# ESP32 CAN-FD Bridge ## Description Inline automotive CAN-FD bridge with ESP32-S3 BLE control, six TCAN4550-Q1 interfaces, fail-safe relay bypass, protected 12V input, USB-C programming, and 4-layer PCB target. ## Project Details - **Owner:** buhhunyx - **Created:** 7/11/2026 - **Last Updated:** 7/13/2026 - **Visibility:** Public ## Key Components ### D1 — [SM8S24A-Q](https://www.flux.ai/lcsc/sm8s24a-q~oof4.md) - Package or Case Code: DO-218_L13.5-W8.5-LS15.5-RD - Role Details: AEC-Q101 24V standoff high-power input TVS; clamp validation vs regulator abs max required - Part Type: TVS - LCSC Part Number: C1983507 - Role: Clamping - JLCPCB Part Class: Extended Part - Manufacturer Part Number: SM8S24A-Q - Manufacturer Name: BOURNS **Pins:** - A [pin 2] - K [pin 1] ### D10 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_ESDCAN24-2BLY_STMicroelectronics-ESDCAN24-2BLY_C246766.html - Package or Case Code: SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR - LCSC Part Number: C246766 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: ESDCAN24-2BLY - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809061820_STMicroelectronics-ESDCAN24-2BLY_C246766.pdf - Role: Protection - Manufacturer Name: ST(意法半导体) - Part Type: TVS - Role Details: CAN_H/CAN_L ESD protection for each external CAN segment **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D11 — [USBLC6-2P6](https://www.flux.ai/kicad-part-library/usblc6-2p6~djt.md) - Role: Protection - Package or Case Code: SOT-666 - Role Details: Low-capacitance ESD protection for USB2 D+/D- - Manufacturer Part Number: USBLC6-2P6 - Part Type: Protection - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://www.st.com/resource/en/datasheet/usblc6-2.pdf **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D2 — [SS310](https://www.flux.ai/lcsc/ss310~gei3.md) - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/cda874511c69991ae0801af1c43cde221f6b30a8f295bc27f86dfdc067797240.pdf - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Part Number: SS310 - LCSC Part Number: C2988628 - Role: Flyback / Freewheeling - Role Details: Flyback clamp for relay coil pair per bus - Manufacturer Name: UMW(友台半导体) - Package or Case Code: SMA_L4.3-W2.6-LS5.1-RD **Pins:** - A [pin 2] - K [pin 1] ### D3 — [SS310](https://www.flux.ai/lcsc/ss310~gei3.md) - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Part Number: SS310 - Role: Flyback / Freewheeling - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/cda874511c69991ae0801af1c43cde221f6b30a8f295bc27f86dfdc067797240.pdf - JLCPCB Part Class: Extended Part - Role Details: Flyback clamp for relay coil pair per bus - Manufacturer Name: UMW(友台半导体) - Package or Case Code: SMA_L4.3-W2.6-LS5.1-RD - LCSC Part Number: C2988628 **Pins:** - A [pin 2] - K [pin 1] ### D4 — [SS310](https://www.flux.ai/lcsc/ss310~gei3.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/cda874511c69991ae0801af1c43cde221f6b30a8f295bc27f86dfdc067797240.pdf - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Part Number: SS310 - JLCPCB Part Class: Extended Part - Manufacturer Name: UMW(友台半导体) - Package or Case Code: SMA_L4.3-W2.6-LS5.1-RD - Role Details: Flyback clamp for relay coil pair per bus - LCSC Part Number: C2988628 - Role: Flyback / Freewheeling **Pins:** - A [pin 2] - K [pin 1] ### D5 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - LCSC Part Number: C246766 - Package or Case Code: SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_ESDCAN24-2BLY_STMicroelectronics-ESDCAN24-2BLY_C246766.html - Role: Protection - Role Details: CAN_H/CAN_L ESD protection for each external CAN segment - Manufacturer Name: ST(意法半导体) - Part Type: TVS - Manufacturer Part Number: ESDCAN24-2BLY - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809061820_STMicroelectronics-ESDCAN24-2BLY_C246766.