MARS Dev Board
About the MARS Dev Board
MARS Dev Board is an open source PCB design by innate-inc, published on GitHub under the CERN-OHL-S-2.0 license. It is a 6-layer board measuring 108.4 × 89.2 mm, with 126 components from 72 distinct parts.
Other key parts include the AP74700QW6-7, TPS5430DDA, MAX98357A, SN74LVC1G126DBV and ICM-20948. By type, the board carries 36 capacitors, 36 resistors, 24 connectors, 11 ICs, 9 diodes and 5 transistors.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
in progress
KiCad project files and production-ready outputs for all Mars robot circuit boards.
The head PCB controls sensors and actuators in the robot's head assembly.
- KiCad Project: leader.kicadpro - Schematic: leader.kicadsch - PCB Layout: leader.kicad_pcb
Production Files (head-pcb/production/): - Gerbers & Drill Files - BOM (Bill of Materials) - Component Positions - Designators Reference - IPC Netlist
Main components on the MARS Dev Board
MARS Dev Board bill of materials (BOM)
126 components, 72 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP74700QW6-7 | SOT95P280X145-6N | IC1 |
| 1 | TPS5430DDA | TI_SO-PowerPAD-8_ThermalVias | U1 |
| 1 | MAX98357A | TQFN-16-1EP_3x3mm_P0.5mm_EP1.23x1.23mm | U2 |
| 1 | SN74LVC1G126DBV | SOT-23-5 | U3 |
| 1 | ICM-20948 | InvenSense_QFN-24_3x3mm_P0.4mm | U4 |
| 1 | TPS259482AYWPR | YWP0012A-MFG | U5 |
| 1 | BTS50010-1TAD | TO-263-7_TabPin4 | U6 |
| 1 | MIC5504-1.8YM5 | SOT-23-5 | U7 |
| 1 | CH343P | WCH_QFN-16-1EP_3x3mm_P0.5mm_EP1.8x1.8mm | U8 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U9 |
| 1 | SN74LVC1G125DBV | SOT-23-5 | U10 |
| 1 | MMBT3906 | SOT-23 | Q1 |
| 3 | 2N7002 | SOT-23 | Q3, Q4, Q6 |
| 1 | CSD18540Q5B | TDSON-8-1 | Q5 |
| 2 | B4B-ZR | B4B-ZR | CON1, CON2 |
| 1 | CONN_02X20_ODD_EVEN Conn_02x20_Odd_Even | PinSocket_2x20_P2.54mm_Vertical | J1 |
| 1 | CONN_01X02 Conn_01x02 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J2 |
| 2 | CONN_01X03 Conn_01x03 | JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J3, J4 |
| 4 | CONN_01X03 Conn_01x03 | PinSocket_1x03_P2.54mm_Vertical | J5, J12, J15, J18 |
| 1 | XT60PW-M | AMASS_XT60PW-M | J6 |
Show 52 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1935161 | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J7, J19 |
| 2 | CONN_01X14 Conn_01x14 | PinSocket_1x14_P2.54mm_Vertical | J8, J9 |
| 2 | CONN_01X05 Conn_01x05 | PinSocket_1x05_P2.54mm_Vertical | J10, J16 |
| 1 | CONN_01X04 Conn_01x04 | PinSocket_1x04_P2.54mm_Vertical | J11 |
| 1 | CONN_01X13 Conn_01x13 | PinSocket_1x13_P2.54mm_Vertical | J14 |
| 1 | CONN_01X07 Conn_01x07 | PinSocket_1x07_P2.54mm_Vertical | J17 |
| 2 | CONN_01X02 Conn_01x02 | JST_VH_B2P-VH_1x02_P3.96mm_Vertical | J20, J21 |
| 1 | CONN_01X02 Conn_01x02 | PinSocket_1x02_P2.54mm_Vertical | J23 |
| 1 | CONN_02X03_ODD_EVEN Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J30 |
