4 layers59.8 × 41.1 mm
SmartPowerBoard
murexrobotics/electrical
Highly integrated electronics design and printed circuit boards (PCBs) for the MATE ROV Competition. Attempt the impossible.
117 parts192MIT
2 layers40 × 38 mm
Highly integrated electronics design and printed circuit boards (PCBs) for the MATE ROV Competition. Attempt the impossible.
- Size
- 40 × 38 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 18
- Pads
- 83
- Tracks, vias
- 117, 91
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 5 May 2023
- Updated
- 14 Oct 2026
Overview
Shield is an open-source printed circuit board by murexrobotics, from the murexrobotics/electrical repository on GitHub, published under the MIT licence. It is a 2-layer board of 40 × 38 mm with 32 parts on 18 nets, routed with 117 tracks and 91 vias.
It is built around the LM74810QDRRRQ1, IRFB3077PBF and SMDJ36A. Its parts include 11 resistors, 6 connectors, 5 capacitors, 3 diodes and 2 transistors.
Main components
3LM74810QDRRRQ1
WSON-12-EP(3x3)-40℃~+150℃ 11.5V 2.67A 2.6A 3V~65V 408uA 60mA 65V 9.1mV External FET WSON-12-EP(3x3) ORing Controllers ROHSTexas InstrumentsPower Distribution Switches
IRFB3077PBF
TO-220AB-55℃~+175℃ 1 N-channel 210A 220nC@10V 3.3mΩ@10V 350pF 370W 4V 75V 820pF 9.4nF N-Channel TO-220AB MOSFETs ROHSInfineon TechnologiesMOSFETs
SMDJ36A
SMC-65℃~+150℃ 2uA 36V 3kW@10/1000us 44.2V 51.6A@10/1000us 58.1V TVS SMC ESD and Surge Protection (TVS/ESD) ROHSShandong Jingdao MicroelectronicsESD And Surge Protection (TVS/ESD)
README
power/README.mdDocumentation
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 3.3k | Resistor_SMD:R_0603_1608Metric | R3, R8, R10, R11 |
| 3 | 100nF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C4 |
| 3 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP2, JP3 |
| 2 | 22k | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | 82k | Resistor_SMD:R_0603_1608Metric | R6, R9 |
| 2 | IRFB3077PbF | Package_TO_SOT_THT:PG-TO220-3_INF | Q1, Q2 |
| 2 | LED | LED_SMD:LED_0603_1608Metric | D2, D3 |
| 2 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1, J2 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 18k | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 220k | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 47uF | Capacitor_SMD:C_1206_3216Metric | C5 |
| 1 | IC Side 1 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | IC Side 2 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | LM74810QDRRRQ1 | LM7481:SON50P300X300X80-13N-D | U1 |
| 1 | LOGO | Max:10x10mm_Branding | G*** |
| 1 | Power Side 1 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | Power Side 2 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | SMDJ36A | Diode_SMD:D_SMC | D1 |
Questions
How big is the Shield PCB?
It measures 40 × 38 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Shield use?
32 parts, built around the LM74810QDRRRQ1, IRFB3077PBF and SMDJ36A. 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 Shield KiCad files?
From the murexrobotics/electrical repository on GitHub, at the commit this page was made from: the board is shield/shield.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Shield design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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