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D6 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - LCSC Part Number: C246766 - Package or Case Code: SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_ESDCAN24-2BLY_STMicroelectronics-ESDCAN24-2BLY_C246766.html - Role: Protection - Manufacturer Name: ST(意法半导体) - Part Type: TVS - Manufacturer Part Number: ESDCAN24-2BLY - Role Details: CAN_H/CAN_L ESD protection for each external CAN segment - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809061820_STMicroelectronics-ESDCAN24-2BLY_C246766.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D7 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - Manufacturer Name: ST(意法半导体) - Part Type: TVS - Manufacturer Part Number: ESDCAN24-2BLY - Role: Protection - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809061820_STMicroelectronics-ESDCAN24-2BLY_C246766.pdf - LCSC Part Number: C246766 - Package or Case Code: SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR - JLCPCB Part Class: Extended Part - Role Details: CAN_H/CAN_L ESD protection for each external CAN segment - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_ESDCAN24-2BLY_STMicroelectronics-ESDCAN24-2BLY_C246766.html **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D8 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR - Role: Protection - LCSC Part Number: C246766 - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_ESDCAN24-2BLY_STMicroelectronics-ESDCAN24-2BLY_C246766.html - Part Type: TVS - Manufacturer Name: ST(意法半导体) - Role Details: CAN_H/CAN_L ESD protection for each external CAN segment - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809061820_STMicroelectronics-ESDCAN24-2BLY_C246766.pdf - Manufacturer Part Number: ESDCAN24-2BLY **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D9 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - Role Details: CAN_H/CAN_L ESD protection for each external CAN segment - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_ESDCAN24-2BLY_STMicroelectronics-ESDCAN24-2BLY_C246766.html - JLCPCB Part Class: Extended Part - LCSC Part Number: C246766 - Package or Case Code: SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809061820_STMicroelectronics-ESDCAN24-2BLY_C246766.pdf - Manufacturer Part Number: ESDCAN24-2BLY - Role: Protection - Part Type: TVS - Manufacturer Name: ST(意法半导体) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### F1 — [1812L200/12DR](https://www.flux.ai/jecstronic/1812l20012dr~98l.md) - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/resettable_ptcs/littelfuse_ptc_1812l_datasheet.pdf.pdf - Role: Protection - Manufacturer Name: Littelfuse Inc. - Manufacturer Part Number: 1812L150/12DR - Role Details: 2A hold PTC fuse on vehicle 12V input - Part Type: Fuse - Current Rating: 2A - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [1-2377481-1](https://www.flux.ai/adrian95/1-2377481-1.md) - Manufacturer Name: TE Connectivity Deutsch Connectors - License: https://creativecommons.org/licenses/by/4.0/ - Mount: Through Hole - Manufacturer Part Number: 1-2377481-1 - Part Type: Connectors - Role: Automotive Connector - Symbol Style: parametric-v1 - Role Details: 18-position sealed TE Deutsch header; pins 1-14 assigned, 15-18 spare - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/c4fed392085f0290cfb07bfa7ec3a425dfa7d2f6fbe8c04bbaff26aea6b285f3.pdf **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J2 — [USB4105-GF-A](https://www.flux.ai/adrian95/usb4105-gf-a~im9.md) - Datasheet URL: https://gct.co/files/specs/usb4105-spec.pdf - Manufacturer Part Number: USB4105-GF-A - Manufacturer Name: GCT - Symbol Style: parametric-v1 - Role Details: USB2 device/sink connector for ESP32-S3 native USB - Role: USB-C Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: GCT - Part Type: USB C **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1_B12] - GND__1 [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin SH1] - SHELL_GND__1 [pin SH2] - SHELL_GND__2 [pin SH3] - SHELL_GND__3 [pin SH4] - VBUS [pin A4_B9] - VBUS__1 [pin B4_A9] ### K1 — [HFD27/012-S](https://www.flux.ai/adrian95/hfd27012-s~7rh.md) - Role Details: 12V DPDT relay; two per bus for CAN_H/CAN_L bypass and active transceiver connection - Role: Switching - Manufacturer Part Number: HFD27/012-S - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: HONGFA - Part Type: Relay - Datasheet URL: https://www.verical.com/datasheet/hongfa-signal-relays-HFD27-012-S-7301522.pdf **Pins:** - COIL_1 [pin 1] - COIL_2 [pin 16] - COMMON_1 [pin 4] - COMMON_2 [pin 13] - NC_1 [pin 6] - NC_2 [pin 11] - NO_1 [pin 8] - NO_2 [pin 9] ### K2 — [HFD27/012-S](https://www.flux.ai/adrian95/hfd27012-s~7rh.md) - Role Details: 12V DPDT relay; two per bus for CAN_H/CAN_L bypass and active transceiver connection - Manufacturer Part Number: HFD27/012-S - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: HONGFA - Part Type: Relay - Datasheet URL: https://www.verical.com/datasheet/hongfa-signal-relays-HFD27-012-S-7301522.pdf - Role: Switching **Pins:** - COIL_1 [pin 1] - COIL_2 [pin 16] - COMMON_1 [pin 4] - COMMON_2 [pin 13] - NC_1 [pin 6] - NC_2 [pin 11] - NO_1 [pin 8] - NO_2 [pin 9] ### K3 — [HFD27/012-S](https://www.flux.ai/adrian95/hfd27012-s~7rh.md) - Manufacturer Part Number: HFD27/012-S - Manufacturer Name: HONGFA - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.verical.com/datasheet/hongfa-signal-relays-HFD27-012-S-7301522.pdf - Part Type: Relay - Role Details: 12V DPDT relay; two per bus for CAN_H/CAN_L bypass and active transceiver connection - Role: Switching **Pins:** - COIL_1 [pin 1] - COIL_2 [pin 16] - COMMON_1 [pin 4] - COMMON_2 [pin 13] - NC_1 [pin 6] - NC_2 [pin 11] - NO_1 [pin 8] - NO_2 [pin 9] ### K4 — [HFD27/012-S](https://www.flux.ai/adrian95/hfd27012-s~7rh.md) - Role Details: 12V DPDT relay; two per bus for CAN_H/CAN_L bypass and active transceiver connection - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: HONGFA - Role: Switching - Manufacturer Part Number: HFD27/012-S - Part Type: Relay - Datasheet URL: https://www.verical.com/datasheet/hongfa-signal-relays-HFD27-012-S-7301522.pdf **Pins:** - COIL_1 [pin 1] - COIL_2 [pin 16] - COMMON_1 [pin 4] - COMMON_2 [pin 13] - NC_1 [pin 6] - NC_2 [pin 11] - NO_1 [pin 8] - NO_2 [pin 9] ### K5 — [HFD27/012-S](https://www.flux.ai/adrian95/hfd27012-s~7rh.md) - Manufacturer Name: HONGFA - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HFD27/012-S - Role: Switching - Part Type: Relay - Datasheet URL: https://www.verical.com/datasheet/hongfa-signal-relays-HFD27-012-S-7301522.pdf - Role Details: 12V DPDT relay; two per bus for CAN_H/CAN_L bypass and active transceiver connection **Pins:** - COIL_1 [pin 1] - COIL_2 [pin 16] - COMMON_1 [pin 4] - COMMON_2 [pin 13] - NC_1 [pin 6] - NC_2 [pin 11] - NO_1 [pin 8] - NO_2 [pin 9] ### K6 — [HFD27/012-S](https://www.flux.ai/adrian95/hfd27012-s~7rh.md) - Manufacturer Part Number: HFD27/012-S - Manufacturer Name: HONGFA - License: https://creativecommons.org/licenses/by/4.0/ - Role: Switching - Role