# EV Charging Board Rev A Interface ## Description Requirements capture for a single-phase 220 V EV charging board with 11 kW / 50 A target, CP/PP vehicle interface, GFCI and weld-detection safety functions, and a two-level architecture using a real-time charging board plus upper control board. ## Project Details - **Owner:** hwangmoonjin - **Created:** 4/13/2026 - **Last Updated:** 4/15/2026 - **Visibility:** Public - **Compliance:** IEC 61851-1; IEC 62196-2; ISO 15118-1/2; IEC 60364-7-722; IEC 61643-11; CISPR 32 / KN32; IEC 61000-4-x; KC; MID / OIML R46; OCPP 1.6 / 2.0.1 - **Reliability Target (MTBF):** To be defined in later design phase - **Implementation Details:** Requirements capture phase complete: blocks include power/protection, EV CP/PP interface, real-time control board, and upper control board. Safety includes GFCI 30mA <=30ms, weld detect within 200ms after contactor OFF, ZCD timeout 100ms, E-STOP, overtemperature, and flood protection. - **Operating Voltage:** AC 220V nominal; allowed operating window 180V to 264V; AC frequency 47Hz to 63Hz - **Power Requirements:** Single-phase AC 220V input; 11kW / 50A maximum charging target ## Key Components ### D1 — [ESDCAN24-2BLY](https://www.flux.ai/lcsc/esdcan24-2bly~xico.md) - Manufacturer Name: ST(意法半导体) - Package: SOT-23 - Manufacturer Part Number: ESDCAN24-2BLY - Role: CAN bus protection - 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 - LCSC Part Number: C246766 - Part Type: TVS - Role Details: Dual-line TVS protection for B2B_CAN_H and B2B_CAN_L near the board-to-board connector. - JLCPCB Part Class: Extended Part - 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] ### D2 — [SMBJ24A](https://www.flux.ai/cherepanyadima/smbj24a~2b.md) - Part Type: TVS - Package: SMB - Role Details: Primary surge clamp on B2B_24V_IN near the RT-side connector entry. - Manufacturer Part Number: SMBJ24A-TR - Role: 24 V input TVS protection - Manufacturer Name: Taiwan Semiconductor Corporation - Datasheet URL: https://services.taiwansemi.com/storage/resources/datasheet/SMBJ%20SERIES_R2104.pdf **Pins:** - A [pin 2] - K [pin 1] ### F1 — [MF-MSMF110/24X-2](https://www.flux.ai/adrian95/mf-msmf11024x-2~gk0.md) - Manufacturer Part Number: MF-MSMF110/24X-2 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Fuse - Datasheet URL: https://www.bourns.com/docs/product-datasheets/mf-msmf.pdf - Manufacturer Name: Bourns Inc. - Role Details: PTC fuse between B2B_24V_IN and RT_24V_IN_FUSED for early bring-up and board-side fault protection. - Role: 24 V entry protection - Package: 1812 **Pins:** - P1 [pin 1] - P2 [pin 2] ### IC1 — [TPS560430X3FDBVR](https://www.flux.ai/adrian95/tps560430x3fdbvr~ujz.md) - License: https://creativecommons.org/licenses/by/4.0/ - Package: SOT-23-6 - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS560430X3FDBVR - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps560430.pdf - Role: 3.3V buck regulator - Role Details: Converts RT_24V_IN_FUSED to RT_3V3_AUX for auxiliary logic rail - Part Type: Integrated Circuit **Pins:** - CB [pin 1] - EN [pin 4] - FB [pin 3] - GND [pin 2] - SW [pin 6] - VIN [pin 5] ### J1 — [TFML-120-01-S-D-RA](https://www.flux.ai/lcsc/tfml-120-01-s-d-ra~g5x0.md) - Manufacturer Name: SAMTEC - Package: 40-pin board-to-board connector - JLCPCB Part Class: Extended Part - Role: RT-to-Upper frozen Rev A interface connector - Manufacturer