4 layers45 × 70 mm
6 layers50 × 35 mm
Syzygy usb3
miek/test-pcbs1- Size
- 50 × 35 mm
- Copper layers
- 6
- Thickness
- 1.6 mm
- Parts
- 35
- Nets
- 82
- Pads
- 218
- Tracks, vias
- 483, 136
- Pours
- 15
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 1 Nov 2023
- Updated
- 1 Nov 2023
Overview
Syzygy usb3 is an open-source printed circuit board by miek, from the miek/test-pcbs repository on GitHub. It is a 6-layer board of 50 × 35 mm with 35 parts on 82 nets, routed with 483 tracks and 136 vias.
It is built around the ATTINY44A-MU. Its parts include 10 capacitors, 6 resistors, 4 connectors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1Parts
35| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100n | Capacitor_SMD:C_0201_0603Metric | C3, C4, C5, C6, C7, C8, C9, C10 |
| 7 | TestPoint | SYZYGY:TestPoint-20mil | TP5, TP6, TP7, TP8, TP9, TP10, TP11 |
| 4 | 5k1 | Resistor_SMD:R_0402_1005Metric | R3, R4, R5, R6 |
| 4 | MountingHole_Pad | SYZYGY:MountingHole_3.2mm_M3_6.5mm_Pad_TopBottom | H1, H2, H3, H4 |
| 2 | 10K | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | Fiducial | Fiducial:Fiducial_1mm_Mask2mm | FID5, FID6 |
| 2 | USB_C_Receptacle | Connector_USB:USB_C_Receptacle_Amphenol_12401610E4-2A | J3, J4 |
| 1 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | 0.1uF DNP | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | ATtiny44A-MU | SYZYGY:QFN-24-4x4mm | U1 |
| 1 | Conn_01x06 | SYZYGY:Tag-Connect_TC2030-IDC-FP_2x03_P1.27mm_Vertical | J2 |
| 1 | SYZYGY_TXR-4 | SYZYGY:QTH-020-01-F-D-DP-A | J1 |
| 1 | VIO | TestPoint:TestPoint_Pad_D1.0mm | TP3 |
Questions
How big is the Syzygy usb3 PCB?
It measures 50 × 35 mm and has 6 copper layers, 1.6 mm thick.
What parts does the Syzygy usb3 use?
35 parts, built around the ATTINY44A-MU. 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 Syzygy usb3 KiCad files?
From the miek/test-pcbs repository on GitHub, at the commit this page was made from: the board is syzygy-usb3/syzygy-usb3.kicad_pcb and its schematic syzygy-usb3/syzygy-usb3.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Syzygy usb3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask miek before reusing the design.
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