# Seeed Studio XIAO ESP32C3 SMD Version (Component) ## Description 2-Layer Pump Controller PCB with MOSFET Driver, Integrated Buck Converter, and ESP32-C3 Footprint (Reference Only; No Connectors) ## Component Details - **Owner:** seeedstudio - **Created:** 3/18/2025 - **Last Updated:** 3/18/2025 - **Visibility:** Public - **board_outline_width:** 50mm - **Manufacturer Part Number:** 113991054 - **Part Type:** Microcontroller - **Board Layers:** 2 - **Manufacturer Name:** Seeed Studio - **Purchase Url:** https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html - **Datasheet URL:** https://files.seeedstudio.com/wiki/XIAO_WiFi/Resources/esp32-c3_datasheet.pdf - **Net Classes:** {Pump: 1.0 mm, Signal: 0.25 mm} - **System Architecture:** graph LR subgraph Control ESP32[XIAO ESP32-C3] --> R100[100 Ω gate resistor] --> Q1[IRLR7843 MOSFET] --> Pump[Pump] end subgraph Power BatteryJST[Batt JST IN +] --> Pump USBCPower[USB-C VBUS] --> ESP32 end - **Part Type:** Module - **Ground Pour:** Both layers - **board_outline_height:** 30mm - **Used in:** 132 projects - **Stars:** 2 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/seeed-technology-co-ltd/113991054/16652880) | $4.99 | 2.3K | | [LCSC](https://www.lcsc.com/product-detail/C18212168.html) | $13.8077 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Seeed-Studio/113991054?qs=3Rah4i%252BhyCHVBerMrpzCkw%3D%3D) | $4.99 | 1.3K | | [Verical](https://www.verical.com/pd/seeed-development-limited--system-on-module--som--113991054-12174810?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Seeed - **MPN:** 113991054 - **Mount Type:** Surface Mount - **Package / Case Code:** SMD - **Pin Count:** 24 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | GPIO2/A0/D0 | | | 2 | GPIO3/A1/D1 | | | 3 | GPIO4/A2/D2 | | | 4 | GPIO5/A3/D3 | | | 5 | GPIO6/D4/SDA | | | 6 | GPIO7/D5/SCL | | | 7 | GPIO21/D6/TX | | | 8 | GPIO20/D7/RX | | | 9 | GPIO8/D8/SCK | | | 10 | GPIO9/D9/MISO | | | 11 | GPIO10/D10/MOSI | | | 15 | BAT+ | | | - | PUMP- | | | 12 | VCC_3V3 | | | 13 | GND | | | 14 | VBUS | | | 16 | BAT- | | | 17 | MTDI | | | 18 | MTDO | | | 19 | EN | | | 20 | GND | | | 21 | MTMS | | | 22 | MTCK | | | - | PUMP+ | | --- *Generated from [https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32c3-smd-version~m1](https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32c3-smd-version~m1)*