4 layers80 × 80.1 mm
Chassis
ut-ras/robomaster_hardware
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75 parts3
4 layers80 × 80.1 mm
Chassis
ut-ras/rm_electrical-chassisThis project contains the chassis board, which routes power and CAN to the wheels from the PMM and the Dev Board, respectively. Also, a buck converter that drives the 19V power needed for the CV board.
- Size
- 80 × 80.1 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 58
- Nets
- 40
- Pads
- 159
- Tracks, vias
- 221, 47
- Pours
- 21
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 21 Mar 2025
- Updated
- 1 Sep 2026
Overview
Chassis is an open-source printed circuit board by ut-ras, from the ut-ras/rm_electrical-chassis repository on GitHub. It is a 4-layer board of 80 × 80.1 mm with 58 parts on 40 nets, routed with 221 tracks and 47 vias.
It is built around the RT6285GSP, 150060YS75000 and 150060BS75000, with the 150060RS75000 and SR54F-AU_R2_000A1 among its other parts. Its parts include 24 connectors, 7 resistors, 7 diodes, 6 capacitors and 1 IC.
Main components
5
RT6285GSP
SOP-8-EP-40℃~+125℃ 1 1.222V~24V 1mA 5.5V~30V 500kHz 5A Adjustable Buck Buck Built-in No SOP-8-EP DC-DC Converters ROHSRichtek TechDC-DC Converters
150060YS75000
0603Infrared LED EmittersWürth Elektronik150060BS75000
0603-40℃~+85℃ 1.1mm x 0.8mm square LED 1000V 105mW 140° 145mcd 20mA 25nm 3.2V 465nm 470nm Blue Discrete Diode InGaN Water Clear 0603 LED Indication - Discrete ROHSWürth ElektronikLight Emitting Diodes (LED)150060RS75000
0603-40℃~+85℃ 140° 20mA 250mcd 2V 625nm 630nm Discrete Diode Red Water Clear 0603 LED Indication - Discrete ROHSWürth ElektronikLight Emitting Diodes (LED)SR54F-AU_R2_000A1
SMBFSMBF New Arrivals ROHSPANJIT InternationalUncategorised
README
README.mdChassis board
This project contains the chassis board, which routes power and CAN to the wheels from the PMM and the Dev Board, respectively.
Also, a buck converter that drives the 19V power needed for the CV board. This is sent up the slip ring.
NOTE: 3D models will not work until someone figures out a clean way to use relative URLs for 3D models
Parts
58| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 1kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R8, R10, R12 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | TestPoint | TestPoint:TestPoint_Pad_2.0x2.0mm | TP1, TP2, TP3, TP4 |
| 3 | 150060YS75000 | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D7, D9, D11 |
| 3 | Conn_01x04 | Connector_JST:JST_GH_BM04B-GHS-TBT_1x04-1MP_P1.25mm_Vertical | J11, J23, J25 |
| 2 | 22µF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6 |
| 2 | 4.7µF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7, C8 |
| 2 | SUPCAP_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J12, J29 |
| 1 | 0.01u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | 100kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | 10µH | Robomaster_Passives:MPLAL6060100 | L1 |
| 1 | 150060BS75000 | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | 150060RS75000 | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | 2.5A | Fuse:Fuse_0603_1608Metric_Pad1.05x0.95mm_HandSolder | F1 |
| 1 | 501645-1620 | Robomaster_Connectors:5016451620 | J17 |
| 1 | 6.8kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | 82pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | BL_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J4 |
| 1 | BL_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J8 |
| 1 | BR_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J2 |
| 1 | BR_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J6 |
| 1 | CAN2_IN | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J27 |
| 1 | Conn_01x08 | Robomaster_Connectors:172298-YY08 | J31 |
| 1 | FL_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J3 |
| 1 | FL_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J7 |
| 1 | FR_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J1 |
| 1 | FR_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J5 |
| 1 | GIM1_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J13 |
| 1 | GIM1_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J15 |
| 1 | GIM2_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J14 |
| 1 | GIM2_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J16 |
| 1 | GIM_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J20 |
| 1 | IN_JST | Connector_JST:JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J9 |
| 1 | IN_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J10 |
| 1 | LOGO | Robomaster_Memes:blox | G*** |
| 1 | LOGO | Robomaster_Memes:pikja | G*** |
| 1 | LOGO | Robomaster_Special:StampedeLogo | G*** |
| 1 | PTVS26VS1UR-QX | Robomaster_Passives:PTVS26VS1URQX | D10 |
| 1 | RT6285GSP | Robomaster_ICs:SOIC127P600X175-9N | IC2 |
| 1 | SHOO_XT30 | Robomaster_Connectors:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J19 |
| 1 | SR54F-AU_R2_000A1 | Robomaster_Passives:SODFL5336X110N | D4 |
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Questions
How big is the Chassis PCB?
It measures 80 × 80.1 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Chassis use?
58 parts, built around the RT6285GSP, 150060YS75000, 150060BS75000 and 150060RS75000. 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 Chassis KiCad files?
From the ut-ras/rm_electrical-chassis repository on GitHub, at the commit this page was made from: the board is Chassis.kicad_pcb and its schematic Chassis.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Chassis design in my own project?
Its repository states no licence, so its author keeps all rights: ask ut-ras before reusing the design.