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This is a PCB design for a 5V Buck Converter, created using KiCad. The circuit is based on the LM2596S-5.0 fixed-voltage regulator and is ideal for efficiently stepping down higher DC voltages (like 7V–35V) to a stable 5V output for microcontrollers, sensors, and other electronics.
| Component | Value / Part | Qty |
|---|---|---|
| Buck regulator IC | LM2596S-5.0 | 1 |
| Schottky diode | SS34 | 1 |
| Inductor | 33 µH | 1 |
| Input filter capacitors | 600 µF, 1 µF | 2 |
| Output filter capacitors | 330 µF, 1 µF | 2 |
| Indicator LED | — | 1 |
| LED series resistor |
| 4.7 kΩ |
| 1 |
| Screw terminals | 2-pin | 2 |
Derived from the design specifications above.
Images/ — rendered schematic, PCB layout, and 3D viewsSchematics/, PCB_Design/ — exported PNG views of the schematic and layoutGerber_Files/ — ready-to-manufacture Gerbers (Gerber Files.zip)Note: this repo ships the rendered images and the manufacturing Gerbers. The editable KiCad project files (
.kicad_pro/.kicad_sch/.kicad_pcb) are not included.
| Schematic | PCB Layout | 3D Render |
|---|---|---|
1️⃣ Review the design from the schematic and PCB images in Images/.
2️⃣ Order the board by sending Gerber_Files/Gerber Files.zip to any PCB manufacturer.
3️⃣ Assemble using the Bill of Materials above.
This project was created with the help of tutorials from the Ampnics YouTube Channel. Big thanks for their awesome content!
This project is licensed under the MIT License – feel free to use, share, and modify it!
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