Cytron MDD3A 4-16V 3A Dual Channel DC Motor Driver | thingbits

Cytron MDD3A 4-16V 3A Dual Channel DC Motor Driver

Name: Cytron MDD3A 4-16V 3A Dual Channel DC Motor Driver
SKU: TH0695
Price: 6.0 USD
Availability: InStock

SKU: TH0695

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Cytron MDD3A dual DC motor driver supports 4V-16V operation, 3A continuous per channel, 5A peak, 20kHz PWM, 1.8V-12V logic input, and 5V/200mA output.

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Overview

Cytron MDD3A is a compact dual channel DC motor driver designed for robots, automation builds, and embedded motion projects. It can drive two brushed DC motors or one bipolar/unipolar stepper motor from a 4V to 16V DC supply using a discrete MOSFET H-bridge design.

Each channel supports up to 3A continuous current and 5A peak for short bursts, making it suitable for small mobile robots, school projects, and general maker applications. The driver accepts PWM input up to 20kHz, with output frequency following the input frequency for straightforward speed control.

The board is easy to integrate with modern controllers thanks to its 1.8V to 12V logic-compatible inputs, covering Arduino, Raspberry Pi, and PLC interfaces. It also includes a built-in 5V output up to 200mA, onboard test buttons, motor status LEDs, and reverse polarity protection for safer and faster development.

Specification

Technical details for Cytron MDD3A 4-16V 3A Dual Channel DC Motor Driver.

Specification	Details
Motor Channels	2 brushed DC motor channels, or 1 bipolar/unipolar stepper motor
Operating Voltage	4V to 16V DC
Continuous Motor Current	3A per channel
Peak Motor Current	5A per channel (< 5 seconds)
Logic Input High Level	1.7V to 12V
Logic Input Low Level	0V to 0.5V
Supported Logic Systems	Compatible with 1.8V, 3.3V, 5V and 12V control signals
PWM Frequency	DC to 20kHz
5V Output	5V regulated output, up to 200mA max
Protection & Features	Reverse polarity protection, onboard test buttons, motor status LEDs

Pinout

Pin	Type	Description
VB+	Power Input	Positive motor supply input from battery or DC source
VB-	Power Input	Negative supply input / ground return for motor power
M1A	PWM Input	PWM Input A for motor channel 1
M1B	PWM Input	PWM Input B for motor channel 1
5VO	Power Output	Regulated +5V output, maximum 200mA, can power a host controller
GND	Ground	Common ground for control interface and 5V output
M2A	PWM Input	PWM Input A for motor channel 2
M2B	PWM Input	PWM Input B for motor channel 2
Motor Output Terminal	Output	Connects to the motor terminals; direction depends on output polarity
Test Buttons	User Control	Onboard forward/backward test buttons for quick functional testing at full speed