6 layers73.7 × 73.7 mm
Soldermander panelized
polygnomial/adcs
CPU (RT1170) + RAM (MRAM - SEMC and xSPI) + power breakout board, with 2x 100-pin board to board connectors.
177 parts2
4 layers90.2 × 95.9 mm
PCBranch
polygnomial/adcs2CPU (RT1170) + RAM (MRAM - SEMC and xSPI) + power breakout board, with 2x 100-pin board to board connectors.
- Size
- 90.2 × 95.9 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 150
- Pads
- 418
- Tracks, vias
- 927, 117
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 2 Oct 2023
- Updated
- 8 Aug 2024
Overview
PCBranch is an open-source printed circuit board by polygnomial, from the polygnomial/adcs repository on GitHub. It is a 4-layer board of 90.2 × 95.9 mm with 15 parts on 150 nets, routed with 927 tracks and 117 vias.
README
README.mdADCS
Docs
- Power Architecture
- RT1170 and RT1060 pin map
- slides and other notes
- Tim's review
- TODO move other notes here
Hardware
Soldermander
CPU (RT1170) + RAM (MRAM - SEMC and xSPI) + power breakout board, with 2x 100-pin board to board connectors.
Sqrt of G
Eventual functional ADCS controller and sensor mainboard that the CPU board will sit on top of
PCBranch
Development breakout board that breaks out all the pins of the RT1170 CPU
Code
flight
Rust code with a Teensy target, RT1170 target (not yet implemented), etc.
cpp-code
Useful for checking that I implemented my Rust drivers correctly
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | Conn_02x25_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x25_P2.54mm_Vertical | J4, J5, J6, J7 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.7mm_M2.5_DIN965_Pad | H1, H2, H3, H4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H5, H6, H7, H8 |
| 2 | DF40HC_3.0_-100DS-0.4V_51_ | adcs:DF40HC30100DS04V51 | J2, J3 |
| 1 | CLP-105-02-X-D | adcs:SAMTEC_CLP-105-02-X-D | J1 |
Questions
How big is the PCBranch PCB?
It measures 90.2 × 95.9 mm and has 4 copper layers, 1.6 mm thick.
What parts does the PCBranch use?
15 parts. 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 PCBranch KiCad files?
From the polygnomial/adcs repository on GitHub, at the commit this page was made from: the board is hardware/cpu_board_breakout/PCBranch.kicad_pcb and its schematic hardware/adcs_with_coral/PiCoral.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PCBranch design in my own project?
Its repository states no licence, so its author keeps all rights: ask polygnomial before reusing the design.
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