# 12V0_to_5V_And_3V3_ 105b ## Description ESP32-C3 Espresso Smart Scale ## Project Details - **Owner:** ryanf - **Created:** 5/1/2025 - **Last Updated:** 5/1/2025 - **Visibility:** Public - **Copies:** 3 ## Key Components ### J1 — [Pin Header 01x06 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x06-254mm-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] ### J2 — [PJ-102B](https://www.flux.ai/jecstronic/pj-102b.md) - Part Type: Connector - Manufacturer Name: CUI Devices - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: PJ-102B - Datasheet URL: https://www.cuidevices.com/product/resource/pj-102b.pdf **Pins:** - ~ [pin 3] - ~ [pin 1] - ~ [pin 2] ### U2 — [NCP176BMX330TCG](https://www.flux.ai/ryanf/ncp176bmx330tcg.md) - Manufacturer Part Number: NCP176BMX330TCG - Datasheet URL: https://www.mouser.com/datasheet/2/308/1/NCP176_D-2316728.pdf - Manufacturer Name: onsemi - Package or Case Code: XDFN6 - Part Type: Linear Voltage Regulator **Pins:** - EN [pin 4] - FB [pin 2] - GND [pin 3] - IN [pin 6] - N/C [pin 5] - OUT [pin 1] ### U3 — [TPS62130ARGTR](https://www.flux.ai/ryanf/tps62130argtr.md) - Manufacturer Part Number: TPS62130ARGTR - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps62130a.pdf?ts=1716649051225&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS62130A - Package or Case Code: QFN50P300X300X50-17N - Part Type: Switching Regulator - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - AGND [pin 6] - AGND [pin 17] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 16] - PGND [pin 15] - PVIN [pin 12] - PVIN [pin 11] - SS/TR [pin 9] - SW [pin 2] - SW [pin 3] - SW [pin 1] - VOS [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ryanf/12v0to5vand3v3-105b](https://www.flux.ai/ryanf/12v0to5vand3v3-105b).* --- *Generated from [https://www.flux.ai/ryanf/12v0to5vand3v3-105b](https://www.flux.ai/ryanf/12v0to5vand3v3-105b)*