USB-I2C-BRIDGE
Jana-Marie·USB-I2C-BRIDGE
About the USB-I2C-BRIDGE PCB
USB-I2C-BRIDGE is an open source PCB design by Jana-Marie, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 37.6 × 16.1 mm, with 17 components from 10 distinct parts.
Other key parts include the USBLC6-4 and CP2112. By type, the board carries 6 capacitors, 4 resistors, 3 connectors, 2 ICs, 1 switch and 1 diode.
From the project
CP2112 based USB I2C bridge

Main components on the USB-I2C-BRIDGE
USB-I2C-BRIDGE bill of materials (BOM)
17 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USBLC6-4 | SOT-23-6 | U1 |
| 1 | CP2112 | QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U2 |
| 1 | USB | USB-C 16Pin | J1 |
| 1 | TC | IDC-Header_2x03_P2.54mm_Vertical_center | J2 |
| 1 | PINH | PinHeader_1x06_P2.54mm_Vertical_center | J3 |
| 1 | VIO_SW | SW_SPDT_PCM12 | SW1 |
| 1 | PWR | LED_0603_1608Metric | D1 |
| 3 | 4u7 | C_0805 | C1, C2, C3 |
| 3 | 100n | C_0402 | C4, C5, C6 |
| 4 | 5k1 | R_0402 | R1, R2, R3, R4 |
USB-I2C-BRIDGE design files
The KiCad project lives in the Jana-Marie/USB-I2C-BRIDGE repository on GitHub; these links point at the commit this page was built from.
- LayoutUSB-I2C-BRIDGE.kicad_pcb
- SchematicUSB-I2C-BRIDGE.kicad_sch
USB-I2C-BRIDGE: common questions
How big is the USB-I2C-BRIDGE PCB?
The USB-I2C-BRIDGE measures 37.6 × 16.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the USB-I2C-BRIDGE?
17 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the USB-I2C-BRIDGE design files?
From the Jana-Marie/USB-I2C-BRIDGE repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the USB-I2C-BRIDGE design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which Jana-Marie chose for the repository.