# USB-UART-BATTERY ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** welstheory - **Created:** 2/11/2024 - **Last Updated:** 3/24/2024 - **Visibility:** Public - **Copies:** 2 ## Key Components ### B1 — [BK-18650-PC2](https://www.flux.ai/vasyl/bk-18650-pc2.md) - Manufacturer Name: MPD (Memory Protection Devices) - Datasheet URL: https://www.memoryprotectiondevices.com/datasheets/BK-18650-PC2-datasheet.pdf - Manufacturer Part Number: BK-18650-PC2 - Voltage: 4.2V **Pins:** - NEGATIVE [pin -] - POSITIVE [pin +] ### D1 — [B5819W-TP](https://www.flux.ai/adrian95/b5819w-tp.md) - Part Type: Diode - Manufacturer Part Number: B5819W-TP - Datasheet URL: https://www.mccsemi.com/pdf/Products/B5817W-B5819W(SOD-123).pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Micro Commercial Co **Pins:** - A [pin 2] - K [pin 1] ### D2 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED **Pins:** - A - K ### D3 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01.md) - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A - K ### D4 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01.md) - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A - K ### D5 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01.md) - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A - K ### D6 — [MBR1020VL](https://www.flux.ai/jecstronic/mbr1020vl.md) - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Datasheet URL: https://www.onsemi.cn/pdf/datasheet/mbr1020vl-d.pdf - Manufacturer Part Number: MBR1020VL **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [CH340E](https://www.flux.ai/vasyl/ch340e.md) - Datasheet URL: https://www.mpja.com/download/35227cpdata.pdf - Manufacturer Part Number: CH340E - Part Type: Integrated Circuit - Manufacturer Name: Wah **Pins:** - CTS [pin 5] - GND [pin 3] - RTS [pin 4] - RX [pin 9] - TNOW [pin 6] - TX [pin 8] - UD- [pin 2] - UD+ [pin 1] - V3 [pin 10] - VCC [pin 7] ### J2 — [1054500101](https://www.flux.ai/adrian95/1054500101.md) - Manufacturer Name: Molex - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.molex.com/pdm_docs/ps/PS-105448-001.pdf - Manufacturer Part Number: 1054500101 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - D1- [pin A7] - D1+ [pin A6] - D2- [pin B7] - D2+ [pin B6] - GND1 [pin A1] - GND2 [pin A12] - GND3 [pin B1] - GND4 [pin B12] - RX1- [pin B10] - RX1+ [pin B11] - RX2- [pin A10] - RX2+ [pin A11] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S2] - SHIELD [pin S4] - SHIELD [pin S1] - TX1- [pin A3] - TX1+ [pin A2] - TX2- [pin B3] - TX2+ [pin B2] - VBUS1 [pin A4] - VBUS2 [pin A9] - VBUS3 [pin B4] - VBUS4 [pin B9] ### J3 — [Pin Header 01x08 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x08-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### SW1 — [TS-1088R-02026](https://www.flux.ai/jecstronic/ts-1088r-02026.md) - Manufacturer Name: XUNPU - Part Type: Switch - Manufacturer Part Number: TS-1088R-02026 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_XUNPU-TS-1088R-02026_C455280.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### U1 — [MCP73831T-2ACI/OT](https://www.flux.ai/adrian95/mcp73831t-2aciot.md) - Manufacturer Part Number: MCP73831T-2ACI/OT - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Name: Microchip Technology - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VIN [pin 4] - VSS [pin 2] ### U2 — [DMG3415U-7](https://www.flux.ai/jecstronic/dmg3415u-7.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Diodes%20PDFs/DMG3415U.pdf - Part Type: Transistor - Manufacturer Name: Diodes Incorporated - Manufacturer Part Number: DMG3415U-7 **Pins:** - D - G - S ### U3 — [AP2112K-3.3TRG1](https://www.flux.ai/vasyl/ap2112k-33trg1.md) - Manufacturer Part Number: AP2112K-3.3TRG1 - Part Type: Integrated Circuit - Manufacturer Name: Diodes Incorporated - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf **Pins:** - EN [pin 3] - GND [pin 2] - VIN [pin 1] - VOUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/welstheory/usb-uart-battery](https://www.flux.ai/welstheory/usb-uart-battery).* --- *Generated from [https://www.flux.ai/welstheory/usb-uart-battery](https://www.flux.ai/welstheory/usb-uart-battery)*