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4 layers25 × 25 mm12VBuckBoost, the printed circuit board in 3D

A 12V input, variable output, programmable BuckBoost Converter

Size
25 × 25 mm
Copper layers
4
Thickness
1.6 mm
Parts
18
Nets
20
Pads
63
Tracks, vias
19, 0
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
19 Apr 2025
Updated
24 Apr 2025

Overview

12VBuckBoost is an open-source printed circuit board by Fortinbra, from the Fortinbra/12VI2CBuckBoost repository on GitHub, published under the MIT licence. It is a 4-layer board of 25 × 25 mm with 18 parts on 20 nets, routed with 19 tracks and 0 vias.

It is built around the TPS55289RYQR. Its parts include 10 capacitors, 5 resistors, 1 IC, 1 connector and 1 inductor.

Main components

1

README

README.md

12VI2CBuckBoost

A 12V input, variable output, programmable BuckBoost Converter

Parts

18
QtyValueFootprintReferences
34.7kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2, R5
20.1uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C2
222uF X7RCapacitor_SMD:C_1210_3225Metric_Pad1.33x2.70mm_HandSolderC3, C12
2330uFZKU Capacitors:CAP_ZKU_F_PANC13, C14
247uFCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC4, C5
110mResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR4
122uFCapacitor_SMD:C_1210_3225Metric_Pad1.33x2.70mm_HandSolderC11
13.3uHInductor:IND_SRP6530A_BRNL1
14.7uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC6
149.9kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR3
1Conn_02x05_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_VerticalJ1
1TPS55289RYQRTPS55289:RYQ0021A-MFGU1

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Questions

How big is the 12VBuckBoost PCB?

It measures 25 × 25 mm and has 4 copper layers, 1.6 mm thick.

What parts does the 12VBuckBoost use?

18 parts, built around the TPS55289RYQR. 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 12VBuckBoost KiCad files?

From the Fortinbra/12VI2CBuckBoost repository on GitHub, at the commit this page was made from: the board is 12VBuckBoost.kicad_pcb and its schematic 12VBuckBoost.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the 12VBuckBoost design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).