| 1 | C1122355 Buzzer | XDCR_KXG1205C | BZ1 |
| 1 | C165948 ~ SHOU HAN(首韩) | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | USB1 |
| 1 | B340A-13-F | DIOM5226X240N | D1 |
| 2 | SMBJ33CA | DIOM4336X265N | D2, D5 |
| 5 | LED | D_0603_1608Metric | D3, D6, D7, D8, D9 |
| 1 | B5819WS | D_SOD-323 | D4 |
| 2 | C85817 FerriteBead | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | FB1, FB2 |
| 1 | FXL0630-150-M | INDM7066X300N | L2 |
| 2 | 10UF 10uF | C_0603_1608Metric | C1, C19 |
| 11 | C56392 .1uF | C_0402_1005Metric | C2, C8, C12, C17, C18, C20, C22, C26 +3 |
| 2 | 220PF 220pf | C_0402_1005Metric | C3, C36 |
| 3 | 10UF 10uF | C_0805_2012Metric | C4, C6, C29 |
| 1 | 10NF 10nF | C_0603_1608Metric | C5 |
| 1 | 10TPB220ML | CAP_10TPB220ML | C7 |
| 1 | 2.2NF 2.2nF | C_0402_1005Metric | C9 |
| 1 | 4.3NF 4.3nF | C_0402_1005Metric | C10 |
| 2 | 10NF 10nF | C_0402_1005Metric | C11, C14 |
| 1 | 150NF 150nF | C_0402_1005Metric | C13 |
| 6 | 1UF 1uF | C_0603_1608Metric | C15, C16, C21, C23, C25, C35 |
| 1 | 22UF 22uF | CAPMP3516X190N | C24 |
| 1 | 470UF 470uF | C_Elec_10x10.2 | C28 |
| 1 | 22NF 22nF | C_0402_1005Metric | C34 |
| 1 | 220UF 220uF | C_Elec_8x10.2 | C37 |
| 1 | 10UF 10uF | CAPMP3516X190N | C38 |
| 3 | 100K 100k | R_0402_1005Metric | R1, R32, R39 |
| 1 | 634K | R_0402_1005Metric | R2 |
| 4 | 4.7K 4.7k | R_0402_1005Metric | R3, R21, R22, R30 |
| 1 | 10K 10k | R_0603_1608Metric | R5 |
| 1 | 3.24K 3.24k | R_0603_1608Metric | R6 |
| 1 | 20K | R_0402_1005Metric | R7 |
| 6 | 10K 10k | R_0402_1005Metric | R8, R9, R18, R19, R33, R34 |
| 1 | 133K 133k | R_0402_1005Metric | R10 |
| 1 | 47K 47k | R_0402_1005Metric | R11 |
| 1 | 887 | R_0402_1005Metric | R12 |
| 1 | 470K 470k | R_0402_1005Metric | R13 |
| 1 | 42.2K 42.2k | R_0402_1005Metric | R14 |
| 1 | 4 | R_0402_1005Metric | R20 |
| 1 | 1k | R_0402_1005Metric | R23 |
| 4 | 2.2K 2.2k | R_0402_1005Metric | R24, R25, R26, R27 |
| 2 | 5K1 5k1 | R_0402_1005Metric | R28, R29 |
| 3 | 1.8K 1.8k | R_0402_1005Metric | R35, R40, R41 |
| 1 | 470 | R_0402_1005Metric | R36 |
| 2 | 100 | R_0402_1005Metric | R37, R38 |
MARS Dev Board design files
The KiCad project lives in the innate-inc/mars repository on GitHub; these links point at the commit this page was built from.
MARS Dev Board: common questions
How big is the MARS Dev Board?
The MARS Dev Board measures 108.4 × 89.2 mm, has 6 copper layers and is 1.6 mm thick.
How many components are on the MARS Dev Board?
126 components, from 72 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 MARS Dev Board design files?
From the innate-inc/mars 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 MARS Dev Board design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which innate-inc chose for the repository.
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