4 layers75 × 57 mm
4 layers70 × 45 mm
USB Power Injector 4 Layer V1.0
Board-Outline/USB-Power-Injector9The USB Power Injector allows a convenient way to power up USB 2.0 devices from a lab power supply, while still allowing data transfer from the device to the host.
- Size
- 70 × 45 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 11
- Nets
- 5
- Pads
- 24
- Tracks, vias
- 27, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 20 Aug 2022
- Updated
- 3 Apr 2023
Overview
USB Power Injector 4 Layer V1.0 is an open-source printed circuit board by Board-Outline, from the Board-Outline/USB-Power-Injector repository on GitHub. It is a 4-layer board of 70 × 45 mm with 11 parts on 5 nets, routed with 27 tracks and 0 vias.
It is built around the SS-52100-001 and UJ2-BH-1-TH. Its parts include 4 connectors and 2 capacitors. It belongs with the power boards of this library.
Main components
2README
README.mdUSB Power Injector
The USB Power Injector allows a convenient way to power up USB 2.0 devices from a lab power supply, while still allowing data transfer from the device to the host.
The problem
When powering devices from a standard USB 2.0 port, either from a PC or from a standard USB hub, you never have the niceties that an adjustable lab style power supply has. During development that means you can’t set precise voltage and current limits. In the best case scenario, that means you can’t test under/over voltage protections. In the worst case, you run excessive current trough your device and you don’t even know that’s happened. USB hubs tend to have overcurrent protection, but most don’t send the overcurrent event to the operating system. That can cause confusion and loss of time for a hardware engineer during development or to testing personnel during production.
Open Source Certified
The USB Power Injector is officially certified by the Open Source Hardware Association, with certificate number BG000082.
The project was made using KiCad.
License
The project is released under the Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0).
Note: This is a human-readable summary of (and not a substitute for) the license.
Parts
11| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole M3 | MountingHole:MountingHole_3.2mm_M3_ISO7380 | H1, H2, H3, H4 |
| 2 | N.F. | Capacitor_SMD:C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C1, C2 |
| 1 | Black Banana Jack | USB_Power_Injector:4mm_Banana_Jack_Black_Deltron_571-0100 | J2 |
| 1 | LOGO | LOGO | G*** |
| 1 | Red Banana Jack | USB_Power_Injector:4mm_Banana_Jack_Red_Deltron_571-0500 | J1 |
| 1 | USB_A | USB_Power_Injector:USB_A_CONNFLY_DS1095-WNR0 | J4 |
| 1 | USB_B | USB_Power_Injector:USB_B_OST_USB-B1HSxx_Horizontal | J3 |
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Questions
How big is the USB Power Injector 4 Layer V1.0 PCB?
It measures 70 × 45 mm and has 4 copper layers, 1.61 mm thick.
What parts does the USB Power Injector 4 Layer V1.0 use?
11 parts, built around the SS-52100-001 and UJ2-BH-1-TH. 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 USB Power Injector 4 Layer V1.0 KiCad files?
From the Board-Outline/USB-Power-Injector repository on GitHub, at the commit this page was made from: the board is Hardware/USB_Power_Injector_V1.0/USB_Power_Injector_4_Layer_V1.0.kicad_pcb and its schematic Hardware/USB_Power_Injector_V1.0/USB_Power_Injector_V1.0.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the USB Power Injector 4 Layer V1.0 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Board-Outline before reusing the design.