Details: 12V DPDT relay; two per bus for CAN_H/CAN_L bypass and active transceiver connection - Part Type: Relay - Datasheet URL: https://www.verical.com/datasheet/hongfa-signal-relays-HFD27-012-S-7301522.pdf **Pins:** - COIL_1 [pin 1] - COIL_2 [pin 16] - COMMON_1 [pin 4] - COMMON_2 [pin 13] - NC_1 [pin 6] - NC_2 [pin 11] - NO_1 [pin 8] - NO_2 [pin 9] ### LED1 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Part Type: LED - Manufacturer Name: Würth Elektronik - Role Details: Green system status indicator - Role: Signal Generation - Manufacturer Part Number: 150060VS55040 **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [150060RS73220](https://www.flux.ai/vasy_skral/150060rs73220~kj9.md) - Part Type: LED - Role: Signal Generation - Role Details: Red fault/status indicator - Manufacturer Name: Würth Elektronik - Manufacturer Part Number: 150060RS73220 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060RS73220.pdf **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [SUD19P06-60](https://www.flux.ai/kicad-part-library/sud19p06-60~8sa.md) - Manufacturer Part Number: SUD19P06-60 - Role: Reverse Polarity Protection - Role Details: 60V P-channel MOSFET used as reverse-battery protection element - Datasheet URL: https://www.vishay.com/docs/69253/sud19p06.pdf - Package or Case Code: TO-252-2 **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q2 — [DMN3404L-7](https://www.flux.ai/jecstronic/dmn3404l-7~b7u.md) - Role Details: Logic-level N-MOSFET low-side relay driver - Part Type: Transistor - Manufacturer Name: Diodes Incorporated - Role: Switching - Manufacturer Part Number: DMN3404L-7 - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMN3404L.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [DMN3404L-7](https://www.flux.ai/jecstronic/dmn3404l-7~b7u.md) - Role Details: Logic-level N-MOSFET low-side relay driver - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: DMN3404L-7 - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMN3404L.pdf - Role: Switching - Part Type: Transistor - Manufacturer Name: Diodes Incorporated **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q4 — [DMN3404L-7](https://www.flux.ai/jecstronic/dmn3404l-7~b7u.md) - Manufacturer Part Number: DMN3404L-7 - Role: Switching - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMN3404L.pdf - Role Details: Logic-level N-MOSFET low-side relay driver - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Diodes Incorporated - Part Type: Transistor **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### S1 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - Manufacturer Part Number: B3FS-1002P - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components - Manufacturer Name: Omron Electronics Inc-EMC Div - Role: Switching - Role Details: Momentary pushbutton for BOOT/RESET **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW1 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Manufacturer Part Number: B3FS-1002P - Role Details: Momentary pushbutton for BOOT/RESET - Role: Switching - Manufacturer Name: Omron Electronics Inc-EMC Div **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — [ESP32-S3-WROOM-1-N16R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n16r8~fs1.