# ESP32-C3 Reference Design bbxW ## Description This is an ESP32-C3 reference design based on the manufacturer's recommendations with a uFL SMD antenna and USB C on board #WiFi #ESP32-C3 #IoT #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** jaxnprivate - **Created:** 9/27/2025 - **Last Updated:** 9/27/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### IC1 — [ESP32-C3FH4](https://www.flux.ai/vasyl/esp32-c3fh4~a4m.md) - Part Type: Integrated Circuit - Manufacturer Name: Espressif Systems - Datasheet URL: https://datasheet.lcsc.com/lcsc/2108071730_Espressif-Systems-ESP32-C3_C2838500.pdf - Manufacturer Part Number: ESP32-C3 **Pins:** - CHIP_EN [pin 7] - GND [pin 33] - GPIO10 [pin 16] - GPIO18 [pin 25] - GPIO19 [pin 26] - GPIO2 [pin 6] - GPIO3 [pin 8] - GPIO8 [pin 14] - GPIO9 [pin 15] - LNA_IN [pin 1] - MTCK [pin 12] - MTDI [pin 10] - MTDO [pin 13] - MTMS [pin 9] - SPICLK [pin 22] - SPICS0 [pin 21] - SPID [pin 23] - SPIHD [pin 19] - SPIQ [pin 24] - SPIWP [pin 20] - U0RXD [pin 27] - U0TXD [pin 28] - VDD_SPI [pin 18] - VDD3P3 [pin 2] - VDD3P3__1 [pin 3] - VDD3P3_CPU [pin 17] - VDD3P3_RTC [pin 11] - VDDA [pin 31] - VDDA__1 [pin 32] - XTAL_32K_N [pin 5] - XTAL_32K_P [pin 4] - XTAL_N [pin 29] - XTAL_P [pin 30] ### IC2 — [TPS62160DSGR](https://www.flux.ai/vasyl/tps62160dsgr~zy.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS62160DSGR - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftps62160 **Pins:** - AGND [pin 4] - EN [pin 3] - FB [pin 5] - PAD [pin 9] - PG [pin 8] - PGND [pin 1] - SW [pin 7] - VIN [pin 2] - VOS [pin 6] ### J1 — [U.FL-R-SMT-1(10)](https://www.flux.ai/jecstronic/upfl-r-smt-110~du.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Hirose%20PDFs/EDC3-302540-10.tif.pdf - Manufacturer Part Number: U.FL-R-SMT-1(10) - Manufacturer Name: Hirose Electric Co Ltd **Pins:** - Center_Contact [pin 2] - Outer_Contact [pin 1] - Outer_Contact [pin 3] ### J2 — [TYPE-C-31-M-12](https://www.flux.ai/vasyl/type-c-31-m-12~tm.md) - Manufacturer Name: ROHS - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ - Part Type: Connector - Manufacturer Part Number: TYPE-C-31-M-12 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND__1 [pin B1A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S1] - SHIELD__1 [pin S2] - SHIELD__2 [pin S3] - SHIELD__3 [pin S4] - VBUS [pin A4B9] - VBUS__1 [pin B4A9] ### Y1 — [ABM3B-40.000MHZ-B2-T](https://www.flux.ai/adrian95/abm3b-40000mhz-b2-t~7li.md) - Manufacturer Name: Abracon LLC - Part Type: Oscillator - Manufacturer Part Number: ABM3B-40.000MHZ-B2-T - Datasheet URL: https://abracon.com/Resonators/abm3b.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 3 [pin 3] - GND [pin 4] - GND [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jaxnprivate/esp32-c3-reference-design-bbxw~10](https://www.flux.ai/jaxnprivate/esp32-c3-reference-design-bbxw~10).* --- *Generated from [https://www.flux.ai/jaxnprivate/esp32-c3-reference-design-bbxw~10](https://www.flux.ai/jaxnprivate/esp32-c3-reference-design-bbxw~10)*