2 layers100 × 100 mm
2 layers65 × 68 mm
FolkraceCar2020
CASE-Association/FolkraceCar2Project for the Folkrace robot that CASE Board used in the Swedish Robotic Championship 2020
- Size
- 65 × 68 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 53
- Pads
- 299
- Tracks, vias
- 580, 147
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 19 Feb 2020
- Updated
- 31 Mar 2021
Overview
FolkraceCar2020 is an open-source printed circuit board by CASE-Association, from the CASE-Association/FolkraceCar repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 65 × 68 mm with 74 parts on 53 nets, routed with 580 tracks and 147 vias.
It is built around the ADS1115IDGS, BSS138 and DMN10H220L. Its parts include 26 resistors, 13 capacitors, 9 connectors, 4 ICs and 4 diodes. It belongs with the robots and motor control boards of this library.
Main components
3
ADS1115IDGS
MSOP10Ultra-Small, Low-Power, 4 Channels 16-Bit Analog-to-Digital Converter with Internal ReferenceTexas InstrumentsUncategorised
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETsDMN10H220L
SOT-23-55℃~+150℃ 1 N-channel 1.3W 1.6A 100V 17pF 2.5V 250mΩ@4.5V 401pF 8.3nC@10V N-Channel SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs
README
hardware/pcb/README.mdNotes for Folkrace PCB
Bring up notes for REV 1-2
- eFuse does not work consistently - two have been broken - unclear why
Changes for next rev
- Add way to connect external 5V (protection for DC/DC)
- On off for 3V3 (complete rail)
- Move to edge-mounted buttons
- Check real width of screen (38 mm length)
- Reconnect fault LED to not be on when off
- Change to better switch for on/off operation
- Transient protection and possibly reverse current diode for eFuse
- Check if we can change to Molex nano fit connectors (both connectors oriented towards RP conn)
- Add 90 deg connector for start module
- Flip FAN connector so silkscreen looks good
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | R | Resistor_SMD:R_0603_1608Metric | R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R21, R22, R23, R24, R25 +8 |
| 5 | C | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C5 |
| 5 | C | Capacitor_SMD:C_1206_3216Metric | C6, C7, C8, C12, C13 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_ISO7380 | H1, H2, H5, H6 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.7mm_M2.5_Pad_Via | H3, H4, H7, H8 |
| 3 | Conn_01x06_Male | Connector_JST:JST_PH_B6B-PH-K_1x06_P2.00mm_Vertical | J7, J8, J9 |
| 2 | LED GREEN | LED_SMD:LED_0603_1608Metric | D3, D4 |
| 2 | Conn_01x02_Male | Connector_Molex:Molex_Mini-Fit_Jr_5569-02A2_2x01_P4.20mm_Horizontal | J1, J3 |
| 2 | Jumper | Resistor_SMD:R_0603_1608Metric | JP1, JP2 |
| 2 | LED RED | LED_SMD:LED_0603_1608Metric | D1, D2 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_B3U-1000P-B | SW2, SW3 |
| 1 | 0 | Resistor_SMD:R_0603_1608Metric | R19 |
| 1 | 1.3k | Resistor_SMD:R_0603_1608Metric | R20 |
| 1 | 100nF X7R > 16 V | Capacitor_SMD:C_0201_0603Metric | C11 |
| 1 | 100nF X7R > 16 V | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | 22nF X7R > 16 V | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | ADS1115IDGS | Package_SO:TSSOP-10_3x3mm_P0.5mm | U1 |
| 1 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Conn Fan | Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal | J5 |
| 1 | Conn Hall Effect | Connector_JST:JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | J6 |
| 1 | Conn Servo | Connector_JST:JST_PH_B3B-PH-K_1x03_P2.00mm_Vertical | J4 |
| 1 | DMN10H220L | Package_TO_SOT_SMD:SOT-23 | Q2 |
| 1 | DRV8874PWPR | DCDC:SOP65P640X120-17N | IC1 |
| 1 | OKL-T_6-W12N-C | DCDC:OKL2T6W12PC | U3 |
| 1 | OLED 128x32 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | MODULE2 |
| 1 | Raspberry_Pi | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | J2 |
| 1 | SPST | Button_Switch_SMD:SW_DIP_SPSTx01_Slide_Omron_A6S-110x_W8.9mm_P2.54mm | SW1 |
| 1 | Startmodule | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | MODULE1 |
| 1 | TPS25940x-Q1 | Package_DFN_QFN:QFN-20-1EP_3x4mm_P0.5mm_EP1.65x2.65mm_ThermalVias | U2 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_D1.5mm | TP1 |
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Questions
How big is the FolkraceCar2020 PCB?
It measures 65 × 68 mm and has 2 copper layers, 1.6 mm thick.
What parts does the FolkraceCar2020 use?
74 parts, built around the ADS1115IDGS, BSS138 and DMN10H220L. 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 FolkraceCar2020 KiCad files?
From the CASE-Association/FolkraceCar repository on GitHub, at the commit this page was made from: the board is hardware/pcb/FolkraceCar2020.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the FolkraceCar2020 design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).