# ESP32-C3 Reference Design ## 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:** tu2one - **Created:** 9/3/2025 - **Last Updated:** 9/3/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### IC1 — [ESP32-C3FH4](https://www.flux.ai/vasyl/esp32-c3fh4.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 - GND - GPIO10 - GPIO18 - GPIO19 - GPIO2 - GPIO3 - GPIO8 - GPIO9 - LNA_IN - MTCK - MTDI - MTDO - MTMS - SPICLK - SPICS0 - SPID - SPIHD - SPIQ - SPIWP - U0RXD - U0TXD - VDD_SPI - VDD3P3 - VDD3P3__1 - VDD3P3_CPU - VDD3P3_RTC - VDDA - VDDA__1 - XTAL_32K_N - XTAL_32K_P - XTAL_N - XTAL_P ### IC2 — [TPS62160DSGR](https://www.flux.ai/vasyl/tps62160dsgr.md) - Manufacturer Part Number: TPS62160DSGR - Manufacturer Name: Texas Instruments - 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.md) - Manufacturer Part Number: U.FL-R-SMT-1(10) - Part Type: Connector - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Hirose%20PDFs/EDC3-302540-10.tif.pdf - License: https://creativecommons.org/licenses/by/4.0/ - 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.md) - Manufacturer Part Number: TYPE-C-31-M-12 - Part Type: Connector - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ - Manufacturer Name: ROHS **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.md) - Datasheet URL: https://abracon.com/Resonators/abm3b.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Abracon LLC - Part Type: Oscillator - Manufacturer Part Number: ABM3B-40.000MHZ-B2-T **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/tu2one/esp32-c3-reference-design](https://www.flux.ai/tu2one/esp32-c3-reference-design).* --- *Generated from [https://www.flux.ai/tu2one/esp32-c3-reference-design](https://www.flux.ai/tu2one/esp32-c3-reference-design)*