# TCAN1042 Reference Design ## Description This TCAN1042HDR-based reference design is a CAN bus transceiver circuit that facilitates robust data communication across the CAN network. The design incorporates a variety of capacitors and resistors to maintain signal quality, and it employs a NUP2105L for voltage protection. This circuit is ideally suited for applications that need reliable data communication in automotive or industrial settings. #referenceDesign #project #CANbus #interface #transceiverCircuit #TCAN1042 #TCAN1042HDR #referenceDesign #canbus #texas-instruments #reference-design #template ## Project Details - **Owner:** vasy_skral - **Created:** 7/22/2023 - **Last Updated:** 3/6/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 3 ## 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 - Manufacturer Part Number: NUP2105L - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/nup2105l.pdf - Manufacturer Name: Diotec Semiconductor **Pins:** - A [pin 3] - K1 [pin 1] - K2 [pin 2] ### MCU — [Connector 01x04 0.100](https://www.flux.ai/vasy_skral/connector-01x04-0100~go.md) - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U2 — [TCAN1042HDR](https://www.flux.ai/vasy_skral/tcan1042hdr~a8.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TCAN1042HDR - Datasheet URL: https://www.ti.com/lit/ug/sllu234a/sllu234a.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CANH [pin 7] - CANL [pin 6] - GND [pin 2] - NC [pin 5] - RXD [pin 4] - STB [pin 8] - TXD [pin 1] - VCC [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/tcan1042-reference-design~0j9](https://www.flux.ai/vasy_skral/tcan1042-reference-design~0j9).* --- *Generated from [https://www.flux.ai/vasy_skral/tcan1042-reference-design~0j9](https://www.flux.ai/vasy_skral/tcan1042-reference-design~0j9)*