(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories

    Digital Stepper Driver 1-4.2A 20-50V DC for Nema 17, 23 Stepper Motor

    5 out of 5 based on 1 reviews | Write a review
    ATODSP57 is digital 2-phase stepper motor driver, using the latest 32 dsp technology, advanced digital filtering technique, anti-resonance technology, precision current control technology and vector control technology. Capable of driving Nema 17, 23 closed-loop hybrid stepper motors.
    SKU: ATO-STEP-D2A2050
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    2-phase digital stepper driver, 20-50V DC, 1-4.2A for Nema 17, 23 2 phase stepper motor, manufacturer direct sale.


    • Low motor vibration, low noise, no loss of step.
    • Optical isolation, difference signal input.
    • Automatic motor parameter identification.
    • Vector control, ultra-low heating.
    • Offer 12-24v control signal interface.
    • Step and direction control.
    • Fast response, no delay and zero setting time.
    • Much lower cost than traditional servo systems.
    • No torque reservation.


    Basics Information
    Model ATODSP57
    Size 118 x 75.5 x 34 mm
    Phase 2
    Material Stainless Steel
    Mounting Hole Distance 112 mm
    Max Input Frequency 200 KHz
    Input Voltage Range 20-50V DC
    Output Current 1-4.2 A
    Control Mode Step & Direction
    Function Description
    Functions Operation Instructions
    Signal Interface PUL PUL+ is the positive end of the control pulse signal PUL- is the negative end of the control pulse signal
    DIR DIR+ is the positive end of directional signal DIR- is the negative end of directional signal
    ENA ENA+ is the positive end of enabling signal ENA+ is the negative end of enabling signal
    Motor Interface A A+ is connected with the positive end of the A phase winding of the stepping motor A- is connected with the negative end of the A phase winding of the stepping motor
    B B+ is connected with the positive end of the B phase winding of the stepping motor B- is connected with the negative end of the B phase winding of the stepping motor
    When the A and B two phase windings are switched, the motor direction is reversed
    Indicator Light 1. The green light is the power indicating lamp. When the drive is powered on, the green light is always on. 2. The red light is the fault indicating lamp. When the overvoltage and overcurrent faults occur, the trouble lamp is always on.
    Note: The default input signal is 5V pulse signal. When 24V input signal is required, please in series with1.8-2kΩ resistance.

    Switch of Options

    Peak Output Current REF Output Current SW1 SW2 SW3
    1A 0.71A ON ON ON
    1.46A 2.86A OFF ON ON
    1.91A 3.43A ON OFF ON
    2.37A 4A OFF OFF ON
    3.84A 4.57A ON ON OFF
    3.31A 5.14A OFF ON OFF
    3.76A 5.71A ON OFF OFF
    4.2A 3A OFF OFF OFF

    Micro Step Selection

    400 OFF ON ON ON
    800 ON OFF ON ON
    1600 OFF OFF ON ON
    3200 ON ON OFF ON
    6400 OFF ON OFF ON
    12800 ON OFF OFF ON
    25600 OFF OFF OFF ON
    1000 ON ON ON OFF
    2000 OFF ON ON OFF
    4000 ON OFF ON OFF
    5000 OFF OFF ON OFF
    8000 ON ON OFF OFF
    10000 OFF ON OFF ON
    20000 ON OFF OFF OFF
    25000 OFF OFF OFF OFF

    Driver Wiring Diagram
    DSP57 driver wiring diagram
    Driver Wiring Diagram
    driver circuit
    Installation Size (Unit: mm)
    dsp57 dimension
    Tips: The role of stepper driver’s subdivision
    Major advantages of subdivided driver: Low frequency oscillation of motor is completely eliminated. Low frequency oscillation is the intrinsic characteristic of the stepper motor (especially VR motor). However, subdivision is the only way to eliminate it. If your stepper motor has to work at resonance region (e.g.: run arc) sometimes, it is the only choice to choose subdivided driver to increase the output torque of the motor. Especially for 3-phse VR motor, its torque is increased by about 30-40% when not subdivided. Thus, the resolution of the motor is increased. With the stepping angle reduced and uniformity of the step pitch increased, the resolution of the motor is self-evident. The main role of stepper motor driver’s subdivision is to enhance the accuracy of the stepper motor.

    Existing reviews of Digital Stepper Driver 1-4.2A 20-50V DC for Nema 17, 23 Stepper Motor
    Wonderful digital stepper driver
    I'm very happy with this digital stepper driver. I bought three nema23 digital stepper drivers, two to drive the X axis and one to drive the Y axis. It is very easy to use. So I want to recommend it to everyone.
    From: Celery | Date: 01/09/2021
    Was this review helpful? Yes No (0/0)
    Load more reviews...
    Write your review for Digital Stepper Driver 1-4.2A 20-50V DC for Nema 17, 23 Stepper Motor
    • Only registered users can write reviews
    • Bad
    • Excellent
    Customers who bought this item also bought

    6-wire Nema 23 Stepper Motor, 2 phase, 2A, 1.8 degree

    SKU: ATO-STEP-512302
    This is high quality Nema 23 stepper motor with 1.8 deg. step angle(200 steps/rev). Each phase draws current 2A, allowing for a holding torque of 0.72Nm. Motor type is Hybrid Stepper Motor. Direct sales by manufacturer.