# ISO1042-Q1DWV Reference Design ## Description This ISO1042BDWR-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 #ISO1042 #ISO1042BDWR #referenceDesign #canbus #texas-instruments #template #reference-design ## Project Details - **Owner:** vasy_skral - **Created:** 7/25/2023 - **Last Updated:** 3/5/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 5 ## Key Components ### CANBus — [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] ### 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 Part Number: NUP2105L - 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] ### U1 — [ISO1042-Q1DWV](https://www.flux.ai/vasy_skral/iso1042-q1dwv~ixq.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: ISO1042-Q1DWV - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/iso1042-q1.pdf **Pins:** - CANH [pin 7] - CANL [pin 6] - GND1 [pin 4] - GND2 [pin 5] - RXD [pin 3] - TXD [pin 2] - VCC1 [pin 1] - VCC2 [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/iso1042-q1dwv-reference-design~kt](https://www.flux.ai/vasy_skral/iso1042-q1dwv-reference-design~kt).* --- *Generated from [https://www.flux.ai/vasy_skral/iso1042-q1dwv-reference-design~kt](https://www.flux.ai/vasy_skral/iso1042-q1dwv-reference-design~kt)*