ale-giustina/CAN-serializerA 3 interface FDCAN serializer based on a STM32G473CCTx
CAN serializer is an open-source printed circuit board by ale-giustina, from the ale-giustina/CAN-serializer repository on GitHub. It is a 4-layer board of 68.1 × 39.5 mm with 115 parts on 87 nets, routed with 726 tracks and 131 vias.
It is built around the MCP2562FD-E/P, LD1117S33TR(MS) and USBLC6-2SC6, with the BAT54S, ACT45B-101-2P-TL003 and NUP2105L among its other parts. Its parts include 30 capacitors, 30 diodes, 29 resistors, 9 connectors and 6 ICs. It belongs with the STM32 boards of this library.
A simple board that can be used to read up to 3 FDCAN bus lines using three filtered MCP2562FD with toggleable 120ohm termination resistors. Everything is hooked up to a STM32G473CCTx that is then hooked up to a USB-C receptacle.
The board also features a USART interface, an SPI interface and an I2C interface for casual sensor debugging.
To connect to the can line a 1848943 1803329 PHOENIX CONNECTORS connector pair has been choosed for ease of operability.
A sample .ioc has been provided for the CUBEMX configuration.
The BOOT0 pin has been overriden due to the presence of 3 FDCAN transceivers. This means that the board will not boot correctly. Before programming one needs to set the correct register through the SWD interface to ignore the BOOT0 pin.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | TVS | Diode_SMD:D_SOD-523 | D24, D25, D28, D29, D32, D33, D43, D44, D45, D46, D47, D48, D50, D51 |
| 12 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10, C12, C13, C14, C15, C16, C45, C46, C47, C48, C49, C50 |
| 12 | 15pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C33, C34, C35, C36, C37, C38, C39, C40, C41, C42, C43, C44 |
| 8 | 47R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R5, R6, R7, R15, R23, R24 |
| 7 | 680R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9, R10, R11, R12, R13, R14, R22 |
| 6 | 33R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R44, R45, R46, R47, R48, R49 |
| 6 | BAT54S | Package_TO_SOT_SMD:SOT-23 | D26, D27, D30, D31, D34, D35 |
| 4 | GREEN LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D40, D41, D42, D49 |
| 3 | 120R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R19, R20, R21 |
| 3 | ACT45B-101-2P-TL003 | Eagle_Main:ACT45B-xxx-2P-TL003 | FL1, FL2, FL3 |
| 3 | Conn_01x02 | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | J1, J8, J9 |
| 3 | MCP2562FD | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U13, U14, U15 |
| 3 | NUP2105L | Package_TO_SOT_SMD:SOT-23 | D19, D20, D21 |
| 3 | RED LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D37, D38, D39 |
| 2 | 10uF 16V | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C18, C19 |
| 2 | 20pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C9, C11 |
| 2 | 4k7R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4 |
| 2 | 5k1R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17, R18 |
| 2 | MountingHole | MountingHole:MountingHole_2.2mm_M2_ISO14580 | H1, H2 |
| 1 | 100nF 16V | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C17 |
| 1 | 10kR | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C20 |
| 1 | 16MHz | Crystal:Crystal_SMD_EuroQuartz_MT-4Pin_3.2x2.5mm | Y2 |
| 1 | 750mA Polyfuse | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1 |
| 1 | CAN interfaces | 1803329:SHDRRA7W83P0X381_1X7_2806X920X825P | J5 |
| 1 | Debug | Eagle_Connectors:SAMTEC_FTSH-107-01-L-DV-K-TR | J7 |
| 1 | FerriteBead | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | I2C connector | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | LD1117S33TR | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | LOGO | MIALIBRERIA:LOGO | G*** |
| 1 | LOGO | Eagle_Logos:newlogo | G*** |
| 1 | RESET | Button_Switch_SMD:SW_SPST_FSMSM | SW2 |
| 1 | SPI connector | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | STM32G473CCTx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U2 |
| 1 | USART2 connector | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U1 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11 | J4 |
It measures 68.1 × 39.5 mm and has 4 copper layers, 1.6 mm thick.
115 parts, built around the MCP2562FD-E/P, LD1117S33TR(MS), USBLC6-2SC6 and BAT54S. 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.
From the ale-giustina/CAN-serializer repository on GitHub, at the commit this page was made from: the board is CAN-serializer.kicad_pcb and its schematic CAN-serializer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask ale-giustina before reusing the design.
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