Cytron 20Amp 6V-30V DC Motor Driver MD20A

(1 customer review)

In stock

SKU: 381393
  1. Bidirectional control for one brushed DC motor.
  2. Operating Voltage: DC 6V to 30V
  3. Maximum Motor Current: 20A continuous, 60A peak
  4. Buttons for quick testing.
  5. LEDs for motor output state.
  6. Overcurrent protection with active current limiting.
  7. Temperature protection.
  8. Undervoltage shutdown.


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Brand: Cytron
Category: Stepper Motor Drivers
Tags: MD20A

The MD20A enables bidirectional control of one high-power brushed DC motor from 6V to 30V. With discrete NMOS H-Bridge design, this motor driver is able to support 20Amp continuously without any heatsink.

The onboard test buttons and motor output LEDs allow the functional test of the motor driver in a quick and convenient way without hooking up the host controller.

This motor driver can be controlled with PWM and DIR inputs. With input logic voltage range from 1.8V to 12V, it’s compatible with a wide variety of host controllers (e.g. Arduino, Raspberry Pi, PLC).

Various protection features are also incorporated in the MD20A. Overcurrent protection prevents the motor driver from damage when the motor stalls or an oversized motor is hooked up. When the motor is trying to draw current more than what the motor driver can support, the motor current will be limited at the maximum threshold.

Assisted by temperature protection, the maximum current limiting threshold is determined by the board temperature. The higher the board temperature, the lower the current limiting threshold. This way, MD20A able to deliver its full potential depending on the actual condition without damaging the MOSFETs.

Note: Power input does not have reverse-voltage protection. Connecting the battery in reverse polarity will damage the motor driver instantaneously.


Cytron Quicktestbuttonformd20Amotordriver


Specifications and Features:

  1. Bidirectional control for one brushed DC motor.
  2. Operating Voltage: DC 6V to 30V
  3. Maximum Motor Current: 20A continuous, 60A peak
  4. Buttons for quick testing.
  5. LEDs for motor output state.
  6. PWM and DIR inputs.
  7. Inputs compatible with 1.8V, 3.3V, 5V and 12V logic (Arduino, Raspberry Pi, PLC, etc).
  8. PWM frequency up to 20kHz (Output frequency is the same as input frequency).
  9. Compatible with sign-magnitude and locked-antiphase PWM operation.
  10. Overcurrent protection with active current limiting.
  11. Temperature protection.
  12. Undervoltage shutdown.

Example Application: Automated Guided Vehicle (AGV), Solar Tracker, Game Simulator, Mobile Robot, Automation Machine.

Package Includes:

1 x Cytron 20Amp 6V-30V DC Motor Driver MD20A.

A Quick Start Guide

4 x PCB Spacer.

SKU: 381393 Category: Tag:


Input Supply voltage (V)

6 ~ 30

Input Current (A)

20A continuous

Peak Current (A)


PWM Frequency

20 KHz

Length (mm)


Width (mm)


Height (mm)


Weight (gm)


Shipment Weight

0.07 kg

Shipment Dimensions

8 × 5 × 3 cm

3 Month Warranty Against Sealed Product

This item is covered with a standard warranty of 3 Month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Warranty  Against Sealed Product:

This product comes with manufacturer seal so, warranty Policy shall cover only those issues pertaining to the manufacturing defects in the product. In any other case, No return will be accepted if the seal is broken.

Based on 1 review

5.0 overall

Add a review

  1. DEGALA SAJAL KUMAR BABU (verified owner)

    Excellent motor driver must purchase



Sample Code

Questions and answers of the customers

  1. 0 votes
    Q Does this controller work with 775 dc motor?
    Asked by mathewsreyas on March 12, 2023 8:17 pm
    There are no answers for this question yet. Answer now
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Country Of Origin: MALAYSIA