# Placa ESP32-S3 USB-C ## Description Placa básica ESP32-S3 alimentada y programable por USB-C, con regulador de 3.3 V, circuito de arranque/reset y desacoplos mínimos para desarrollo. ## Project Details - **Owner:** eduaasdd - **Created:** 6/12/2026 - **Last Updated:** 6/13/2026 - **Visibility:** Public - **Copies:** 2 ## Key Components ### D1 — [PESD3V3S1BA-N](https://www.flux.ai/lcsc/pesd3v3s1ba-n~g6m9.md) - Diode Type: TVS Diode - JLCPCB Part Class: Extended Part - Reverse Voltage: 3.3V - Manufacturer Name: BORN(伯恩半导体) - Datasheet URL: https://www.lcsc.com/datasheet/C3036285.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZUFNVQFleUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C3036285 - Part Type: TVS - Forward Voltage: 0.9V - Role: Protection - Manufacturer Part Number: PESD3V3S1BA-N - Package or Case Code: SOD-523_L1.2-W0.8-LS1.6-BI - Role Details: 3.3V TVS clamp for UART AUX header supply rail **Pins:** - A [pin 2] - C [pin 1] ### D2 — [USBLC6-4SC6](https://www.flux.ai/kicad-part-library/usblc6-4sc6~cr3.md) - Datasheet URL: https://www.st.com/resource/en/datasheet/usblc6-4.pdf - Package or Case Code: SOT-23-6 - Part Type: Protection - Manufacturer Name: STMicroelectronics - Role: Protection - Manufacturer Part Number: USBLC6-4SC6 - Role Details: Protección ESD USB para D+/D− y VBUS ubicada cerca de USB1; GND a plano de tierra **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O2 [pin 3] - I/O3 [pin 4] - I/O4 [pin 6] - VBUS [pin 5] ### F1 — [SMD050F-2](https://www.flux.ai/adrian95/smd050f-2.md) - Manufacturer Name: Littelfuse - Manufacturer Part Number: SMD050F-2 - Role: Protection - Role Details: Fusible resettable en VBUS antes del cargador/power-path - Part Type: Circuit Protection Devices - Mount: Surface Mount - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-ptc-smd-datasheet?assetguid=e664881a-0c68-4836-928b-7ed2f0c2a6da - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ [pin 2] - ~ [pin 1] ### J1 — [Pin Header 01x16 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x16-2p54mm-vertical~1qc.md) - Manufacturer Name: Würth - Connector Rows: 1 - Connector Positions: 16 - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: GPIO header A: 3V3, GND and ESP32-S3 free GPIO pins for prototyping - Connector Pitch: 2.54mm - Manufacturer Part Number: 61301611121 - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - 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] - Pin_9 [pin 9] ### J2 — [Pin Header 01x16 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x16-2p54mm-vertical~1qc.md) - Role: Connector - Manufacturer Name: Würth - Connector Rows: 1 - Manufacturer Part Number: 61301611121 - Part Type: Connector - Connector Positions: 16 - Role Details: GPIO header B: GND and ESP32-S3 free GPIO pins for prototyping - License: https://creativecommons.org/licenses/by/4.0/ - Connector Pitch: 2.54mm **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - 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] - Pin_9 [pin 9] ### J3 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Role: Connector - Manufacturer Name: Würth - Connector Positions: 4 - Connector Pitch: 2.54mm - Connector Rows: 1 - Manufacturer Part Number: 61300411121 - Role Details: Aux GPIO header: 3V3, GND, IO1 and IO2 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J6 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Connector Positions: 4 - Manufacturer Name: Würth - Role: External Connector - Role Details: UART AUX 3.3V header: 3V3, GND, TX, RX - Manufacturer Part Number: 61300411121 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Connector Pitch: 2.54mm **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J7 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Manufacturer Name: JST Sales America Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Role: Battery Connector - Role Details: Conector JST-PH para batería LiPo 1S: BAT+ y GND hacia BQ24075 - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED1 — [Generic LED SMD](https://www.flux.ai/jharwinbarrozo/generic-led-smd~ku.md) - Manufacturer Name: yongyu(永裕光电) - Forward Voltage: 3.0V - Role: Current Limiting - LCSC Part Number: C434421 - Color: Blue - Max Current: 30mA - Manufacturer Part Number: SZYY0603B - Role Details: LED azul de encendido con reemplazo seleccionado por mejor disponibilidad que el MPN anterior discontinuado/sin stock. - Package: LED_0603_1608Metric - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [MHPC3528CRGBCT](https://www.flux.ai/jharwinbarrozo/mhpc3528crgbct~r7t.md) - Role: Human Interface - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MHPC3528CRGBCT - Role Details: RGB status LED: firmware upload/coding, internet connection and user-defined states - Manufacturer Name: MEIHUA - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2202141600_MEIHUA-MHPC3528CRGBCT_C2962096.