

Martlet 4 Avionics
- Size
- 86.6 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 165
- Nets
- 133
- Pads
- 777
- Tracks, vias
- 1,921, 334
- Pours
- 21
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Jan 2018
- Updated
- 2 Mar 2018
Overview
M4pyro is an open-source printed circuit board by cuspaceflight, from the cuspaceflight/m4-avionics repository on GitHub. It is a 2-layer board of 86.6 × 50 mm with 165 parts on 133 nets, routed with 1,921 tracks and 334 vias.
It is built around the MCP2562-H/P, TPS62133RGT and TPS62153RGT, with the LTC4151IMS, PMEG3005AEA and SI5515CDC among its other parts. Its parts include 66 resistors, 50 capacitors, 14 diodes, 10 ICs and 8 transistors. It belongs with the STM32 boards of this library.
Main components
6MCP2562-H/P
PDIP-8-40℃~+150℃ 4.5V~5.5V PDIP-8 CAN Transceivers ROHSMicrochip TechnologyCAN TransceiversTPS62133RGT
VQFN-16-EP(3x3)-40℃~+125℃ 1 1.25MHz~2.5MHz 17uA 3A 3V~17V 5V Buck Buck Built-in Fixed Yes VQFN-16-EP(3x3) DC-DC Converters ROHSTexas InstrumentsDC-DC ConvertersTPS62153RGT
VQFN-16-EP(3x3)-40℃~+85℃@(TA) 1 1A 2.5MHz 3V~17V 5V Buck Buck Built-in Fixed Yes QFN-16-EP(3x3) DC-DC Converters ROHSTexas InstrumentsDC-DC ConvertersLTC4151IMS
MSOP-10MSOP-10 Supervisor and Reset ICsAnalog DevicesSupervisor And Reset ICsPMEG3005AEA
SOD-3231 Independent 10A 150uA@30V 30V 430mV@500mA 500mA SOD-323 Schottky Diodes ROHSNexperiaSchottky DiodesSI5515CDC
ChipFET1206-8-55℃~+150℃ 1 N-Channel + 1 P-Channel 156mΩ@1.8V 20V 3.1W 49A 6.5nC@4.5V 632pF 70pF 800mV 80pF N-Channel + P-Channel ChipFET1206-8 MOSFETs ROHSVishay IntertechnologyMOSFETs
README
README.mdMartlet IV Avionics
This repository contains all the avionics for Martlet 4, including system design, documentation, schematics, PCBs, and firmware.
Parts
165| Qty | Value | Footprint | References |
|---|---|---|---|
| 29 | 10k | agg:0402 | R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26 +13 |
| 21 | 100n | agg:0402 | C4, C10, C15, C19, C20, C21, C22, C23, C24, C25, C26, C29, C36, C43, C48, C49 +5 |
| 11 | 1k | agg:0402 | R6, R8, R29, R30, R33, R34, R37, R38, R58, R59, R60 |
| 11 | PMEG3005AEA | agg:SOD-323 | D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14 |
| 8 | Si5515CDC | agg:ChipFET-1206-8 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 5 | 100n | agg:0603 | C13, C17, C30, C37, C44 |
| 5 | 10µ | agg:1206 | C12, C14, C27, C34, C41 |
| 4 | 100 | agg:0402 | R1, R2, R3, R4 |
| 4 | 1µ | agg:0402 | C6, C28, C35, C42 |
| 4 | HOLE | agg:M3_MOUNT | X2, X3, X4, X5 |
| 3 | 1.2u | agg:0805 | C32, C39, C46 |
| 3 | 100k | agg:0402 | R43, R48, R53 |
| 3 | 100µ | agg:1210 | C33, C40, C47 |
| 3 | 2.5k | agg:0603 | R46, R51, R56 |
| 3 | 22n | agg:0402 | C31, C38, C45 |
| 3 | 2µ2 | agg:WE-HCC-1090 | L3, L4, L5 |
| 3 | 47.5k | agg:0603 | R45, R50, R55 |
| 3 | 5m | agg:1206 | R47, R52, R57 |
| 3 | 68k | agg:0603 | R44, R49, R54 |
| 3 | 82.5k | agg:0402 | R64, R65, R66 |
| 3 | ADP2389 | agg:ADP2389ACPZ-R7 | IC5, IC7, IC9 |
| 3 | LTC4151 | agg:DFN-10-EP-LT | IC6, IC8, IC10 |
| 2 | 10p | agg:0402 | C1, C2 |
| 2 | 2µ2 | agg:XFL4020 | L1, L2 |
| 2 | 2µ2 | agg:0402 | C11, C18 |
| 2 | 4k7 | agg:0402 | R41, R42 |
| 1 | 22µ | agg:0603 | C16 |
| 1 | 26M | agg:XTAL-20x16 | Y1 |
| 1 | 3k3 | agg:0402 | R10 |
| 1 | 47k | agg:0402 | R7 |
| 1 | 4µ7 | agg:0402 | C3 |
| 1 | EAST BOT | agg:SFML-115-02-L-D | J4 |
| 1 | EAST TOP | agg:TFML-115-02-L-D-LC | J3 |
| 1 | GRN | agg:0603-LED | D3 |
| 1 | MCP2562 | agg:DFN-8-EP-MICROCHIP | IC3 |
| 1 | RED | agg:0603-LED | D1 |
| 1 | STM32F405RxTx | agg:LQFP-64 | IC1 |
| 1 | SUPPLY | agg:ultra-fit-01x03 | J5 |
| 1 | SWD_TC | agg:TC2030-NL | P1 |
| 1 | TPS62133 | agg:QFN-16-EP-TI | IC2 |
| 1 | TPS62153 | agg:QFN-16-EP-TI | IC4 |
| 1 | VALVES | agg:ultra-fit-01x03 | J6 |
| 1 | WEST BOT | agg:SFML-115-02-L-D | J2 |
| 1 | WEST TOP | agg:TFML-115-02-L-D-LC | J1 |
| 1 | YLW | agg:0603-LED | D2 |
Questions
How big is the M4pyro PCB?
It measures 86.6 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the M4pyro use?
165 parts, built around the MCP2562-H/P, TPS62133RGT, TPS62153RGT and LTC4151IMS. 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 M4pyro KiCad files?
From the cuspaceflight/m4-avionics repository on GitHub, at the commit this page was made from: the board is m4pyro/m4pyro.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the M4pyro design in my own project?
Its repository states no licence, so its author keeps all rights: ask cuspaceflight before reusing the design.
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