4 layers26 × 30 mm
Day 03 ECG SPO2
i2cjak/Framework_Expansion_Cards
In which i2cjak creates a new expansion card design every day until he is given a NICE Framework laptop
39 parts95CERN-OHL-P-2.0
4 layers26 × 46.5 mm
Day 02 Four Port USB C
i2cjak/Framework_Expansion_Cards95In which i2cjak creates a new expansion card design every day until he is given a NICE Framework laptop
- Size
- 26 × 46.5 mm
- Copper layers
- 4
- Thickness
- 0.8 mm
- Parts
- 54
- Nets
- 50
- Pads
- 262
- Tracks, vias
- 673, 89
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 28 Apr 2026
- Updated
- 6 May 2026
Overview
Day 02 Four Port USB C is an open-source printed circuit board by i2cjak, from the i2cjak/Framework_Expansion_Cards repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 4-layer board of 26 × 46.5 mm with 54 parts on 50 nets, routed with 673 tracks and 89 vias.
It is built around the CH334F, D3V3XA4B10LP and TPS22810DRV. Its parts include 16 capacitors, 9 resistors, 8 transistors, 5 diodes and 5 connectors.
Main components
3
CH334F
QFN-24(4x4)-40℃~+85℃ 0.4mA 3.3V、5V 4 480Mbps 85mA Hub I2C USB 2.0 QFN-24(4x4) USB HUB Controllers ROHSWCH (Nanjing Qinheng Microelectronics)USB HUB Controllers
D3V3XA4B10LP
UDFN2510-10-55℃~+150℃ 0.35pF 1uA 24W@8/20us 3.3V 4A@8/20us 9.4V 9V ESD Four channels IEC 61000-4-2、IEC 61000-4-5 UDFN2510-10 ESD and Surge Protection (TVS/ESD) ROHSDiodes IncorporatedESD And Surge Protection (TVS/ESD)
TPS22810DRV
WSON-6-EP(2x2)-40℃~+105℃ 1 2.7V~18V 3A 79mΩ Active High Load Switch Undervoltage Protection(UVP)、Over Temperature Protection WSON-6-EP(2x2) Power Distribution Switches ROHSTexas InstrumentsPower Distribution Switches
README
Template/README.mdAmerican Embedded KiCad Template
This repository contains a KiCad project template provided by American Embedded. It is designed to be a starting point for new electronic designs, pre-configured with common settings, layers, and manufacturing outputs.
Features
- Manufacturing Outputs: Includes a
Build.kicad_jobsetfile for generating common manufacturing data for JLCPCB, NextPCB - Build Script: A
build.shscript is provided to automate the process of running the jobset and formatting the component placement file.
Usage
Use this repository as a template directly in KiCad.
- In the KiCad project manager, select File > New Project from Template...
- Navigate to the directory containing this repository.
- KiCad will prompt for a project name and handle all file renaming automatically.
- You can then begin your design work as usual.
Building
To generate all the output files, run the provided shell script:
./build.shThis script will:
- Execute the KiCad CLI to run the jobs defined in
Build.kicad_jobset. - Place all generated files into the
build/directory. - Convert the raw component placement file into supported format
The Build.kicad_jobset is configured to output:
- ERC and DRC reports
- PDF of the schematic
- BOMs for JLCPCB and NextPCB
- Gerbers and drill files (in a zip archive)
- 3D model (STEP file)
- Component position files
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 47uF | amemb-Capacitor_SMD:amemb-C_0805_2012Metric_L | C1, C2, C3, C4, C6, C7, C8, C9, C10, C11, C12, C13 |
| 8 | 56kR | amemb-Resistor_SMD:amemb-R_0402_1005Metric_L | R2, R3, R4, R5, R6, R7, R8, R9 |
| 8 | Q_PMOS_GSD | Package_DFN_QFN:Diodes_DFN1006-3 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 5 | TVS | Diode_SMD:D_SOD-882 | D1, D2, D3, D4, D5 |
| 4 | 500mA | Fuse:Fuse_0402_1005Metric | F1, F2, F3, F4 |
| 4 | USB_C_Receptacle_USB2.0_14P | Framework_Shilling_Library:SAMESKY_UJ20-C-R-G-TH-P14 | J2, J3, J4, J5 |
| 2 | 10uF | amemb-Capacitor_SMD:amemb-C_0402_1005Metric_L | C5, C16 |
| 2 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2 |
| 1 | 1uF | amemb-Capacitor_SMD:amemb-C_0402_1005Metric_L | C14 |
| 1 | 2.5A | Fuse:Fuse_0805_2012Metric | F5 |
| 1 | 47nF | amemb-Capacitor_SMD:amemb-C_0402_1005Metric_L | C15 |
| 1 | 5.1kR | amemb-Resistor_SMD:amemb-R_0402_1005Metric_L | R1 |
| 1 | CH334F | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm_ThermalVias | U2 |
| 1 | D3V3XA4B10LP | Package_DFN_QFN:Diodes_UDFN-10_1x2.5mm_P0.5mm | U1 |
| 1 | TPS22810DRV | Package_SON:WSON-6-1EP_2x2mm_P0.65mm_EP1x1.6mm | U4 |
| 1 | USB_C_Plug_USB2.0 | Expansion_Card:USB_C_Plug_Amphenol_12401981E412A | J1 |
| 1 | ~ | amemb-Symbol:NextPCB | LOGO1 |
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Questions
How big is the Day 02 Four Port USB C PCB?
It measures 26 × 46.5 mm and has 4 copper layers, 0.8 mm thick.
What parts does the Day 02 Four Port USB C use?
54 parts, built around the CH334F, D3V3XA4B10LP and TPS22810DRV. 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 Day 02 Four Port USB C KiCad files?
From the i2cjak/Framework_Expansion_Cards repository on GitHub, at the commit this page was made from: the board is Day_02_Four_Port_USB_C/Day_02_Four_Port_USB_C.kicad_pcb and its schematic Day_01_Wi-Fi-HaLow/Day_01_Wi-Fi-Halow.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Day 02 Four Port USB C design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).