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Module - Role: Microcontroller module - Manufacturer Part Number: ESP32-S3-WROOM-1-N16R8 - Role Details: ESP32-S3 BLE/WiFi module, 16MB flash, 8MB PSRAM - Datasheet URL: https://www.mouser.com/datasheet/2/891/esp32_s3_wroom_1_wroom_1u_datasheet_en-2930317.pdf - Manufacturer Name: Espressif Systems - Symbol Style: parametric-v1 **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND_1 [pin 1] - GND_10 [pin 48] - GND_11 [pin 49] - GND_2 [pin 40] - GND_3 [pin 41] - GND_4 [pin 42] - GND_5 [pin 43] - GND_6 [pin 44] - GND_7 [pin 45] - GND_8 [pin 46] - GND_9 [pin 47] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U10 — [CDCLVC1106PWR](https://www.flux.ai/jecstronic/cdclvc1106pwr~x17.md) - Manufacturer Part Number: CDCLVC1106PWR - Datasheet URL: https://www.ti.com/lit/ds/symlink/cdclvc1104.pdf - Part Type: Integrated Circuit - Role Details: Clock fanout buffer for six TCAN4550 OSC1 inputs - Role: Signal Generation - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1G [pin 2] - CLKIN [pin 1] - GND [pin 4] - GND [pin 10] - GND [pin 7] - VDD [pin 12] - VDD [pin 8] - VDD [pin 5] - Y0 [pin 3] - Y1 [pin 14] - Y2 [pin 11] - Y3 [pin 13] - Y4 [pin 6] - Y5 [pin 9] ### U2 — [TCAN4550RGYTQ1](https://www.flux.ai/jecstronic/tcan4550rgytq1~85f.md) - Role Details: SPI CAN-FD interface, TCAN4550-Q1 family - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TCAN4550RGYTQ1 - Role: CAN-FD Controller/Transceiver - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftcan4550-q1 - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit **Pins:** - ~CS [pin 7] - ~INT [pin 8] - ~WKRQ [pin 2] - CANH [pin 11] - CANL [pin 10] - EXP [pin 21] - EXP__1 [pin 22] - EXP__2 [pin 23] - EXP__3 [pin 24] - EXP__4 [pin 25] - FLTR [pin 18] - GND [pin 13] - GPIO1 [pin 3] - GPO2 [pin 9] - INH [pin 15] - OSC1 [pin 1] - OSC2 [pin 20] - RST [pin 19] - SCLK [pin 4] - SDI [pin 5] - SDO [pin 6] - VCCOUT [pin 16] - VIO [pin 17] - VSUP [pin 14] - WAKE [pin 12] ### U3 — [TCAN4550RGYTQ1](https://www.flux.ai/jecstronic/tcan4550rgytq1~85f.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Role Details: SPI CAN-FD interface, TCAN4550-Q1 family - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftcan4550-q1 - Role: CAN-FD Controller/Transceiver - Manufacturer Part Number: TCAN4550RGYTQ1 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~CS [pin 7] - ~INT [pin 8] - ~WKRQ [pin 2] - CANH [pin 11] - CANL [pin 10] - EXP [pin 21] - EXP__1 [pin 22] - EXP__2 [pin 23] - EXP__3 [pin 24] - EXP__4 [pin 25] - FLTR [pin 18] - GND [pin 13] - GPIO1 [pin 3] - GPO2 [pin 9] - INH [pin 15] - OSC1 [pin 1] - OSC2 [pin 20] - RST [pin 19] - SCLK [pin 4] - SDI [pin 5] - SDO [pin 6] - VCCOUT [pin 16] - VIO [pin 17] - VSUP [pin 14] - WAKE [pin 12] ### U4 — [TCAN4550RGYTQ1](https://www.flux.ai/jecstronic/tcan4550rgytq1~85f.md) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftcan4550-q1 - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Role: CAN-FD Controller/Transceiver - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TCAN4550RGYTQ1 - Role Details: SPI CAN-FD interface, TCAN4550-Q1 family **Pins:** - ~CS [pin 7] - ~INT [pin 8] - ~WKRQ [pin 2] - CANH [pin 11] - CANL [pin 10] - EXP [pin 21] - EXP__1 [pin 22] - EXP__2 [pin 23] - EXP__3 [pin 24] - EXP__4 [pin 25] - FLTR [pin 18] - GND [pin 13] - GPIO1 [pin 3] - GPO2 [pin 9] - INH [pin 15] - OSC1 [pin 1] - OSC2 [pin 20] - RST [pin 19] - SCLK [pin 4] - SDI [pin 5] - SDO [pin 6] - VCCOUT [pin 16] - VIO [pin 17] - VSUP [pin 14] - WAKE [pin 12] ### U5 — [TCAN4550RGYTQ1](https://www.flux.ai/jecstronic/tcan4550rgytq1~85f.md) - Role Details: SPI CAN-FD interface, TCAN4550-Q1 family - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TCAN4550RGYTQ1 - Role: CAN-FD Controller/Transceiver - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftcan4550-q1 - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit **Pins:** - ~CS [pin 7] - ~INT [pin 8] - ~WKRQ [pin 2] - CANH [pin 11] - CANL [pin 10] - EXP [pin 21] - EXP__1 [pin 22] - EXP__2 [pin 23] - EXP__3 [pin 24] - EXP__4 [pin 25] - FLTR [pin 18] - GND [pin 13] - GPIO1 [pin 3] - GPO2 [pin 9] - INH [pin 15] - OSC1 [pin 1] - OSC2 [pin 20] - RST [pin 19] - SCLK [pin 4] - SDI [pin 5] - SDO [pin 6] - VCCOUT [pin 16] - VIO [pin 17] - VSUP [pin 14] - WAKE [pin 12] ### U6 — [TCAN4550RGYTQ1](https://www.flux.ai/jecstronic/tcan4550rgytq1~85f.md) - Manufacturer Part Number: TCAN4550RGYTQ1 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Role: CAN-FD Controller/Transceiver - Role Details: SPI CAN-FD interface, TCAN4550-Q1 family - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftcan4550-q1 **Pins:** - ~CS [pin 7] - ~INT [pin 8] - ~WKRQ [pin 2] - CANH [pin 11] - CANL [pin 10] - EXP [pin 21] - EXP__1 [pin 22] - EXP__2 [pin 23] - EXP__3 [pin 24] - EXP__4 [pin 25] - FLTR [pin 18] - GND [pin 13] - GPIO1 [pin 3] - GPO2 [pin 9] - INH [pin 15] - OSC1 [pin 1] - OSC2 [pin 20] - RST [pin 19] - SCLK [pin 4] - SDI [pin 5] - SDO [pin 6] - VCCOUT [pin 16] - VIO [pin 17] - VSUP [pin 14] - WAKE [pin 12] ### U7 — [TCAN4550RGYTQ1](https://www.flux.ai/jecstronic/tcan4550rgytq1~85f.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: SPI CAN-FD interface, TCAN4550-Q1 family - Manufacturer Part Number: TCAN4550RGYTQ1 - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftcan4550-q1 - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Role: CAN-FD Controller/Transceiver **Pins:** - ~CS [pin 7] - ~INT [pin 8] - ~WKRQ [pin 2] - CANH [pin 11] - CANL [pin 10] - EXP [pin 21] - EXP__1 [pin 22] - EXP__2 [pin 23] - EXP__3 [pin 24] - EXP__4 [pin 25] - FLTR [pin 18] - GND [pin 13] - GPIO1 [pin 3] - GPO2 [pin 9] - INH [pin 15] - OSC1 [pin 1] - OSC2 [pin 20] - RST [pin 19] - SCLK [pin 4] - SDI [pin 5] - SDO [pin 6] - VCCOUT [pin 16] - VIO [pin 17] - VSUP [pin 14] - WAKE [pin 12] ### U8 — [LMR33630AQRNXRQ1](https://www.flux.ai/lcsc/lmr33630aqrnxrq1~zggh.md) - Role: Switching Regulator - JLCPCB Part Class: Extended Part - Package or Case Code: VQFN-12_L3.0-W2.0-P0.65-BL_TI_RNX - Role Details: 12V vehicle input to 5V rail, 3A max - Manufacturer Name: TI(德州仪器) - Part Type: DC-DC Converters - Manufacturer Part Number: LMR33630AQRNXRQ1 - LCSC Part Number: C1850374 **Pins:** - AGND [pin 6] - BOOT [pin 4] - EN [pin 9] - FB [pin 7] - NC [pin 3] - PG [pin 8] - PGND [pin 1] - PGND [pin 11] - SW [pin 12] - VCC [pin 5] - VIN [pin 2] - VIN [pin 10] ### U9 — [TPS7B8633BQDDARQ1](https://www.flux.ai/jecstronic/tps7b8633bqddarq1~nzo.md) - Role Details: 5V to 3.3V logic rail, 500mA automotive LDO - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps7b86-q1.pdf - Manufacturer Part Number: TPS7B8633BQDDARQ1 - Role: LDO Regulator - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments Inc. **Pins:** - EN [pin 7] - EP [pin 9] - FB/NC [pin 2] - GND [pin 5] - IN [pin 8] - NC_1 [pin 3] - NC_2 [pin 4] - NC_3 [pin 6] - OUT [pin 1] ### X1 — [ASV2-40.000MHZ-C-L1-T](https://www.flux.ai/lcsc/asv2-40p000mhz-c-l1-t~61u4.md) - LCSC Part Number: C1989360 - Manufacturer Part Number: ASV2-40.000MHZ-C-L1-T - Role Details: 40MHz oscillator feeding clock fanout buffer - Role: Signal Generation - Manufacturer Name: ABRACON - Package or Case Code: OSC-SMD_4P-L7.0-W5.0-BL_ABRACON_ASV2 - JLCPCB Part Class: Extended Part **Pins:** - GND/Case [pin 2] - Output [pin 3] - Tristate_Enable/Disable [pin 1] - VDD [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/buhhunyx/esp32-can-fd-bridge~c6](https://www.flux.ai/buhhunyx/esp32-can-fd-bridge~c6).* --- *Generated from [https://www.flux.ai/buhhunyx/esp32-can-fd-bridge~c6](https://www.flux.ai/buhhunyx/esp32-can-fd-bridge~c6)*