Low price micro digital stepper motor driver for sale. It offers adjustable current control and multiple step resolutions, allowing the hybrid bipolar stepper motor to be driven with simple step and direction inputs.
Features
- Digital stepper motor driver is high performance, low price, low noise and good stability.
- Optically isolated signal input.
- Continuously adjustable drive current from 0.3 ~ 2.3A.
- When the pulse stops exceeds 100ms, the coil current is automatically halved.
- Low repair rate and high reliability.
- Average current control, 2 phase sinusoidal current drive output.
- Suitable for two phase Nema 8, Nema 11, Nema 14, Nema 17 stepper motor.
Specification
Model | CHN-FYQM302A |
Matched Motor | Nema 17 2 Phase Stepper Motor |
Voltage | DC 18V ~ 36V |
Drive Current | 0.3A ~ 2.3A 8 Channels |
Microstepping Setting | 25600 steps/rev 16 Channels |
Hightest Pulse Frequency | 100Kpps |
Certification | CE, FCC, RoHS |
Dimensions | 96 x 60.5 x 24.5mm |
Weight | 0.5kg |
Function Description |
Functions | Operation Instructions |
PWR | Power Indicating Lamp | When the driver is powered on, the green light is always on. |
ALARM | Overcurrent/Undervoltage Indicator | When the overvoltage and overcurrent faults occur, the red light is always on. |
PUL+ | Positive End of Control Pulse Signal | Connect to signal power,+5V to +24V can be driven. |
PUL- | Negative End of Control Pulse Signal | The falling edge is valid, and the motor takes one step whenever the pulse changes from high to low. Input resistance 220Ω. Requirements: low level 0 to 0.5V, high level 4 to 5V, Pulse charge >2.5us. |
DIR+ | Positive End of Directional Signal | Connect to signal power,+5V to +24V can be driven. |
DIR- | Negative End of Directional Signal | Used to change the direction of the motor.Input resistance 220Ω. Requirements: low level 0 to 0.5V, high level 4 to 5V, Pulse charge >2.5us. |
ENA+ | Positive End of Enabling Signal | Connect to signal power,+5V to +24V can be driven. |
ENA- | Negative End of Enabling Signal | When it is valid (low level), the motor coil current is turned off, the driver stops working, and the motor is in a free state. |
Operating Current Setting
Peak Current | SW1 | SW2 | SW3 |
0.3A | on | on | on |
0.6A | off | on | on |
0.9A | on | off | on |
1.2A | off | off | on |
1.4A | on | on | off |
1.7A | off | on | off |
2.0A | on | off | off |
2.3A | off | off | off |
Microstep Segmentation Setting
Pulse/Revo | SW4 | SW5 | SW6 |
200 | on | on | on |
400 | off | on | on |
800 | on | off | on |
1600 | off | off | on |
3200 | on | on | off |
6400 | off | on | off |
12800 | on | off | off |
25600 | off | off | off |
Dimensions (Unit: mm)

Wiring Diagram

Tips: Functions of stepper motor driver
The digital stepper motor driver is an actuator that converts electrical pulses into angular displacement. In the use of the motor, the driver receives a pulse signal, and drives the motor to rotate a fixed angle in the set direction, and rotate step by step at a fixed angle. The stepper motor driver can control the angular displacement by controlling the number of pulses, and can also control the speed and acceleration of the motor's rotation by controlling the pulse frequency. Through these two methods, the positioning control and speed control are realized respectively. The entire stepper motor drive system is composed of two parts: a motor and a driver. While the performance of the drive system depends on the performance of the motor itself, it also depends on the pros and cons of the drive stage.
Digital stepper driver powered by DC 18V ~ 36V power supply, adjustable drive current from 0.3A to 2.3A, capable of driving Nema 8, 11, 14, 17 hybrid 2 phase stepper motors. This stepper motor controller can realize precise position control even without a feedback system.