# MCP2561FD Reference Design ## Description This MCP2561FD-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #MCP2561FD-E/P #MCP2561FD #referenceDesign #canbus #microchip #template #reference-design ## Project Details - **Owner:** vasy_skral - **Created:** 7/28/2023 - **Last Updated:** 3/5/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Forks:** 1 - **Copies:** 4 ## Key Components ### CANBUS — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### D1 — [NUP2105L](https://www.flux.ai/vasy_skral/nup2105l~ky3.md) - Manufacturer Part Number: NUP2105L - Part Type: Protection - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/nup2105l.pdf **Pins:** - A [pin 3] - K [pin 1] - K [pin 2] ### MCU — [Pin Header 01x05 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x05-254mm-vertical~cas.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### U1 — [MCP2561FD-E/P](https://www.flux.ai/vasy_skral/mcp2561fd-ep~suj.md) - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/20005284A.pdf - Manufacturer Part Number: MCP2561FD-E/P - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Microchip - Part Type: Integrated Circuit **Pins:** - CANH [pin 7] - CANL [pin 6] - RXD [pin 4] - SPLIT [pin 5] - STBY [pin 8] - TXD [pin 1] - VDD [pin 3] - VSS [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/mcp2561fd-reference-design~ug](https://www.flux.ai/vasy_skral/mcp2561fd-reference-design~ug).* --- *Generated from [https://www.flux.ai/vasy_skral/mcp2561fd-reference-design~ug](https://www.flux.ai/vasy_skral/mcp2561fd-reference-design~ug)*