PAM8407 audio amplifier

* 1. Introduction to project functions

This work is a Class D Bluetooth power amplifier based on PAM8407, which outputs two 3W desktop-level power amplifiers. It solves the problem of everyone wanting to make a simple power amplifier. The peripherals are simple, easy to implement, and easy to use.

This is my first time working on an audio power amplifier project. I know very little about power amplifiers and don’t know much about various solutions. After watching Chai Gong’s solution and Mo Gong’s live broadcast, I feel that since it is the first time, I should do a simpler one to get started first. . So I chose the plan taught by Mo Gong Live Broadcast.

*2. Hardware part

Main control selection PAM8407

Very simple peripheral device.

The Bluetooth part uses JDY-62A Bluetooth module.

The power supply of Bluetooth uses LC filtering. If the power ripple of Bluetooth fluctuates greatly, it will have a certain impact on the audio quality.

*3. BOM list

* 4. Demonstrate your project and record it as a video for uploading

Video requirements: Please shoot horizontally, with a resolution of no less than 1280×720, in Mp4/Mov format, and the size of a single video is limited to 100M;

Video title: Lichuang Electric Competition: {Project Name}-{Video Module Name}; such as Lichuang Electric Competition: "Autonomous Driving" - Team Introduction.

More details: https://diy.szlcsc.com/posts/06c94d90c2c447dfbd9ed7339ff4a5b1