ARCH
About the ARCH PCB
ARCH is an open source PCB design by Terrapin-Rocket-Team, published on GitHub. It is a 4-layer board measuring 65 × 30 mm, with 64 components from 45 distinct parts.
Other key parts include the MS5611-01BA, BMI088, H3LIS331DL, FT234XD and SAM-M10Q-00B. By type, the board carries 23 resistors, 19 capacitors, 7 connectors, 6 ICs, 4 inductors and 2 LEDs.
From the project
Code and PCBs for the avionics subteam for the SRAD flight computer and side projects
The avionics subteam manages this repo, as well as the Multi-Mission-Flight-Software and Ground Station repositories. Look at the Issues tab for tasks that need to be done, and the Projects tab for the current status of the Avionics subteam as a whole.
Most of our development for our competition rocket systems will be within the /Spaceport/ directory. Here, the parts are broken up by whether they are hardware, PCBs, or code.
Main components on the ARCH
ARCH bill of materials (BOM)
64 components, 45 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MS5611-01BA 74AUP1G80 | SN74AUP1G80DRYR | U1 |
| 1 | BMI088 74AUP1G80 | SN74AUP1G80DRYR | U2 |
| 1 | H3LIS331DL TLV77033PDQNR | TLV77033PDQNR | U3 |
| 1 | FT234XD | FT234XD | U4 |
| 1 | SAM-M10Q-00B USBLC6-2P6 | USBLC6-2P6 | U5 |
| 1 | BQ25606RGER QFN50P400X400X100-25N | BQ25606RGER | U8 |
| 1 | Conn_01x05_Pin | JST_XH_S5B-XH-A_1x05_P2.50mm_Horizontal | J1 |
| 1 | CONN_01X02 ~ | PinSocket_2x20_P2.54mm_Vertical | J2 |
| 1 | USB_C_RECEPTACLE_USB2.0_16P Conn_01x02 | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J4 |
| 1 | Conn_01x04_Pin | JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal | J6 |
| 1 | I2C Conn_01x02 | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J7 |
| 1 | 5.0VOUT USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J10 |
| 1 | Charge | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J12 |
| 1 | Buzzer | LP_Buzzer_CMT-7525-80 | BZ1 |
| 1 | TPS61288LRQQR | CONV_TPS61288LRQQR | PS1 |
| 2 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | 5V0, STAT1 |
| 1 | D_Schottky | Schottky_3A_DO-214AC_SMA | D8 |
| 1 | FerriteBead | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | FB1 |
| 2 | 2.2UH 2.2uH | IND_AMRM00101040_PUL | L1, L4 |
| 1 | 1uH | IND_AMRM00101040_PUL | L2 |
Show 25 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 22uF | C_0805_2012Metric | C1 |
| 4 | 10uF | C_0805_2012Metric | C2, C30, C33, C36 |
| 2 | 1uF | C_0805_2012Metric | C3, C4 |
| 1 | 4.7u | C_0805_2012Metric | C7 |
| 2 | 47pF | C_0805_2012Metric | C8, C9 |
| 1 | 100n | C_0805_2012Metric | C10 |
| 1 | 220uF | CP_Radial_D5.0mm_P2.00mm | C20 |
| 1 | 27pF | C_0603_1608Metric | C25 |
| 2 | 100nF | C_0603_1608Metric | C26, C31 |
| 1 | 620pF | C_0603_1608Metric | C29 |
| 1 | 2.2uF | C_0805_2012Metric | C32 |
| 1 | 47nF | C_0805_2012Metric | C34 |
| 1 | 4.7uF | C_0603_1608Metric | C35 |
| 1 | 111k | R_0603_1608Metric | R1 |
| 1 | 15k | R_0603_1608Metric | R2 |
| 2 | 100k | R_0603_1608Metric | R3, R4 |
| 10 | 2k | R_0603_1608Metric | R5, R8, R11, R15, R18, R19, R20, R21 +2 |
| 1 | 225 | R_0603_1608Metric | R6 |
| 1 | 160 | R_0603_1608Metric | R7 |
| 2 | 5.1k | R_0402_1005Metric | R9, R10 |
| 1 | 15K 27 | R_0805_2012Metric | R12 |
| 1 | 111K 27 | R_0805_2012Metric | R13 |
| 1 | 28.7K 28.7k | R_0603_1608Metric | R14 |
| 1 | 500K 2k | R_0603_1608Metric | R16 |
| 1 | 100K 2k | R_0603_1608Metric | R17 |
ARCH design files
The KiCad project lives in the Terrapin-Rocket-Team/SRAD-Avionics repository on GitHub; these links point at the commit this page was built from.
ARCH: common questions
How big is the ARCH PCB?
The ARCH measures 65 × 30 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the ARCH?
64 components, from 45 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the ARCH design files?
From the Terrapin-Rocket-Team/SRAD-Avionics repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the ARCH design in my own project?
The repository has no license, so all rights stay with Terrapin-Rocket-Team. Use it as a reference, and ask the author before reusing the design.
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