Boardoza L9110S DC Motor Driver Breakout Board
The Boardoza L9110S Breakout Board is a dual-channel DC motor driver board built around the L9110S motor driver IC. It integrates a two-channel push-pull power amplifier in a compact breakout form, enabling bidirectional control of two DC motors through simple logic-level inputs.The board supports TTL/CMOS-compatible control signals and features low output saturation voltage, along with integrated clamp diodes for inductive load protection. These characteristics make it suitable for low-voltage motor control in embedded systems, including robotics platforms, educational development boards, small automation projects, and basic stepper motor driving applications where direct GPIO-based motor control is required.
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Key Features
- Dual-Channel DC Motor Driver: Allows independent forward and reverse control of two DC motors.
- Wide Operating Voltage Range: Supports motor supply voltages from 2.5 V to 12 V.
- High Current Capability: Delivers up to 750–800 mA continuous current per channel with peak currents up to 1.5 -2 A.
- TTL / CMOS Compatible Inputs: Can be directly interfaced with microcontrollers and CPUs without additional level shifting.
- Low Output Saturation Voltage: Improves efficiency and reduces power loss during motor operation.
- Built-in Protection Diodes: Integrated clamp diodes protect against reverse currents from inductive loads.
- Low Quiescent Current: Suitable for power-sensitive and battery-operated applications.
Technical Specifications
- Model
- L9110S
- Manufacturer
- Boardoza
- Manufacturer IC
- Generic / Multiple vendors
- Board Type
- Dual Channel DC Motor Driver Breakout Board
- Input Voltage Range
- 2.5 V – 12 V
- Output Current
- 750–800 mA continuous per channel
- Peak Current
- Up to 1.5 A
- Logic Level Compatibility
- TTL / CMOS
- Motor Channels
- 2 (Independent control)
- Supported Loads
- DC motors, stepper motors, relays, inductive loads
- Power Input Type
- 2-pin 2.50 mm connector / 2.50 mm pin header
- Control Interface
- Direct GPIO control (A/B inputs per channel)
- Operating Temperature
- 0 °C to +80 °C
- Board Dimensions
- 20 mm × 40 mm
Board Pinout
( J1 ) Control & Power Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Motor voltage positive input |
| 2 | M2_B | Channel 2 control input B |
| 3 | M2_A | Channel 2 control input A |
| 4 | M1_B | Channel 1 control input B |
| 5 | M1_A | Channel 1 control input A |
| 6 | GND | Ground |
( J4 ) Control & Power Connector (Parallel to J1)
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Motor voltage positive input |
| 2 | M2_B | Channel 2 control input B |
| 3 | M2_A | Channel 2 control input A |
| 4 | M1_B | Channel 1 control input B |
| 5 | M1_A | Channel 1 control input A |
| 6 | GND | Ground |
( J2 ) Motor Output – Channel 1 (M1)
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | B | Motor output B (Channel 1) |
| 2 | A | Motor output A (Channel 1) |
( J3 ) Motor Output – Channel 2 (M2)
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | B | Motor output B (Channel 2) |
| 2 | A | Motor output A (Channel 2) |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.