2 layers
2 layers25 × 45 mm
2bucks
notthetup/2bucksA simple PCB with 2 DCDC (buck) regulators
- Size
- 25 × 45 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 7
- Nets
- 4
- Pads
- 16
- Tracks, vias
- 12, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 20 Oct 2023
- Updated
- 20 Oct 2023
Overview
2bucks is an open-source printed circuit board by notthetup, from the notthetup/2bucks repository on GitHub. It is a 2-layer board of 25 × 45 mm with 7 parts on 4 nets, routed with 12 tracks and 0 vias.
It is built around the K7805-500R3 and K7812-500R3. Its parts include 3 connectors, 2 capacitors and 2 ICs. It belongs with the power boards of this library.
Main components
2README
README.md2bucks 💰
A simple PCB with 2 DCDC (buck) regulators
Description
This PCB solves the requirement for having 2 low-power lower voltage power rails generated from a higher voltage (usually 24V) rails for testing small project. Instead of sticking multiple small DC-DC modules which makes cabling a mess, I thought it would be simpler to make a quick PCB.
The PCB is designed to be as small as possible, and I also forgot to add any mounting holes. Oops!
It uses screw termnials for input and output It currently targets the MornSun SIP DC-DC modules, but it can be easily used with other 3-pin SIP DC-DC modules.
I originally created this in EasyEDA just to see how easy it is, but I am trying to moving to KiCad. I have included the EasyEDA files in the easyeda folder, and the original is published at oshwlab
I also played with paneling of the PCBs using JLCPCB to see how they come out.
Images
Parts
7| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | MX126-5.0-GN01-02P-CU-S-A | easyeda:CONN-TH_2P-P5.00_MX126-5.0-GN01-02P-CU-S-A | CN1, CN2, CN3 |
| 2 | 100uF | easyeda:CAP-TH_BD6.3-P2.50-D1.0-FD | C1, C2 |
| 1 | K7805-500R3 | easyeda:PWRM-TH_K78XX-500R3 | U1 |
| 1 | K7812-500R3 | easyeda:PWRM-TH_K78XX-500R3 | U2 |
Questions
How big is the 2bucks PCB?
It measures 25 × 45 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 2bucks use?
7 parts, built around the K7805-500R3 and K7812-500R3. 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 2bucks KiCad files?
From the notthetup/2bucks repository on GitHub, at the commit this page was made from: the board is 2bucks.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the 2bucks design in my own project?
Its repository states no licence, so its author keeps all rights: ask notthetup before reusing the design.
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