SKU: TH2159
Cytron MD25HV is a high-voltage 25A brushed DC motor driver for 7V-58V systems, with 60A peak current, PWM/DIR or pot/switch control, onboard 5V buck output, and built-in protection features.
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The Cytron MD25HV is a high-voltage, single-channel bidirectional motor driver designed for one brushed DC motor. It operates from 7V to 58V DC and supports up to 25A continuous motor current with 60A peak, making it suitable for demanding robotics, automation, and mobility applications.
This driver uses a discrete NMOS H-Bridge design with a fixed 16kHz output frequency, and accepts PWM input frequencies up to 40kHz. It supports PWM and DIR control, and also offers a direct potentiometer and switch control mode for standalone speed and direction control without the need for programming.
The MD25HV also integrates a 5V buck regulator output for powering a host controller up to 250mA, along with onboard test buttons, motor output LEDs, and built-in protection features including overcurrent protection with active current limiting, temperature protection, and undervoltage shutdown. Please note that the power input does not include reverse-polarity protection.
Technical details for Cytron MD25HV High-Voltage DC Motor Driver.
| Specification | Details |
|---|---|
| Motor Type | 1 brushed DC motor, bidirectional control |
| Operating Voltage | 7V to 58V DC |
| Continuous Current | 25A |
| Peak Current | 60A |
| H-Bridge Design | Discrete NMOS H-Bridge |
| Output Frequency | 16kHz fixed |
| PWM Input Frequency | Up to 40kHz |
| Input Logic Voltage | 1.8V to 30V |
| Control Modes | PWM/DIR or Potentiometer/Switch |
| 5V Buck Output | 5V, up to 250mA for host controller |
| Pin | Type | Description |
|---|---|---|
| VIN | Power Input | Main DC supply input for the motor driver, 7V to 58V. |
| GND | Power Ground | Common ground for power input, control interface, and host controller reference. |
| MOTOR A | Motor Output | One terminal of the brushed DC motor output. |
| MOTOR B | Motor Output | Second terminal of the brushed DC motor output. |
| PWM | Control Input | PWM speed control input; supports input logic from 1.8V to 30V. |
| DIR | Control Input | Direction control input for forward and reverse motor rotation. |
| 5V OUT | Power Output | Regulated 5V output from onboard buck regulator, up to 250mA, for powering a host controller. |
| POT | Analog Input | Potentiometer input for standalone motor speed control in potentiometer/switch mode. |
| SW | Digital Input | Switch input for standalone direction control in potentiometer/switch mode. |
| TEST BUTTONS / LEDS | Onboard Interface | Built-in test buttons for quick functional testing and LEDs for motor output state indication. |
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