# ESP8684-MINI-1 Reference Design wn5b ## Description This is an ESP8684-MINI-1 reference project for easy design. The minimum necessary for development is stored on the board. There is USB C with CH340 for firmware, EN, and BOOT button, as well as IO connectors #IoT #WiFi #MCU #RF #ESP32 #project #referenceDesign #simple-embedded #espressif #template ## Project Details - **Owner:** remburgi - **Created:** 1/28/2024 - **Last Updated:** 1/28/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### D1 — [Schottky Diode](https://www.flux.ai/corynrobinson/schottky-diode.md) - Current: 0.5A - Breakdown Voltage: 20V - Purchase Url: https://octopart.com/mbr0520lt1g-onsemi-2933?r=sp - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0520lt1-d.pdf - Package or Case Code: D_SOD-123 - Manufacturer Part Number: MBR0520LT1G - Manufacturer Name: onsemi - Part Type: Diode **Pins:** - A - K ### IC1 — [TPS62160DSGR](https://www.flux.ai/vasyl/tps62160dsgr.md) - 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 - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS62160DSGR **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] ### IC2 — [CH340C](https://www.flux.ai/vasyl/ch340c.md) - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Jiangsu-Qin-Heng-CH340C_C84681.pdf - Part Type: Integrated Circuit - Manufacturer Name: Wah - Manufacturer Part Number: CH340C **Pins:** - ~CTS [pin 9] - ~DCD [pin 12] - ~DSR [pin 10] - ~DTR [pin 13] - ~RI [pin 11] - ~RTS [pin 14] - GND [pin 1] - NC [pin 7] - NC [pin 8] - R232 [pin 15] - RXD [pin 3] - TXD [pin 2] - UD- [pin 6] - UD+ [pin 5] - V3 [pin 4] - VCC [pin 16] ### J1 — [TYPE-C-31-M-12](https://www.flux.ai/vasyl/type-c-31-m-12.md) - Part Type: Connector - Manufacturer Part Number: TYPE-C-31-M-12 - Manufacturer Name: ROHS - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ **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] ### J2 — [Pin Header 01x09 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x09-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - 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 01x09 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x09-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - 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] ### Q1 — BSS138 - Part Type: Transistor - Manufacturer Part Number: BSS138 - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/bss138-d.pdf **Pins:** - D - G - S ### Q2 — BSS138 - Manufacturer Part Number: BSS138 - Part Type: Transistor - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/bss138-d.pdf **Pins:** - D - G - S ### SW1 — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### SW2 — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Part Type: Switch - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Manufacturer Name: C&K - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### U1 — [ESP8684-MINI-1](https://www.flux.ai/vasyl/esp8684-mini-1.md) - Part Type: RF and Wireless - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp8684-mini-1_mini-1u_datasheet_en.pdf - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP8684-MINI-1 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND_1 [pin 1] - GND_10 [pin 41] - GND_11 [pin 42] - GND_12 [pin 43] - GND_13 [pin 44] - GND_14 [pin 45] - GND_15 [pin 46] - GND_16 [pin 47] - GND_17 [pin 48] - GND_18 [pin 49] - GND_19 [pin 50] - GND_2 [pin 2] - GND_20 [pin 51] - GND_21 [pin 52] - GND_22 [pin 53] - GND_23 [pin 54] - GND_24 [pin 55] - GND_25 [pin 56] - GND_26 [pin 57] - GND_27 [pin 58] - GND_28 [pin 59] - GND_29 [pin 60] - GND_3 [pin 11] - GND_30 [pin 61] - GND_4 [pin 14] - GND_5 [pin 36] - GND_6 [pin 37] - GND_7 [pin 38] - GND_8 [pin 39] - GND_9 [pin 40] - IO0 [pin 12] - IO1 [pin 13] - IO10 [pin 16] - IO18 [pin 26] - IO2 [pin 5] - IO3 [pin 6] - IO4 [pin 18] - IO5 [pin 19] - IO6 [pin 20] - IO7 [pin 21] - IO8 [pin 22] - IO9 [pin 23] - NC_1 [pin 4] - NC_10 [pin 28] - NC_11 [pin 29] - NC_12 [pin 32] - NC_13 [pin 33] - NC_14 [pin 34] - NC_15 [pin 35] - NC_2 [pin 7] - NC_3 [pin 9] - NC_4 [pin 10] - NC_5 [pin 15] - NC_6 [pin 17] - NC_7 [pin 24] - NC_8 [pin 25] - NC_9 [pin 27] - RXD0 [pin 30] - TXD0 [pin 31] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/remburgi/esp8684-mini-1-reference-design-wn5b](https://www.flux.ai/remburgi/esp8684-mini-1-reference-design-wn5b).* --- *Generated from [https://www.flux.ai/remburgi/esp8684-mini-1-reference-design-wn5b](https://www.flux.ai/remburgi/esp8684-mini-1-reference-design-wn5b)*