Description
The L9110S H-Bridge Motor Driver Module is a compact, dual-channel motor driver designed to control either two DC motors or one 4-wire 2-phase stepper motor . Featuring two independent L9110S chips, it can deliver up to 800mA continuous current per channel, making it ideal for small robots, DIY vehicles, and automation projects
Key Features
- Dual H-Bridge Design – Drives two DC motors or one stepper motor independently
- PWM Speed Control – Supports pulse width modulation for speed tuning
- Wide Voltage Range – Operates from 2.5V to 12V DC, compatible with various motor types
- Low Power Consumption – Efficient operation with low static current
- High-Voltage Protection – Pins include high-voltage protection for safe operation
- Microcontroller Friendly – Easy to interface with Arduino, STM32, ESP32, Raspberry Pi, and other 3.3V/5V logic systems
- Compact Design – Small footprint for easy integration into tight spaces
Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | 2.5V – 12V DC |
| Continuous Output Current | Up to 800mA per channel |
| Peak Output Current | Up to 1.5A |
| Logic Compatibility | 3.3V / 5V microcontrollers (TTL/CMOS compatible) |
| Control Input | Standard logic level inputs for direction & speed |
| Operating Temperature Range | -20°C to 85°C (0°C to 80°C for some variants) |
| Module Dimensions | 29.2mm × 23mm × 15mm |
Applications
- Miniature Robotics & Smart Cars – Drive motors for small robots and RC vehicles
- 2-Phase Stepper Motor Projects – Control bipolar stepper motors
- DIY Motorized Systems – Custom automation and mechanical projects
- Educational Electronics Kits – Learn motor control concepts
- Simple Automation & Motion Control – Valve actuators, electronic locks, and small conveyor systems.