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] ### OLED — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Connector Positions: 4 - Manufacturer Name: Würth - Role Details: Pinout: 1=GND, 2=VDD/3V3, 3=SCK/SCL on GPIO2, 4=SDA on GPIO1 - Connector Rows: 1 - Role: OLED I2C header - Manufacturer Part Number: 61300411121 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Connector Pitch: 2.54mm **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### SW1 — [Tactile Switch SPST-NO PTS526 SK15 SMTR2 LFS](https://www.flux.ai/collinsemasi/tactile-switch-spst-no-pts526-sk15-smtr2-lfs~83.md) - Role Details: Momentary reset button pulls CHIP_PU low - Manufacturer Part Number: PTS526 SK15 SMTR2 LFS - Role: Switching - Part Type: Switch - Manufacturer Name: C&K - Datasheet URL: https://www.ckswitches.com/media/2780/pts526.pdf **Pins:** - 4 [pin 4] - 2 [pin 2] - 1 [pin 1] - 3 [pin 3] ### SW2 — [Tactile Switch SPST-NO PTS526 SK15 SMTR2 LFS](https://www.flux.ai/collinsemasi/tactile-switch-spst-no-pts526-sk15-smtr2-lfs~83.md) - Role: Switching - Manufacturer Part Number: PTS526 SK15 SMTR2 LFS - Datasheet URL: https://www.ckswitches.com/media/2780/pts526.pdf - Part Type: Switch - Manufacturer Name: C&K - Role Details: Momentary boot button pulls GPIO0 low for download mode **Pins:** - 4 [pin 4] - 2 [pin 2] - 1 [pin 1] - 3 [pin 3] ### U1 — [ESP32-S3-WROOM-1-N16R8](https://www.flux.ai/lcsc/esp32-s3-wroom-1-n16r8~s9kh.md) - License: https://creativecommons.org/licenses/by/4.0/ - Frequency: 2.4GHz - LCSC Part Number: C2913202 - Operating Temperature: -40°C ~ 65°C (TA) - Package or Case Code: WIRELM-SMD_ESP32-S3-WROOM-1 - Current - Transmitting: 285mA ~ 355mA - Role: Logic-level Shifting - Role Details: Main ESP32-S3 WiFi/BLE MCU module with integrated antenna, 16MB flash and 8MB PSRAM; powered from 3V3 and programmed via native USB - Current - Receiving: 95mA ~ 97mA - Manufacturer Name: ESPRESSIF(乐鑫) - Supply Voltage: 3V ~ 3.6V - JLCPCB Part Class: Extended Part - Part Type: RF Transceiver - Manufacturer Part Number: ESP32-S3-WROOM-1-N16R8 - Symbol Style: parametric-v1 - Datasheet URL: https://www.lcsc.com/datasheet/C2913202.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1VXVlNfRlBfUzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 47] - GND [pin 41] - GND [pin 45] - GND [pin 40] - GND [pin 48] - GND [pin 49] - GND [pin 44] - GND [pin 46] - GND [pin 42] - GND [pin 1] - GND [pin 43] - 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] ### U2 — [XC6210B332MR](https://www.flux.ai/lcsc/xc6210b332mr~pgvl.md) - Integrated Circuit Type: Low Dropout Regulator - Manufacturer Name: TECH PUBLIC(台舟) - Datasheet URL: https://www.lcsc.com/datasheet/C3021084.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1RZU1BXQFdZXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Symbol Style: parametric-v1 - Role Details: 5V USB-C to 3.3V rail, sized for ~500mA ESP32-S3 peak input current; thermal dissipation about 0.3W at 180mA typical, 0.85W at 500mA peak bursts - Part Type: Linear Voltage Regulators (LDO) - Operating Voltage: 2.0V to 6.0V - Role: Voltage Regulator - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR - LCSC Part Number: C3021084 - Power Consumption: Very low - Manufacturer Part Number: XC6210B332MR - License: https://creativecommons.org/licenses/by/4.0/ - JLCPCB Part Class: Extended Part **Pins:** - CE [pin 3] - GND [pin 2] - NC [pin 4] - OUT [pin 5] - VIN [pin 1] ### U3 — [BQ24075TRGTR](https://www.flux.ai/adrian95/bq24075trgtr~7p4.md) - Role Details: BQ24075: carga LiPo 1S desde USB-C y entrega SYS al regulador 3.3 V evitando retroalimentación entre USB y batería - Part Type: Integrated Circuit - Role: Battery Charger / Power Path - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BQ24075TRGTR - Datasheet URL: http://componentsearchengine.com/Datasheets/1/BQ24075TRGTR.pdf - Package or Case Code: QFN50P300X300X100-17N-D - Manufacturer Name: Texas Instruments **Pins:** - ~CE [pin 4] - ~CHG [pin 9] - ~PGOOD [pin 7] - BAT_1 [pin 2] - BAT_2 [pin 3] - EN1 [pin 6] - EN2 [pin 5] - EP [pin 17] - ILIM [pin 12] - IN [pin 13] - ISET [pin 16] - OUT_1 [pin 10] - OUT_2 [pin 11] - SYSOFF [pin 15] - TMR [pin 14] - TS [pin 1] - VSS [pin 8] ### USB1 — [TYPE-C 16PIN 2MD(073)](https://www.flux.ai/lcsc/type-c-16pin-2md073~ish6.md) - Manufacturer Name: SHOU HAN(首韩) - Part Type: USB Connectors - Manufacturer Part Number: TYPE-C 16PIN 2MD(073) - Datasheet URL: https://www.lcsc.com/datasheet/C2765186.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VeXlZWRlVeUzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2765186 - Symbol Style: parametric-v1 - Package or Case Code: USB-C-SMD_TYPE-C-6PIN-2MD-073 - License: https://creativecommons.org/licenses/by/4.0/ - JLCPCB Part Class: Extended Part **Pins:** - CC1 [pin 4] - CC2 [pin 10] - DN1 [pin 7] - DN2 [pin 5] - DP1 [pin 6] - DP2 [pin 8] - GND [pin 12] - GND [pin 1] - SBU1 [pin 9] - SBU2 [pin 3] - SHELL [pin 16] - SHELL [pin 15] - SHELL [pin 13] - SHELL [pin 14] - VBUS [pin 2] - VBUS [pin 11] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/eduaasdd/placa-esp32-s3-usb-c~y0](https://www.flux.ai/eduaasdd/placa-esp32-s3-usb-c~y0).* --- *Generated from [https://www.flux.ai/eduaasdd/placa-esp32-s3-usb-c~y0](https://www.flux.ai/eduaasdd/placa-esp32-s3-usb-c~y0)*