# TJA1051TK Reference Design ## Description This TJA1051TK-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 #TJA1051TK/3,118 #TJA1051TK #referenceDesign #canbus #nxp #template #reference-design ## Project Details - **Owner:** vasy_skral - **Created:** 8/15/2023 - **Last Updated:** 3/4/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **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) - Part Type: Protection - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/nup2105l.pdf - Manufacturer Name: Diotec Semiconductor - Manufacturer Part Number: NUP2105L **Pins:** - A [pin 3] - K1 [pin 1] - K2 [pin 2] ### MCU — [Pin Header 01x06 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x06-254mm-vertical~jyw.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### U1 — [TJA1051TK_3,118](https://www.flux.ai/vasy_skral/tja1051tk3c118~ex.md) - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/TJA1051.pdf - Part Type: Integrated Circuit - Manufacturer Name: NXP - Manufacturer Part Number: TJA1051TK/3,118 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CANH [pin 7] - CANL [pin 6] - EPAD [pin 9] - GND [pin 2] - RXD [pin 4] - S [pin 8] - TXD [pin 1] - VCC [pin 3] - VIO [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/tja1051tk-reference-design~31l](https://www.flux.ai/vasy_skral/tja1051tk-reference-design~31l).* --- *Generated from [https://www.flux.ai/vasy_skral/tja1051tk-reference-design~31l](https://www.flux.ai/vasy_skral/tja1051tk-reference-design~31l)*