Boardoza TPA3111 Mono Audio Amplifier Breakout Board
The Boardoza TPA3111 Mono Audio Amplifier Module is a compact and efficient Class-D audio amplifier built around the Texas Instruments TPA3111D1 chip. Designed to deliver up to 10 W mono output power, this board provides high-quality audio performance with minimal heat generation thanks to its high-efficiency architecture. With a wide 8 V to 28 V DC input voltage range, this amplifier module is compatible with a variety of power sources, including DC adapters and battery systems. Screw terminal connections for power, audio input, and speaker output make installation quick and reliable. It is ideal for DIY speaker builds, portable audio systems, embedded audio solutions, and custom sound projects requiring compact and efficient amplification.
Key Features
- High-Efficiency Class-D Amplifier: 310 khz Switching frequency provides clear and powerful mono audio output with minimal heat generation.
- Wide Input Voltage Range: Operates from 8V to 28V DC, compatible with various power sources.
- Easy Connectivity: Screw terminals for audio input, speaker output, and power connections.
- Clean Audio Performance: Integrated pop and click suppression for smooth startup and shutdown.
- Built-in Protection Features: Includes thermal shutdown and short-circuit protection for reliable operation.
Technical Specifications
- Model
- TPA3111D1
- Manufacturer
- Boardoza
- Manufacturer IC
- Texas Instruments
- Input Voltage
- 8V – 28V DC
- Functions
- Mono Audio Amplifier
- Amplifier Type
- Class-D
- Output Power
- Up to 10W
- Efficiency
- Up to 90%
- Audio Output
- Mono (H-Bridge)
- Gain Setting
- Configurable via JP2 / JP3 (Default: 36 dB)
- Protection Features
- Thermal protection, short-circuit protection
- Operating Temperature
- -40 °C to +85 °C
- Board Dimensions
- 40 mm x 40 mm
Board Pinout
( JP2 & JP3 ) Gain Configuration (GAIN1 / GAIN0)
| Pin Number | Pin Name | Description |
|---|---|---|
| JP2 | GAIN1 | Gain select input (logic level via jumper) |
| JP3 | GAIN0 | Gain select input (logic level via jumper) |
( JP5 ) Control Pins
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | SD | Shutdown pin (Active Low). Connect to FAULT for auto-recovery |
| 2 | FAULT | Fault indicator pin (Active Low). Connect to SD for auto-recovery |
( J3 ) Power Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | 8V–28V | DC Voltage Input |
| 2 | GND | Ground |
( J1 ) Audio Input
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | IN+ | Positive audio input |
| 2 | IN- | Negative audio input |
( J2 ) Speaker Output
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT+ | Class-D H-Bridge positive output |
| 2 | OUT- | Class-D H-Bridge negative output |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.