Part Number: TFML-120-01-S-D-RA - Role Details: 40-pin RT-to-Upper connector carrying B2B_24V_IN, CAN, sideband, debug, identity, and reserved signals per frozen Rev A interface. - LCSC Part Number: C841975 - Package or Case Code: CONN-SMD_TFML-120-01-S-D-RA - Part Type: Wire To Board / Wire To Wire Connector **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] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 28 [pin 28] - 29 [pin 29] - 3 [pin 3] - 30 [pin 30] - 31 [pin 31] - 32 [pin 32] - 33 [pin 33] - 34 [pin 34] - 35 [pin 35] - 36 [pin 36] - 37 [pin 37] - 38 [pin 38] - 39 [pin 39] - 4 [pin 4] - 40 [pin 40] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J2 — [640456-6](https://www.flux.ai/adrian95/640456-6~oy5.md) - Role Details: VTref, SWDIO, GND, SWCLK, NRST, SWO header for bring-up and diagnostics - Role: SWD header - Package: PinHeader_2.54mm_1x06 - Part Type: Connector - Package or Case Code: SHDR6W66P0X254_1X6_1524X572X1003P - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: TE Connectivity AMP Connectors - Datasheet URL: https://www.te.com/usa-en/product-640456-6.datasheet.pdf - Manufacturer Part Number: 640456-6 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### Q1 — [PC817X1CSP9F](https://www.flux.ai/jecstronic/pc817x1csp9f~58w.md) - Manufacturer Name: SHARP/Socle Technology - Role Details: Provides galvanic isolation for mains-referenced or external safety sensing paths. - Role: Isolated input - Part Type: Transistor - Package: SOP-4 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: PC817X1CSP9F - Datasheet URL: http://www.socle-tech.com/doc/IC%20Channel%20Product/Optoelectronic%20Components/Photocoupler/PC817X_CSP9F_ED-%E8%B4%B4%E7%89%87.PDF **Pins:** - ANODE [pin 1] - CATHODE [pin 2] - COLLECTOR [pin 4] - EMITTER [pin 3] ### Q2 — [PC817X1CSP9F](https://www.flux.ai/jecstronic/pc817x1csp9f~58w.md) - Manufacturer Part Number: PC817X1CSP9F - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://www.socle-tech.com/doc/IC%20Channel%20Product/Optoelectronic%20Components/Photocoupler/PC817X_CSP9F_ED-%E8%B4%B4%E7%89%87.PDF - Role: Isolated input - Manufacturer Name: SHARP/Socle Technology - Package: SOP-4 - Part Type: Transistor - Role Details: Provides galvanic isolation for mains-referenced or external safety sensing paths. **Pins:** - ANODE [pin 1] - CATHODE [pin 2] - COLLECTOR [pin 4] - EMITTER [pin 3] ### Q3 — [PC817X1CSP9F](https://www.flux.ai/jecstronic/pc817x1csp9f~58w.md) - Part Type: Transistor - Role Details: Provides galvanic isolation for mains-referenced or external safety sensing paths. - Manufacturer Name: SHARP/Socle Technology - Package: SOP-4 - Role: Isolated input - Datasheet URL: http://www.socle-tech.com/doc/IC%20Channel%20Product/Optoelectronic%20Components/Photocoupler/PC817X_CSP9F_ED-%E8%B4%B4%E7%89%87.PDF - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: PC817X1CSP9F **Pins:** - ANODE [pin 1] - CATHODE [pin 2] - COLLECTOR [pin 4] - EMITTER [pin 3] ### SW1 — [PTS810SJK250SMTRLFS](https://www.flux.ai/jharwinbarrozo/pts810sjk250smtrlfs~6tl.md) - Role: Manual reset pushbutton - Role Details: Momentary normally-open switch from RT_MCU_nRESET to GND for manual reset of U8 - Manufacturer Part Number: PTS810SJK250SMTRLFS - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810121650_C-K-PTS810SJK250SMTRLFS_C221896.pdf - Part Type: Switch - Package: SMD - Manufacturer