L298N Mini Dual H-Bridge Motor Driver Module

L298N Mini Dual H-Bridge Motor Driver Module gives robotics enthusiasts and engineers a reliable and cost-effective solution for controlling DC motors and stepping motors. Built around the powerful L298N IC, this compact module efficiently drives two DC motors simultaneously with full directional control (forward and reverse) and speed regulation using PWM. Its dual H-bridge configuration allows users to independently manage the direction and speed of two separate motors, making it indispensable for two-wheel drive robotic platforms. The module also features built-in protection and simple screw terminals, ensuring easy and secure wiring directly into your microcontroller-based projects like Arduino or Raspberry Pi. Utilize this driver to put your code into action and give your robot mobility and power.

Key Features:

• Dual Motor Control: Features two independent H-bridges, letting you control the speed and direction of two DC motors or a single four-wire two-phase stepper motor.
• High Current Capacity: Handles continuous currents up to 2A per motor, suitable for driving medium-sized motors common in hobby robotics.
• Wide Operating Voltage: Supports a broad range of motor supply voltages, offering flexibility in power source selection for various projects.
• PWM Speed Regulation: Easily interface with a microcontroller’s PWM signal to achieve precise, variable speed control for each motor.
• Integrated Heat Sink: The module includes a heat sink on the main L298N chip, helping to dissipate heat and ensuring reliable performance under load.

Technical Specifications:

• Driver Chip: L298N Dual H-Bridge IC
• Motor Supply Voltage (V_MS): 5 V to 35 V DC
• Logic Operating Voltage (V_SS): 5 V DC
• Continuous Output Current: ≤ 2 A per motor (Maximum 3 A peak, non-repetitive)
• PWM Control: Yes, for speed regulation

Mechanical Specifications:

• Mounting: Includes mounting holes for secure fastening to a chassis or PCB.
• Terminals: Screw terminals for motor and power connections; male headers for logic input.
• Heat Dissipation: Large aluminum heat sink for passive cooling.

Dimensions:

• Length: ≈ 43 mm
• Width: ≈ 43 mm
• Height: ≈ 27 mm (Including heat sink)
• Weight: ≈ 26 g

Pinout and Wiring:

• VCC: 5V Logic Power Supply (Typically connected to the microcontroller 5V rail).
• GND: Ground (Common ground for motor and logic).
• OUT1 & OUT2: Motor A Output Terminals (Connect to Motor 1).
• OUT3 & OUT4: Motor B Output Terminals (Connect to Motor 2).
• ENA: Enable Motor A (PWM input for speed control).
• IN1 & IN2: Logic Inputs for Motor A Directional Control.
• ENB: Enable Motor B (PWM input for speed control).
• IN3 & IN4: Logic Inputs for Motor B Directional Control.
• +12V (or V_MS): Motor Power Supply Input (Connect to main motor battery/power source).
• Wiring Note: Set the direction of a motor by toggling its two input pins (e.g., IN1/IN2) high and low. Apply a PWM signal to the corresponding Enable pin (ENA/ENB) to manage speed.

Datasheet Reference:

• Download L298 Datasheet

Commonly Used in:

• Arduino and Raspberry Pi Projects: Providing the necessary power interface between the micro-controller and external motors.
• Educational Robots: Used in entry-level and intermediate robot kits for motor control.
• Home Automation: Driving small DC actuators or simple blinds/curtain mechanisms.

Applications:

• Two-Wheel Drive Robots: Independently controlling the movement of the left and right wheels for steering and movement.
• Stepper Motor Driving: Precisely controlling the steps of a bi-polar stepper motor for positioning tasks.
• Fan/Pump Control: Managing the speed and direction of DC fans or small liquid pumps in custom systems.

Equivalent Models:

• L293D: A lower-power dual H-bridge (often used in DIP packages) suitable for very small motors.
• DRV8833/DRV8871: Modern, smaller, and typically more efficient alternatives for low-voltage/low-current applications.

Package Includes:

• 1 x L298N Mini Dual H-Bridge Motor Driver Module