ZK-BM1 DC 3V-18V 10A Dual Channel DC Motor Driver Module

ZK-BM1 3V-18V 10A Dual DC Motor Driver Module is a high-power, industrial-grade motor control solution designed to drive two DC motors or one 4-wire two-phase stepper motor with exceptional efficiency. This module utilizes a robust H-bridge circuit architecture, which allows for precise control over motor direction and speed via PWM (Pulse Width Modulation) signals. Consequently, it serves as an excellent choice for robotics enthusiasts and engineers who require a compact yet powerful driver for battery-operated vehicles. Furthermore, the wide input voltage range starting from 3V makes it perfectly compatible with various battery chemistries, including Li-ion and NiMH. Therefore, you can achieve smooth, reliable motion control in your automation projects while maintaining a small hardware footprint.

Key Features:

• Dual Channel Control: The module drives two DC motors independently, enabling complex maneuvers for differential drive robots.
• High Current Capacity: It supports a continuous current of 10A per channel, allowing the board to handle high-torque motors without overheating.
• Wide Voltage Range: The hardware operates reliably between 3V and 18V, providing flexibility for different power source configurations.
• Built-in Protection: Moreover, the integrated thermal and over-current protection circuits prevent damage to the module during stall conditions or excessive loads.
• Low On-Resistance: Features high-quality MOSFETs with low R_DS(on) to maximize power delivery to the motors and minimize heat dissipation.

Technical Specifications:

• Operating Voltage (V_CC): 3 V to 18 V DC
• Control Signal Voltage: 3 V to 5 V (Compatible with Arduino, ESP32, and STM32)
• Continuous Output Current: 10 A per channel
• Peak Output Current: 15 A (Short duration)
• PWM Frequency Range: 0 kHz to 20 kHz
• Duty Cycle Range: 0% to 100%
• Standby Current: < 10 μA

Mechanical Specifications:

• PCB Material: High-quality FR4 double-sided board
• Connector Type: Screw terminals for high-current power and motor connections; pin headers for logic signals.
• Heat Dissipation: Large area copper pours and integrated heatsink for efficient thermal management.
• Mounting Hole Diameter: ≈ 3.0 mm

Dimensions:

• Length: ≈ 49 mm
• Width: ≈ 39 mm
• Height: ≈ 15 mm
• Weight: ≈ 25 g

Pinout and Wiring:

• VCC / GND: Main power input for the motors (3V − 18V).
• Motor A (OUT1/OUT2): Connect the two wires of the first DC motor here.
• Motor B (OUT3/OUT4): Connect the two wires of the second DC motor here.
• IN1 / IN2: Logic inputs to control Motor A direction and speed (PWM).
• IN3 / IN4: Logic inputs to control Motor B direction and speed (PWM).
• Wiring Note: However, ensure that the power supply can provide sufficient peak current to avoid voltage drops during motor startup.

Datasheet Reference:

• Download ZK-BM1 Dual DC Motor Driver Manual/Datasheet

Commonly Used in:

• Smart Robot Chassis: Ideal for 2WD and 4WD robot platforms requiring high current handling.
• DIY Electric Vehicles: Used in small-scale electric karts or remote-controlled cars.
• Industrial Actuators: Controlling linear actuators that operate within the 10A current limit.

Applications:

• Speed Control: Utilizing PWM signals to vary the rotational speed of brushed DC motors.
• Directional Control: Reversing polarity via the H-bridge to change the rotation direction.
• Automated Gates: Powering the motor mechanisms for small automated door or gate systems.
• Conveyor Belts: Furthermore, it drives small conveyor systems in sorting or packaging prototypes.

Equivalent Models:

• L298N Module: A classic alternative, however, the ZK-BM1 offers much higher efficiency and current capacity.
• BTS7960 43A Driver: Used for much higher current applications, whereas the ZK-BM1 is more compact for 10A loads.
• IBT-2 Motor Driver: A similar high-power MOSFET-based driver often used for single-channel applications.

Package Includes:

• 1 x ZK-BM1 3V-18V 10A Dual DC Motor Driver Module