EEG embroidery machine, packaging machinery, fountain, dispensing machine, cutting feeding system and other high resolution large and medium CNC equipment.

Whats the advantages of stepper motor driver subdivision?

The main advantages of the subdivision of the Chinese stepper motor driver are as follows:

  • The low frequency oscillation of the motor is completely eliminated. The low frequency oscillation is the inherent characteristic of the stepper motor (especially the reaction motor), and subdivision is the only way to eliminate it.
  • The output torque of the motor is improved. Especially for the three-phase reaction motor. The torque is about 30-40% higher than that without subdivision.
  • Improve the resolution of the motor. The resolution of the motor is improved by reducing the step Angle and improving the evenness of the step.

LIMON is a professional Chinese stepper motor drive manufacturers, and also provide Chinese stepper motor and linear stepper motor, feel free to contact us!



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