Buck converter
About the Buck converter PCB
Buck converter is an open source PCB design by hasanberkdasar, published on GitHub under the MIT license. It is a 2-layer board measuring 77.1 × 29.7 mm, with 11 components from 11 distinct parts.
Other key parts include the XL4015. By type, the board carries 4 capacitors, 2 connectors, 2 resistors, 1 IC, 1 diode and 1 inductor.
It belongs with the power & battery designs in this gallery.
From the project
XL4015 buck converter prototype: 8–30 V DC input to regulated 5 V USB-A output
An amateur/prototype DC-DC buck converter that provides a 5 V USB-A output from an 8–30 V DC input.
This project is a PCB prototype developed by an Electrical and Electronics Engineering student for learning, design practice, and open-source sharing. The XL4015-based circuit steps a higher DC input voltage down to a regulated 5 V level suitable for a USB-A power output.
Main components on the Buck converter
Buck converter bill of materials (BOM)
11 components, 11 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | XL4015 | TO-263-5_TabPin3 | U1 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1 |
| 1 | USB_A | USB_A_Molex_67643_Horizontal | J2 |
| 1 | SS54 | D_SMC | D1 |
| 1 | 47 µH | L_12x12mm_H6mm | L1 |
| 1 | 10 µF/50v | C_0805_2012Metric | C1 |
| 1 | 220 µF / 50V | CP_Radial_D8.0mm_P3.50mm | C2 |
| 1 | 470 µF | CP_Radial_D8.0mm_P3.50mm | C3 |
| 1 | 1 uF | C_0805_2012Metric | C4 |
| 1 | 3.3k ohm | R_0805_2012Metric | R1 |
| 1 | 1.1k ohm | R_0805_2012Metric | R2 |
Buck converter design files
The KiCad project lives in the hasanberkdasar/Buck-converter repository on GitHub; these links point at the commit this page was built from.
- LayoutBuck converter.kicad_pcb
- SchematicBuck converter.kicad_sch
- BOMREADME.md
Buck converter: common questions
How big is the Buck converter PCB?
The Buck converter measures 77.1 × 29.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Buck converter?
11 components, from 11 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Buck converter design files?
From the hasanberkdasar/Buck-converter repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Buck converter design in my own project?
Yes, under the terms of its MIT license, which hasanberkdasar chose for the repository.
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