Name: C&K **Pins:** - P1 [pin 1] - P3 [pin 3] ### TP1 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Mount: Surface Mount - Manufacturer Part Number: S1751-46 - Manufacturer Name: Harwin - Role Details: TP_B2B_24V_IN measurement access. - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Package: SMT - Role: Test point - Part Type: Connectors **Pins:** - ~ [pin 1] ### TP10 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role Details: TP_B2B_DBG_UART_TX measurement access. - Package: SMT - Mount: Surface Mount - Role: Test point - Manufacturer Part Number: S1751-46 - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin **Pins:** - ~ [pin 1] ### TP11 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Role Details: TP_B2B_DBG_UART_RX measurement access. - Manufacturer Name: Harwin - Manufacturer Part Number: S1751-46 - Mount: Surface Mount - Part Type: Connectors - Package: SMT - Role: Test point **Pins:** - ~ [pin 1] ### TP12 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Role: Test point - Mount: Surface Mount - Part Type: Connectors - Role Details: TP_RT_CAN_VDD measurement access for the local CAN transceiver supply net. - Manufacturer Part Number: S1751-46 - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin **Pins:** - ~ [pin 1] ### TP13 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Role Details: TP_CP_RAW measurement access. - Part Type: Connectors - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin - Manufacturer Part Number: S1751-46 - Package: SMT - Role: Test point - Mount: Surface Mount **Pins:** - ~ [pin 1] ### TP14 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role Details: TP_CP_SENSE measurement access. - Manufacturer Part Number: S1751-46 - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin - Package: SMT - Role: Test point - Mount: Surface Mount **Pins:** - ~ [pin 1] ### TP15 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role Details: TP_PP_SENSE measurement access. - Manufacturer Name: Harwin - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Part Number: S1751-46 - Role: Test point - Package: SMT - Mount: Surface Mount **Pins:** - ~ [pin 1] ### TP16 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Mount: Surface Mount - Manufacturer Part Number: S1751-46 - Role Details: TP_GFCI_MON measurement access. - Manufacturer Name: Harwin - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Role: Test point - Package: SMT - Part Type: Connectors **Pins:** - ~ [pin 1] ### TP17 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role Details: TP_ZCD_OUT measurement access. - Role: Test point - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin - Manufacturer Part Number: S1751-46 - Package: SMT - Mount: Surface Mount **Pins:** - ~ [pin 1] ### TP18 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Package: SMT - Manufacturer Part Number: S1751-46 - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin - Role: Test point - Mount: Surface Mount - Role Details: TP_ESTOP_L measurement access. **Pins:** - ~ [pin 1] ### TP19 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Role Details: TP_FLOOD_L measurement access. - Part Type: Connectors - Mount: Surface Mount - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin - Package: SMT - Role: Test point - Manufacturer Part Number: S1751-46 **Pins:** - ~ [pin 1] ### TP2 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Role: