# TCAN1043HDQ1 Reference Design ## Description This TCAN1043HDQ1-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 #TCAN1043HDQ1 #TCAN1043 #template #canbus #texas-instruments #reference-design ## Project Details - **Owner:** vasy_skral - **Created:** 7/24/2023 - **Last Updated:** 3/6/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 2 ## 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 Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/nup2105l.pdf - Manufacturer Part Number: NUP2105L - Part Type: Protection **Pins:** - A [pin 3] - K1 [pin 1] - K2 [pin 2] ### MCU — [Connector 01x08 0.100](https://www.flux.ai/vasy_skral/connector-01x08-0100~q3l.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] - Pin_7 [pin 7] - Pin_8 [pin 8] ### PWR — [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] ### U1 — [TCAN1043HDQ1](https://www.flux.ai/vasy_skral/tcan1043hdq1~ti0.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/tcan1043-q1.pdf - Manufacturer Part Number: TCAN1043HDQ1 - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CANH [pin 13] - CANL [pin 12] - EN [pin 6] - GND [pin 2] - INH [pin 7] - NC [pin 11] - NFAULT [pin 8] - NSTB [pin 14] - RXD [pin 4] - TXD [pin 1] - VCC [pin 3] - VIO [pin 5] - VSUP [pin 10] - WAKE [pin 9] ### WAKE — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/tcan1043hdq1-reference-design~woa](https://www.flux.ai/vasy_skral/tcan1043hdq1-reference-design~woa).* --- *Generated from [https://www.flux.ai/vasy_skral/tcan1043hdq1-reference-design~woa](https://www.flux.ai/vasy_skral/tcan1043hdq1-reference-design~woa)*