APX USB HUB

A 4-port USB 2.0 hub with per-port fault indication (PTC + LEDs).

About • Structure • Schematic • PCB • CAD • BOM • License • Contributing • Credits

Check out the demo video on YouTube

About the Project

APX USB HUB is a 4-port USB hub designed with per-port fault indication: a PTC fuse helps protect the board in case of a short circuit, and LEDs help identify which port is causing issues.

Features

• 4 USB ports
• PTC protection to help limit current during short circuits
• Status LEDs to quickly identify the faulty port

Repository Structure

• src/easyeda/ - EasyEDA project sources
• production/ for fabrication outputs
• production/pcb/ - PCB fabrication files (Gerbers, BOM, Pick & Place)
• production/cad/ - 3D-printing files (.3mf)
• src/cad/ - mechanical CAD sources
• images/ - images used in the README and documentation

Schematic on EasyEDA

Source : src/easyeda/schem/

PCB on EasyEDA

Source : src/easyeda/pcb/

CAD

The entire product - render

• source: src/cad/

Parts to 3D print - render

• source: production/cad/

Bill of Materials

Source: production/pcb/bom.csv

ID	Name	Designator	Footprint	Quantity	Manufacturer Part	Manufacturer	Supplier	Supplier Part	Price	Pins
1	10uF	C1,C2,C3,C4,C5,C6,C7	C0603	7	CL10A106KP8NNNC	SAMSUNG(三星)	LCSC	C19702	0.008	2
2	NSR0320MW2T1G	D1	SOD-323_L1.8-W1.3-LS2.5-RD	1	NSR0320MW2T1G	onsemi(安森美)	LCSC	C48192	0.118	2
3	SMD1206P050TF	F1,F2,F3,F4	F1206	4	SMD1206P050TF	RUILON(瑞隆源)	LCSC	C20799	0.08	2
4	19-21/BHC-AN1P2/4T	L1,L2,L3,L4	LED0603-R-RD	4	19-21/BHC-AN1P2/4T	EVERLIGHT(亿光)	LCSC	C2986002	0.069	2
5	1kΩ	R1,R2,R3,R4	R0805	4	RC0805FR-071KL	YAGEO(国巨)	LCSC	C95781	0.003	2
6	SL2.1A	U1	SOP-16_L10.0-W3.9-P1.27-LS6.0-BL	1	SL2.1A	CoreChips(和芯润德)	LCSC	C192893	0.235	16
7	U-G-04DD-W-01	USB1	USB-A-TH_U-G-04WD-W-01	1	U-G-O4DD-W-1	韩国韩荣	LCSC	C98125	0.112	6
8	USB-AF-90-14.4X13.6-H7.0-DIP	USB2,USB3,USB4,USB5	USB-A-TH_C46407	4	903-131A1011D10100	精拓金	LCSC	C46407	0.048	6

License

This project is licensed under the MIT License, see the LICENSE file for details.

Contributing

Contributions, improvements, and remixes are welcome! Please read the CONTRIBUTING.md guide to get started.

Credits

This project uses:

• EasyEDA - PCB design and schematic capture
• PCBWAY - PCB manufacturing and assembly
• Figma - Silkscreen and banner design
• Fusion 360 - CAD modeling and render
• @NotARoomba - Readme template