Test point - Part Type: Connectors - Role Details: TP_RT_24V_IN_FUSED measurement access. - Manufacturer Name: Harwin - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Part Number: S1751-46 - Mount: Surface Mount - Package: SMT **Pins:** - ~ [pin 1] ### TP20 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Manufacturer Part Number: S1751-46 - Manufacturer Name: Harwin - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Role Details: TP_WELD_MON measurement access. - Package: SMT - Mount: Surface Mount - Role: Test point - Part Type: Connectors **Pins:** - ~ [pin 1] ### TP3 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role: Test point - Package: SMT - Mount: Surface Mount - Manufacturer Part Number: S1751-46 - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Role Details: TP_B2B_CAN_H measurement access for the connector-side CAN_H bus net. - Manufacturer Name: Harwin **Pins:** - ~ [pin 1] ### TP4 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role: Test point - Manufacturer Part Number: S1751-46 - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Role Details: TP_B2B_CAN_L measurement access for the connector-side CAN_L bus net. - Manufacturer Name: Harwin - Package: SMT - Mount: Surface Mount **Pins:** - ~ [pin 1] ### TP5 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Role: Test point - Package: SMT - Part Type: Connectors - Role Details: TP_RT_CAN_TXD_TRX measurement access for the CAN transceiver-side TXD digital net. - Mount: Surface Mount - Manufacturer Part Number: S1751-46 - Manufacturer Name: Harwin - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf **Pins:** - ~ [pin 1] ### TP6 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Role: Test point - Part Type: Connectors - Package: SMT - Mount: Surface Mount - Manufacturer Part Number: S1751-46 - Role Details: TP_RT_CAN_RXD_TRX measurement access for the CAN transceiver-side RXD digital net. - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin **Pins:** - ~ [pin 1] ### TP7 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Manufacturer Name: Harwin - Manufacturer Part Number: S1751-46 - Role: Test point - Mount: Surface Mount - Package: SMT - Role Details: TP_B2B_RT_READY measurement access. - Part Type: Connectors **Pins:** - ~ [pin 1] ### TP8 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Role: Test point - Role Details: TP_B2B_CHARGE_EN measurement access. - Package: SMT - Manufacturer Part Number: S1751-46 - Manufacturer Name: Harwin - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Mount: Surface Mount **Pins:** - ~ [pin 1] ### TP9 — [S1751-46](https://www.flux.ai/vasy_skral/s1751-46~eem.md) - Part Type: Connectors - Package: SMT - Datasheet URL: https://content.harwin.com/m/386120eba96d2840/original/DRG-02200-Technical-Drawing-Datasheet-S1751-pdf.pdf - Role: Test point - Manufacturer Name: Harwin - Manufacturer Part Number: S1751-46 - Mount: Surface Mount - Role Details: TP_B2B_FAULT_OUT measurement access. **Pins:** - ~ [pin 1] ### U1 — [TJA1051T-3](https://www.flux.ai/kicad-part-library/tja1051t-3~h7t.md) - Manufacturer Part Number: TJA1051T-3 - Package: SOIC-8 - Datasheet URL: http://www.nxp.com/docs/en/data-sheet/TJA1051.pdf - Manufacturer Name: NXP Semiconductors NV - Package or Case Code: SOIC-8_3.9x4.9mm_P1.27mm - Role: CAN transceiver - Role Details: Rev A CAN transceiver for