Usb3-fiber
About the Usb3-fiber PCB
Usb3-fiber is an open source PCB design by ringof, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 75 × 40 mm, with 53 components from 22 distinct parts.
Other key parts include the MCP2221AT-I/ML, DS100BR111SQE/NOPB and LD1086D2T33TR. By type, the board carries 21 capacitors, 18 resistors, 5 connectors, 3 ICs, 3 diodes and 2 inductors.
It belongs with the rf & radio designs in this gallery.
From the project
USB3-to-fiber converter — KiCad 8.0 PCB design
USB3 SuperSpeed carried over an optical fiber link, using a DS100BR111 redriver into a 10GbE SR SFP+ optical module. A single symmetric PCB serves both ends of the link — host-side and remote-side roles are selected by jumpers. The MCP2221A provides the SFP+ management (I²C) interface and GPIO for TXDISABLE / RXLOS. No microcontroller, no firmware, no EEPROM.
Main components on the Usb3-fiber
Usb3-fiber bill of materials (BOM)
53 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP2221AT-I/ML Microchip | QFN16_ML_MCH | U1 |
| 1 | DS100BR111SQE/NOPB Texas Instruments | RTW24_2P6X2P6_TEX | U2 |
| 1 | LD1086D2T33TR | D2PAK_STM | U4 |
| 1 | MMBT3906 | SOT-23 | Q1 |
| 1 | U77A16382001 Amphenol | AMPHENOL_U77A16382001 | J1 |
| 1 | UE76A202000T Amphenol | AMPHENOL_UE76A202000T | J2 |
| 1 | 10118194-0001LF Amphenol | AMPHENOL_10118194-0001LF | J3 |
| 1 | GSB4211311WEU Amphenol | AMPHENOL_GSB4211311WEU | J4 |
| 1 | GSB3111311HR | AMPHENOL_GSB3111311HR | J5 |
| 1 | LTST-C190EKT Red Lite-On | LED_0603_1608Metric | D1 |
| 2 | LTST-C190GKT Green Lite-On | LED_0603_1608Metric | D2, D3 |
| 2 | BLM18KG601SN1D 600Ω@100MHz Murata | L_0603_1608Metric | FB1, FB2 |
| 8 | CC0402KRX5R6BB104 100nF Yageo | C_0402_1005Metric | C1, C2, C4, C5, C12, C13, C15, C16 |
| 6 | CC0805KKX7R7BB106 10uF Yageo | C_0805_2012Metric | C3, C6, C8, C17, C20, C21 |
| 5 | CC0603KRX7R6BB104 100nF Yageo | C_0603_1608Metric | C7, C9, C10, C14, C19 |
| 2 | CC0603KRX7R7BB104 100nF Yageo | C_0603_1608Metric | C11, C18 |
| 1 | RC0603FR-0756RL 56 Yageo | R_0603_1608Metric | R1 |
| 7 | RC0603FR-071KL 1K Yageo | R_0603_1608Metric | R2, R10, R11, R12, R13, R14, R15 |
| 6 | RC0603FR-0710KL 10K Yageo | R_0603_1608Metric | R3, R4, R5, R6, R16, R18 |
| 2 | RC0603FR-074K7L 4.7K Yageo | R_0603_1608Metric | R8, R9 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RC0603FR-07560RL 560 Yageo | R_0603_1608Metric | R17 |
| 1 | RC0603FR-0768RL 68 Yageo | R_0603_1608Metric | R19 |
Usb3-fiber design files
The KiCad project lives in the ringof/usb3-fiber repository on GitHub; these links point at the commit this page was built from.
- Layoutusb3_fiber.kicad_pcb
- Schematicusb3_fiber.kicad_sch
Usb3-fiber: common questions
How big is the Usb3-fiber PCB?
The Usb3-fiber measures 75 × 40 mm, has 4 copper layers and is 1.5748 mm thick.
How many components are on the Usb3-fiber?
53 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Usb3-fiber design files?
From the ringof/usb3-fiber repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Usb3-fiber design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which ringof chose for the repository.
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