2 layers17.8 × 27.9 mm
DEBUGEDGE BREAKOUT
CYMOTIVE/CYMOCAN
Low cost USB to CAN-FD (Controller Area Network - Flexible Data rate) interface.
4 parts20
2 layers63.5 × 36.8 mm
CYMOCAN G0
CYMOTIVE/CYMOCAN20Low cost USB to CAN-FD (Controller Area Network - Flexible Data rate) interface.
- Size
- 63.5 × 36.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 39
- Nets
- 84
- Pads
- 179
- Tracks, vias
- 453, 27
- Pours
- 171
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 28 Jun 2023
- Updated
- 28 Jun 2023
Overview
CYMOCAN G0 is an open-source printed circuit board by CYMOTIVE, from the CYMOTIVE/CYMOCAN repository on GitHub. It is a 2-layer board of 63.5 × 36.8 mm with 39 parts on 84 nets, routed with 453 tracks and 27 vias.
It is built around the TJA1051T/3/1, AP2112K-3.3 and USBLC6-2P6. Its parts include 13 resistors, 8 connectors, 6 diodes, 5 capacitors and 5 ICs. It belongs with the interfaces and adapters boards and the STM32 boards of this library.
Main components
3TJA1051T/3/1
-- CAN Transceivers ROHSNXP SemiconductorsCAN Transceivers
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
USBLC6-2P6
SOT-666-6-40℃~+125℃ 150nA 17V 2 3.5pF 5.25V 5A@8/20us 6V ESD IEC 61000-4-2 Unidirectional SOT-666-6 ESD and Surge Protection (TVS/ESD) ROHSSTMicroelectronicsESD And Surge Protection (TVS/ESD)
README
README.mdCYMOCAN USB-CAN Interface
CYMOCAN is a low cost USB to CAN-FD (Controller Area Network - Flexible Data rate) interface.
Using the CandleLight firmware CYMOCAN can work with Windows(WCID USB) and Linux(SocketCAN over gs_usb).
What is in this repository?
- Hardware files for the CYMOCAN board and Debug edge breakout board
Hardware
CYMOCAN_G0
CYMOCAN_G0 has:
- 2 CAN-FD interfaces
- USB
- SWD + UART (Over Debug edge)
CYMOCAN_G0 BOM
| Reference | Description | Quantity |
|---|---|---|
| C1, C2 | 0603 1uF Capacitor | 2 |
| C3 | 0603 0.1uF Capacitor | 1 |
| C4 | 0603 100nf Capacitor | 1 |
| C5 | 0603 4.7uF Capacitor | 1 |
| D1, D2, D3, D4, D5, D6 | 0603 LED | 6 |
| J1 | Molex 105450-0101 USB-C socket | 1 |
| J2, J3, J4, J7 | 01x02 Pin Header | 4 |
| J5, J8 | 3 Pin TerminalBlock Bornier 5.08mm | 2 |
| R1, R2 | 0603 5.1K Resistor | 2 |
| R3, R4 | 0603 10K Resistor | 2 |
| R5 | 0603 40K Resistor | 1 |
| R6, R7, R8, R9, R13 | 0603 220 Resistor | 5 |
| R10, R11 | 0603 120 Resistor | 2 |
| R12 | 0603 330 Resistor | 1 |
| SW1 | Push switch 6mm THT | 1 |
| U1 | AP2112K-3.3 LDO regulator | 1 |
| U2 | STM32G0B1CBT6 Microcontroller | 1 |
| U3, U5 | TJA1051T-3 CAN transceiver | 2 |
| U4 | USBLC6-2P6 USB ESD protection diodes | 1 |
Debug edge breakout
You Do not need this in order to flash and use the CYMOCAN board. This breakout is only necessary if you wish to debug the board during development.
Getting started with CYMOCAN
Flashing the Board
After assembling the device follow the flashing instructions in the CandleLight firmware Repo.
For now use the PR https://github.com/candle-usb/candleLight_fw/pull/139 and the nucleo_g0b1re target.
Linux
You will need to compile a kernel version 5.18 or above for GS_USB CAN-FD support. The flags you must enable are:
- CAN
- CAN_GS_USB
After compiling and installing the Kernel the CYMOCAN will appear as a standard SocketCAN device.
To setup the device for classic CAN use the following commands
sudo ip link set can0 qlen 1000
sudo ip link set can0 up type can bitrate 500000Subsitute can0 for the channel you are using. Now you can use the device with any SocketCAN compatible software.
Windows
TODO
Parts
39| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 220 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R7, R8, R9, R13 |
| 2 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4 |
| 2 | 120 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10, R11 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2 |
| 2 | 5.1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_2x01_P2.54mm_Vertical | J3, J4 |
| 2 | TJA1051T-3 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3, U5 |
| 2 | TX2_IND | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 100nf | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 1 | 105450-0101 | SnapEDA Library:MOLEX_105450-0101 | J1 |
| 1 | 330 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 4.7uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
| 1 | 40K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | CAN1 | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J8 |
| 1 | CAN1 TX|RX | Connector_PinHeader_2.54mm:PinHeader_2x01_P2.54mm_Vertical | J7 |
| 1 | CAN2 | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J5 |
| 1 | CAN2 TX|RX | Connector_PinHeader_2.54mm:PinHeader_2x01_P2.54mm_Vertical | J2 |
| 1 | DebugEdge_02x05 | DebugEdge:DebugEdge_2x05_Target | J6 |
| 1 | LOGO | LOGO | G*** |
| 1 | RX1_IND | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D6 |
| 1 | Reset | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | STM32G0B1CBTx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U2 |
| 1 | TX1_IND | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D5 |
| 1 | USBLC6-2P6 | Package_TO_SOT_SMD:SOT-666 | U4 |
| 1 | VBUS | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | VCC | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4 |
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Questions
How big is the CYMOCAN G0 PCB?
It measures 63.5 × 36.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CYMOCAN G0 use?
39 parts, built around the TJA1051T/3/1, AP2112K-3.3 and USBLC6-2P6. 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 CYMOCAN G0 KiCad files?
From the CYMOTIVE/CYMOCAN repository on GitHub, at the commit this page was made from: the board is hardware/CYMOCAN_G0/CYMOCAN_G0.kicad_pcb and its schematic hardware/CYMOCAN_G0/CYMOCAN_G0.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the CYMOCAN G0 design in my own project?
Its repository states no licence, so its author keeps all rights: ask CYMOTIVE before reusing the design.