B2B_CAN_H/L. Digital-side nets use RT_CAN_TXD_TRX and RT_CAN_RXD_TRX. STB and WAKE are intentionally omitted from connector routing in Rev A. **Pins:** - CANH [pin 7] - CANL [pin 6] - GND [pin 2] - RXD [pin 4] - S [pin 8] - TXD [pin 1] - VCC [pin 3] - VIO [pin 5] ### U2 — [OPA188AQDGKRQ1](https://www.flux.ai/jecstronic/opa188aqdgkrq1~t12.md) - Manufacturer Part Number: OPA188AQDGKRQ1 - Package: VSSOP-8 - Part Type: Operational Amplifier (OP-AMP) - Role: CP analog front end - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fopa188-q1 - Role Details: Conditions CP waveform for RT-side ADC/comparator processing while preserving frozen B2B interface. **Pins:** - - [pin 2] - + [pin 3] - NC [pin 8] - NC [pin 5] - NC [pin 1] - OUTPUT [pin 6] - V- [pin 4] - V+ [pin 7] ### U3 — [MCP6566UT-E-OT](https://www.flux.ai/adrian95/mcp6566ut-e-ot~lfb.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.snapeda.com/parts/MCP6566UT-E/OT/Microchip/datasheet/ - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MCP6566UT-E/OT - Role Details: Used across CP/PP and safety pages for MCU-compatible open-drain threshold reporting. - Package: SOT-23-5 - Manufacturer Name: Microchip Technology Inc. - Role: Threshold comparator **Pins:** - OUT [pin 4] - VDD [pin 5] - VIN- [pin 3] - VIN+ [pin 1] - VSS [pin 2] ### U4 — [MCP6566UT-E-OT](https://www.flux.ai/adrian95/mcp6566ut-e-ot~lfb.md) - Role Details: Used across CP/PP and safety pages for MCU-compatible open-drain threshold reporting. - Manufacturer Name: Microchip Technology Inc. - Package: SOT-23-5 - Role: Threshold comparator - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MCP6566UT-E/OT - Datasheet URL: https://www.snapeda.com/parts/MCP6566UT-E/OT/Microchip/datasheet/ - Part Type: Integrated Circuit **Pins:** - OUT [pin 4] - VDD [pin 5] - VIN- [pin 3] - VIN+ [pin 1] - VSS [pin 2] ### U5 — [MCP6566UT-E-OT](https://www.flux.ai/adrian95/mcp6566ut-e-ot~lfb.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.snapeda.com/parts/MCP6566UT-E/OT/Microchip/datasheet/ - Manufacturer Part Number: MCP6566UT-E/OT - License: https://creativecommons.org/licenses/by/4.0/ - Role: Threshold comparator - Role Details: Used across CP/PP and safety pages for MCU-compatible open-drain threshold reporting. - Manufacturer Name: Microchip Technology Inc. - Package: SOT-23-5 **Pins:** - OUT [pin 4] - VDD [pin 5] - VIN- [pin 3] - VIN+ [pin 1] - VSS [pin 2] ### U6 — [LM2903DR2G](https://www.flux.ai/adrian95/lm2903dr2g~3fw.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.onsemi.com/pdf/datasheet/lm393-d.pdf - Manufacturer Name: onsemi - Manufacturer Part Number: LM2903DR2G - Role Details: Aggregates analog safety thresholds including weld detect and protection-window logic. - Role: Safety comparator - Package: SOIC-8 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 4] - INPUTS_A_1 [pin 2] - INPUTS_A_2 [pin 3] - INPUTS_B_1 [pin 5] - INPUTS_B_2 [pin 6] - OUTPUT_A [pin 1] - OUTPUT_B [pin 7] - VCC [pin 8] ### U7 — [ACS37002KMABTR-050B5](https://www.flux.ai/lcsc/acs37002kmabtr-050b5~9hd1.md) - Role Details: Used as the RT-side leakage sensing signal source placeholder for GFCI/fault development. - Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL - Manufacturer Name: ALLEGRO(美国埃戈罗) - JLCPCB Part Class: Extended Part - Package: SOIC-16 - Role: Leakage/current sensor - Manufacturer Part Number: ACS37002KMABTR-050B5 - Part Type: Current Sensors - LCSC Part Number: C1512017 **Pins:** - ~{OCF} [pin 9] - GAIN_SEL_0 [pin 16] - GAIN_SEL_1 [pin 14] - GND [pin 15] - IP- [pin 7] - IP- [pin 6] - IP- [pin 8] - IP- [pin 5] - IP+ [pin 1] - IP+ [pin 2] - IP+ [pin 4] - IP+ [pin 3] - VCC [pin 10] - VIOUT [pin 12] - VOC [pin 11] - VREF [pin 13] ### U8 — [STM32H743VIT6](https://www.flux.ai/lcsc/stm32h743vit6~z1ju.md) - Frequency: 480MHz - Manufacturer Part Number: STM32H743VIT6 - Operating Temperature: -40°C ~ 85°C (TA) - Voltage Supply: 1.71 ~ 3.6V - Part Type: ST Microelectronics - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-STM32H743VIT6_C114409.pdf - Package or Case Code: LQFP-100_L14.0-W14.0-P0.50-LS16.0-BL - Product Info Url: https://lcsc.com/product-detail/ST-Microelectronics_STMicroelectronics-STM32H743VIT6_C114409.html - JLCPCB Part Class: Extended Part - LCSC Part Number: C114409 - Manufacturer Name: ST(意法半导体) **Pins:** - BOOT0 [pin 94] - NRST [pin 14] - PA0 [pin 22] - PA1 [pin 23] - PA10 [pin 69] - PA11 [pin 70] - PA12 [pin 71] - PA13 [pin 72] - PA14 [pin 76] - PA15 [pin 77] - PA2 [pin 24] - PA3 [pin 25] - PA4 [pin 28] - PA5 [pin 29] - PA6 [pin 30] - PA7 [pin 31] - PA8 [pin 67] - PA9 [pin 68] - PB0 [pin 34] - PB1 [pin 35] - PB10 [pin 46] - PB11 [pin 47] - PB12 [pin 51] - PB13 [pin 52] - PB14 [pin 53] - PB15 [pin 54] - PB2 [pin 36] - PB3 [pin 89] - PB4 [pin 90] - PB5 [pin 91] - PB6 [pin 92] - PB7 [pin 93] - PB8 [pin 95] - PB9 [pin 96] - PC0 [pin 15] - PC1 [pin 16] - PC10 [pin 78] - PC11 [pin 79] - PC12 [pin 80] - PC13 [pin 7] - PC14-OSC32_IN [pin 8] - PC15-OSC32_OUT [pin 9] - PC2_C [pin 17] - PC3_C [pin 18] - PC4 [pin 32] - PC5 [pin 33] - PC6 [pin 63] - PC7 [pin 64] - PC8 [pin 65] - PC9 [pin 66] - PD0 [pin 81] - PD1 [pin 82] - PD10 [pin 57] - PD11 [pin 58] - PD12 [pin 59] - PD13 [pin 60] - PD14 [pin 61] - PD15 [pin 62] - PD2 [pin 83] - PD3 [pin 84] - PD4 [pin 85] - PD5 [pin 86] - PD6 [pin 87] - PD7 [pin 88] - PD8 [pin 55] - PD9 [pin 56] - PE0 [pin 97] - PE1 [pin 98] - PE10 [pin 40] - PE11 [pin 41] - PE12 [pin 42] - PE13 [pin 43] - PE14 [pin 44] - PE15 [pin 45] - PE2 [pin 1] - PE3 [pin 2] - PE4 [pin 3] - PE5 [pin 4] - PE6 [pin 5] - PE7 [pin 37] - PE8 [pin 38] - PE9 [pin 39] - PH0-OSC_IN [pin 12] - PH1-OSC_OUT [pin 13] - VBAT [pin 6] - VCAP [pin 48] - VCAP [pin 73] - VDD [pin 50] - VDD [pin 27] - VDD [pin 100] - VDD [pin 11] - VDD [pin 75] - VDDA [pin 21] - VREF+ [pin 20] - VSS [pin 10] - VSS [pin 49] - VSS [pin 74] - VSS [pin 26] - VSS [pin 99] - VSSA [pin 19] ### X1 — [NX3225GD-8MHZ-STD-CRA-3](https://www.flux.ai/lcsc/nx3225gd-8mhz-std-cra-3~3n50.md) - Frequency Stability: 150ppm - Package: SMD_3225-4P - Operating Temperature: -40~+150℃ - Manufacturer Name: NDK - JLCPCB Part Class: Extended Part - Load Capacitor: 8pF - Package or Case Code: OSC-SMD_2P-L3.2-W2.5 - Manufacturer Part Number: NX3225GD-8MHZ-STD-CRA-3 - Frequency: 8MHz - Role Details: 8 MHz external high-speed oscillator for STM32H743 bring-up - Role: HSE crystal - LCSC Part Number: C889706 - Part Type: Crystals **Pins:** - 1 [pin 1] - GND [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/hwangmoonjin/ev-charging-board-rev-a-interface~52](https://www.flux.ai/hwangmoonjin/ev-charging-board-rev-a-interface~52).* --- *Generated from [https://www.flux.ai/hwangmoonjin/ev-charging-board-rev-a-interface~52](https://www.flux.ai/hwangmoonjin/ev-charging-board-rev-a-interface~52)*