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2 layers12 V regulator, the printed circuit board in 3D

12 V regulator

khikidman/CUASC2027
Copper layers
2
Thickness
1.6 mm
Parts
5
Nets
4
Pads
18
Tracks, vias
19, 0
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
12 Oct 2026
Updated
3 Nov 2026

Overview

12 V regulator is an open-source printed circuit board by khikidman, from the khikidman/CUASC2027 repository on GitHub. It is a 2-layer board with 5 parts on 4 nets, routed with 19 tracks and 0 vias.

It is built around the LM2596S-12. Its parts include 2 capacitors, 1 IC, 1 diode and 1 inductor. It belongs with the power boards of this library.

Main components

1

Parts

5
QtyValueFootprintReferences
1C_PolarizedCapacitor_SMD:CP_Elec_10x10.5C4
1C_PolarizedCapacitor_SMD:CP_Elec_8x10.5C3
1D_SchottkyDiode_SMD:D_SMCD1
1LInductor_SMD:L_12x12mm_H8mmL1
1LM2596S-12Package_TO_SOT_SMD:TO-263-5_TabPin3U1

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Questions

What parts does the 12 V regulator use?

5 parts, built around the LM2596S-12. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the 12 V regulator KiCad files?

From the khikidman/CUASC2027 repository on GitHub, at the commit this page was made from: the board is KiCAD/22v2_power_distribution_board/12 V regulator/12 V regulator.kicad_pcb and its schematic KiCAD/22v2_power_distribution_board/12 V regulator/12 V regulator.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the 12 V regulator design in my own project?

Its repository states no licence, so its author keeps all rights: ask khikidman before reusing the design.