4 layers22.5 × 44 mm
Power supply
jrseti/dishy1pi
Satellite dish motor control for Raspberry Pi, hardware and software
20 partsMIT
4 layers24.6 × 33.1 mm
Power supply2
jrseti/dishy1piSatellite dish motor control for Raspberry Pi, hardware and software
- Size
- 24.6 × 33.1 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 14
- Pads
- 54
- Tracks, vias
- 58, 77
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 20 Sep 2025
- Updated
- 28 Mar 2026
Overview
Power supply2 is an open-source printed circuit board by jrseti, from the jrseti/dishy1pi repository on GitHub, published under the MIT licence. It is a 4-layer board of 24.6 × 33.1 mm with 21 parts on 14 nets, routed with 58 tracks and 77 vias.
It is built around the MP2322GQH-Z, 1812L110/33MR and DC-005-2.5A-2.0, with the KF2EDGR-2.54-4P, SMBJ16A and SMBJ18A among its other parts. Its parts include 9 capacitors, 3 resistors, 3 diodes, 1 IC and 1 connector.
Main components
8
MP2322GQH-Z
QFN-8(1.5x2)-40℃~+125℃@(TJ) 1 1.25MHz 1A 3V~22V 5uA 600mV~12V Adjustable Buck Built-in Overcurrent Protection、Light load efficient mode、Output discharge、Operating status indication、Hiccup current limiting、Built-in LDO regulator、EMI optimization (spread spectrum) Step-down type Yes QFN-8(1.5x2) DC-DC Converters ROHSMonolithic Power SystemsDC-DC Converters
1812L110/33MR
1812-40℃~+85℃ 1.1A 1.95A 200mΩ 20A 2mm 3.41mm 33V 4.73mm 500ms 60mΩ 800mW 1812 Resettable Fuses ROHSLittelfuseResettable Fuses
DC-005-2.5A-2.0
插件-20℃~+70℃ 2mm 6.2mm DC Power Jack Panel Mount 插件 DC Power Connectors ROHSXKB ConnectionDC Power Connectors
KF2EDGR-2.54-4P
弯插,P=2.54mm-40℃~+105℃ 1 130V 1x4P 2.54mm 4 4P 5A Board Side/Socket - Closed Green Right-Angle 弯插,P=2.54mm Pluggable System Terminal Block ROHSCixi Kefa ElecPluggable System Terminal Block
SMBJ16A
DO-214AA(SMB)16V 19.7V 23.08A 26V 5uA 600W@10/1000us IEC 61000-4-2 TVS Unidirectional DO-214AA(SMB) ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)SMBJ18A
SMB-65℃~+150℃ 18V 1uA 20.6A 22.1V 29.2V 390pF 600W@10/1000us TVS SMB ESD and Surge Protection (TVS/ESD) ROHSShandong Jingdao MicroelectronicsESD And Surge Protection (TVS/ESD)
SS-12F49-G050
插件,12.1x5.9mm-25℃~+70℃ 10000 times 12.1mm 14mm 1A 24V 5.9mm Black PC Pin Rectangular Columnar SPDT Through Hole 插件,12.1x5.9mm Slide Switches ROHSG-SwitchSlide Switches
SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
README
README.mddishy1pi
Satellite dish motor control for Raspberry Pi, hardware and software
This project was developed in Windows 11 with Python 3.12.
[blocked]
Prerequisites
It is suggested to create a Python3 virtual environment for this project. Here is how:
- From the project root directory "python3 -m venv venv"
- .\venv\Scripts\activate (Note: this command will be a bit different on Linux or MacOS)
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10uF | PCM_JLCPCB:C_0603 | C11, C111 |
| 1 | 1.62K | PowerSupply:R0603 | R1 |
| 1 | 100nF | PowerSupply:C0603 | C9 |
| 1 | 100nF | PCM_JLCPCB:C_0603 | C1 |
| 1 | 1812L110/33MR | PowerSupply:F1812 | F1 |
| 1 | 1uF | PCM_JLCPCB:C_0402 | C4 |
| 1 | 200kΩ | PCM_JLCPCB:R_0603 | R3 |
| 1 | 220Ω | PCM_JLCPCB:R_0603 | R2 |
| 1 | 22pF | PCM_JLCPCB:C_0402 | C3 |
| 1 | 22pF | PCM_JLCPCB:C_0603 | C5 |
| 1 | 22uF | PCM_JLCPCB:C_0805 | C2 |
| 1 | 4.7uH | PowerSupply:IND-SMD_L3.0-W3.0-1 | L1 |
| 1 | 47uF | PowerSupply:C1206 | C8 |
| 1 | DC-005-2.5A-2.0 | PowerSupply:CONN-TH_DC-005-2.5A-2.0 | DC1 |
| 1 | KF2EDGR-2.54-4P | PowerSupply:CONN-TH_4P-P2.54_KF2EDGR-2.54-4P | CN1 |
| 1 | MP2322GQH-Z | PowerSupply:QFN-8_L2.0-W1.5-P0.50-BL | U1 |
| 1 | SMBJ16A | PCM_JLCPCB:D_SMB | D5 |
| 1 | SMBJ18A | PowerSupply:SMB_L4.6-W3.6-LS5.3-RD | D3 |
| 1 | SS-12F49-G050 | PowerSupply:SW-TH_SS-12F45-GXXX | SW1 |
| 1 | SS34 | PowerSupply:SMA_L4.3-W2.6-LS5.2-RD | D1 |
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Questions
How big is the Power supply2 PCB?
It measures 24.6 × 33.1 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Power supply2 use?
21 parts, built around the MP2322GQH-Z, 1812L110/33MR, DC-005-2.5A-2.0 and KF2EDGR-2.54-4P. 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 supply2 KiCad files?
From the jrseti/dishy1pi repository on GitHub, at the commit this page was made from: the board is hardware/power_supply2/power_supply2/power_supply2.kicad_pcb and its schematic hardware/dishy1pi/DishyPi1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Power supply2 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).