Description
Product Overview
The L9110S 4-Channel DC Motor Drive Board is a compact and powerful motor driver module designed to control up to four DC motors simultaneously . Built around multiple L9110S H-bridge driver chips, this board provides an efficient solution for robotics projects, smart car platforms, and automation systems requiring multiple motors.
Each channel on this board can independently control a DC motor’s speed and direction, making it ideal for complex motion control applications such as Mecanum wheel robots, omnidirectional platforms, or multi-axis automation systems . The board operates on a wide voltage range of 2.5V to 12V, supporting both 3.7V lithium batteries and 5V/12V power supplies .
With a clean interface design, this module simplifies the wiring complexity of multi-motor projects. All control pins are arranged systematically, allowing direct connection to microcontrollers like Arduino, ESP32, or STM32. The board also provides screw terminals for secure motor wire connections, ensuring reliable operation even in vibration-prone environments .
Key Features
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4 Independent Motor Channels: Controls up to four DC motors simultaneously, perfect for Mecanum wheel robots and complex automation systems
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Wide Operating Voltage: Supports 2.5V to 12V DC input, compatible with 3.7V Li-ion, 5V USB, and 12V power supplies
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800mA Continuous Output Current: Each channel delivers up to 800mA continuous current (1.5A peak), suitable for small to medium DC motors
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Independent Speed and Direction Control: Each motor channel supports PWM speed control and forward/reverse direction switching
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Low Standby Current: Minimal power consumption when motors are idle, ideal for battery-powered applications
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Built-in Flyback Diodes: Integrated protection diodes suppress voltage spikes from motor inductance, safeguarding your control circuit
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Compact Design: Small footprint allows easy integration into space-constrained robot chassis and enclosures
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Easy Wiring via Screw Terminals: Individual terminal blocks for each motor provides secure, tool-friendly connections
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Number of Channels | 4 (Independent) |
| Driver IC | L9110S (Quad H-Bridge) |
| Operating Voltage | 2.5V – 12V DC |
| Continuous Output Current (Per Channel) | 800mA |
| Peak Output Current (Per Channel) | 1.5A |
| Control Logic Level | 3.3V / 5V (TTL Compatible) |
| Speed Control Method | PWM (Pulse Width Modulation) |
| Standby Current | < 0.1µA |
| Operating Temperature | -20°C to +85°C |
| Mounting Hole Diameter | 3mm |
| Typical Weight | Approx. 15g – 20g |
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