

Power selector dev
PCB designs
- Size
- 32 × 32 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 22
- Pads
- 128
- Tracks, vias
- 217, 56
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 22 Mar 2024
- Updated
- 11 Sep 2026
Overview
Power selector dev is an open-source printed circuit board by smkent, from the smkent/pcb repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 32 × 32 mm with 38 parts on 22 nets, routed with 217 tracks and 56 vias.
It is built around the AO3401A, 1N5819WT and PDNM6ET20V05. Its parts include 8 resistors, 7 diodes, 6 transistors and 6 connectors.
Main components
3AO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs1N5819WT
SOD-5232A 350mA 40V 5uA@30V 600mV@200mA Standalone SOD-523 Schottky Diodes ROHSSlkorSchottky DiodesPDNM6ET20V05
SOT-563-55℃~+150℃ 1.64nC@4.5V 2 N-Channel 20V 28pF 290mΩ@4.5V 300mW 500mA 50pF 650mV 9pF SOT-563 MOSFETs ROHSShanghai Prisemi ElecMOSFETs
README
README.mdPCB designs
A monorepository of my PCB designs created with KiCAD 8.
Layout and Workflow
Custom symbols and footprints are located in libraries, which
is shared between PCB projects using ${KIPRJMOD}.
Individual PCB projects (e.g. *.kicad_pro and friends) are located within
within pcb for active projects, or
pcb-archived for archived projects.
When a PCB is ordered from a project, fabrication outputs are created and
in the project's fab subdirectory and committed to the repository.
Setup
Ensure pipx is installed:
pip install pipxInstall scons:
pipx install sconsInstall KiCAD-related dependencies using the system site packages directory:
pipx install --system-site-packages kikit interactivehtmlbomBuild
To render all outputs, simply run scons.
To render outputs for a particular board, run scons -u within that board's
project subdirectory.
Licenses
Individual hardware designs in this repository may use different licenses. The following licenses apply unless an included design directory specifies different license(s).
- Hardware materials and designs are licensed under CERN Open Hardware License version 2.0 Permissive (CERN-OHL-P v2) (text). The version control history of this repository serves as the changes file.
- Software is licensed under the GNU General Public License v3.0 (GPL-3.0) (text)
- All documentation is licensed under Creative Commons Attribution-ShareAlike 4.0 International (CC-BY-SA-4.0) (text)
The lcsc KiCAD symbols,
footprints, and 3D models
libraries were created using easyeda2kicad
(pypi), which are from LCSC. More info about
easyeda2kicad
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 5K1 | Resistor_SMD:R_0603_1608Metric | R2, R3, R4, R5, R6 |
| 5 | LED | discrete:LED_0603_1608Metric | LED1, LED2, LED3, LED4, LED5 |
| 4 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q2, Q3, Q4, Q5 |
| 2 | 10K | discrete:R_Array_Convex_4x0402 | RN2, RN3 |
| 2 | 1N5819WT | package:D_SOD-523 | D1, D2 |
| 2 | 5K1 | Resistor_SMD:R_0402_1005Metric | R7, R8 |
| 2 | PDNM6ET20V05 | Package_TO_SOT_SMD:SOT-563 | Q1, Q6 |
| 2 | Pin headers | custom:PinHeader_1x02_P2.54mm_Vertical_simple | J5, J6 |
| 1 | 10K | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 5K36 | Resistor_SMD:R_Array_Convex_2x0402 | RN1 |
| 1 | Barrel_Jack_Switch | connector:BarrelJack_DC-050_SMT_Horizontal | J2 |
| 1 | JST PH | connector:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_Horizontal | J4 |
| 1 | JST PH | connector:JST_PH_S4B-PH-SM4-TB_1x04-1MP_P2.00mm_Horizontal | J3 |
| 1 | LOGO | graphics:wa-state-heart-8mm | G*** |
| 1 | LOGO | graphics:wa-state-heart-3mm | G*** |
| 1 | USB_C_Receptacle_PowerOnly_6P | connector:USB_C_Receptacle_GCT_USB4125-xx-x_6P_TopMnt_Horizontal_HandSolder | J1 |
The 32 most common of 38 parts.
Questions
How big is the Power selector dev PCB?
It measures 32 × 32 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Power selector dev use?
38 parts, built around the AO3401A, 1N5819WT and PDNM6ET20V05. 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 Power selector dev KiCad files?
From the smkent/pcb repository on GitHub, at the commit this page was made from: the board is pcb/stackable3/power-selector-dev/power-selector-dev.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Power selector dev design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
More from smkent/pcb
12- 2 layers100 × 66 mm

- 2 layers82 × 40 mm

- 2 layers100 × 32 mm

- 2 layers40 × 40 mm

- 2 layers40 × 40 mm

- 2 layers66 × 32 mm

- 2 layers69 × 20 mm

- 2 layers16 × 32 mm

- 2 layers110 × 44 mm

- 2 layers66 × 32 mm

- 2 layers40 × 40 mm

- 2 layers66 × 32 mm

Similar boards
- 4 layers12.2 × 50.4 mm

Compass v1
mszkowalik/7S_Compass_v1_board
BLE Long range + mesh? https://github.com/jnsbyr/nrf52-ble-test
146 parts - 2 layers100 × 100 mm

Aaram
xicor22/Aaram
PCB design for retro fitting old switch boards with new tech to control it remotely.
77 partsGPL-3.0 - 2 layers192.2 × 150.5 mm

- 4 layers102.9 × 96.7 mm

PicoGUS chipdown
polpo/picogus
Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support
99 parts805 - 6 layers237.9 × 80.5 mm

XG Mobile Dock
osy/XG_Mobile_Station
Open source eGPU dock for ROG Ally and ROG Flow
300 parts712CC-BY-4.0 - 2 layers60 × 111.3 mm

Silkscreen pcb
iandchasse/silkscreen-pcb
Silkscreen: open-hardware ESP32-S3 e-paper reader mainboard (KiCad 9). Formerly the de-link hub.
189 parts589CERN-OHL-S-2.0 - 2 layers89.2 × 82.6 mm

Desktop 50 Pin TopConn
BlueSCSI/BlueSCSI-v2
BlueSCSI v2/Ultra - an open source, open hardware, SCSI emulator using the Pi Pico PR2040 and Pico 2 RP2350
108 parts459GPL-3.0 - 4 layers55 × 55 mm

RBoard
pms67/LittleBrain-STM32F4-Sensorboard
STM32F4-based PCB interfacing with a variety of sensors.
90 parts339