L9110S Dual Channel DC Motor Driver Module

L9110S Dual Channel DC Motor Driver Module is a compact and cost-effective motor driver module that allows bidirectional control of two DC motors or one stepper motor. It is widely used in DIY robotics, automation projects, and embedded systems. The module features two L9110S H-bridge driver chips capable of directly driving motors from microcontroller signals like those from Arduino, STM32, or Raspberry Pi.

Key Features:

• Dual H-Bridge Design: Controls two DC motors independently or one stepper motor.
• Microcontroller Compatible: Works with 3.3V and 5V logic devices.
• Compact PCB Layout: Ideal for small robotics and embedded designs.
• Low Power Consumption: Efficient design suitable for battery-powered applications.
• Thermal Protection: Built-in safeguards for overcurrent and overheating.

Technical Specifications:

• Operating Voltage: 2.5V to 12V DC
• Logic Voltage: 3.3V or 5V
• Continuous Output Current: 800mA per channel
• Peak Current: Up to 1.5A (short duration)
• Control Pins: A-IA, A-IB, B-IA, B-IB
• Output Terminals: Motor A: A-OUT1, A-OUT2; Motor B: B-OUT1, B-OUT2

Mechanical Specifications:

• PCB Dimensions: Approx. 29mm × 23mm × 12mm
• Mounting Holes: 4 corner holes for M2 screws
• Connector Type: Screw terminals for motor connections, header pins for control
• Weight: ~6 grams

Pinout and Wiring:

• Motor A Control: A-IA (IN1), A-IB (IN2)
• Motor B Control: B-IA (IN3), B-IB (IN4)
• Power Input: +VCC and GND (for motor power)
• Motor Outputs: OUT1, OUT2 (for each motor)
• Connection: Connect IN1~IN4 to microcontroller GPIOs and control with HIGH/LOW logic

Datasheet and Reference:

• Search: L9110S Motor Driver Datasheet

Applications:

• Robotics: Controls small to medium DC motors in mobile robot platforms
• Automation Projects: Used in smart conveyor belts or mechanized tools
• DIY RC Cars: Drives dual motors for forward/backward motion and turning
• Education: Perfect for learning H-bridge working and PWM motor control
• Stepper Control: Used to drive unipolar stepper motors with control logic

Equivalent Modules:

• TB6612FNG: Dual motor driver with higher current support
• L298N: More powerful H-bridge driver with onboard voltage regulator
• DRV8833: Compact, low-voltage motor driver from TI

Package Includes:

• 1 x L9110S Dual Channel Motor Driver Module