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Power buck converter

MurariDamera·power-buck-converter

Power buck converter PCB layout, top view — open source board by MurariDamera

About the Power buck converter PCB

Power buck converter is an open source PCB design by MurariDamera, published on GitHub. It is a 2-layer board measuring 71 × 45 mm, with 8 components from 8 distinct parts.

Other key parts include the LM2596T-5. By type, the board carries 3 capacitors, 2 connectors, 1 IC, 1 diode and 1 inductor.

It belongs with the power & battery designs in this gallery.

From the project

12V-to-5V LM2596 buck converter — full KiCad schematic and PCB layout.

me · MD # LM2596 Buck Converter — 12 V → 5 V

A fixed-output 5 V step-down (buck) converter built around the LM2596T-5.0 switching regulator, designed in KiCad 10. Two-layer through-hole board, 71 × 45 mm, with ground pours on both layers and four M3 mounting holes.

This is a prototype design reproduced from a LM2596 design guide. It passes KiCad's electrical and design-rule checks, and the power stage has been verified in LTspice against TI's transient model (see Simulation) — but it has not been prototyped or thermally tested. See Operating limits before building.

Main components on the Power buck converter

LM2596T-5

Power buck converter bill of materials (BOM)

8 components, 8 distinct parts.

QtyPartRefs
1
LM2596T-5
U1
1
12V INPUT
J1
1
5V OUTPUT
J2
1
1N5822
D1
1
33uH / Isat >= 3.5A
L1
1
680uF / 35V
C1
1
100nF / 50V
C2
1
220uF / 25V
C3

Power buck converter design files

The KiCad project lives in the MurariDamera/power-buck-converter repository on GitHub; these links point at the commit this page was built from.

Power buck converter: common questions

How big is the Power buck converter PCB?

The Power buck converter measures 71 × 45 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Power buck converter?

8 components, from 8 distinct parts. The full bill of materials is listed on this page.

Where can I download the Power buck converter design files?

From the MurariDamera/power-buck-converter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Power buck converter design in my own project?

The repository has no license, so all rights stay with MurariDamera. Use it as a reference, and ask the author before reusing the design.

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