# Raspberry Pi Säker Strömbrytare ## Description Säker 12 V till fast 5,1 V USB-C-strömbrytare för Raspberry Pi 5 med ESP32-C3-styrd start, normal nedstängning och hård avstängning utan USB-C PD. ## Project Details - **Owner:** kallewangstedt - **Created:** 7/2/2026 - **Last Updated:** 7/2/2026 - **Visibility:** Public - **Operating Voltage:** 12V - **Human Interface:** Momentary Button - **Connectivity:** USB-C PD - **Domain:** Power Electronics ## Key Components ### D1 — [SMBJ15A-13-F](https://www.flux.ai/lcsc/smbj15a-13-f~8gof.md) - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Manufacturer Part Number: SMBJ15A-13-F - Product Info Url: https://lcsc.com/product-detail/TVS_DIODES_SMBJ15A-13-F_SMBJ15A-13-F_C135046.html - JLCPCB Part Class: Extended Part - LCSC Part Number: C135046 - Manufacturer Name: DIODES(美台) - Role: Input TVS - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-SMBJ15A-13-F_C135046.pdf - Part Type: TVS **Pins:** - A [pin 2] - K [pin 1] ### J1 — [WJ2EDGRC-5.08-02P-14-00A](https://www.flux.ai/adrian95/wj2edgrc-5p08-02p-14-00a~gk9.md) - LCSC Part Number: C3697 - Role: 12V input connector - Datasheet URL: https://www.lcsc.com/datasheet/C3697.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1lXUFFXQ1FaUzsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Manufacturer Part Number: WJ2EDGRC-5.08-02P-14-00A - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: KANGNEX - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J2 — [TYPEC-304J-BCP16](https://www.flux.ai/lcsc/typec-304j-bcp16~8fhw.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/9e50c8369321b81af99e56be0a4e697df35abcdbc2699a91a15be2fa8c238156.pdf - LCSC Part Number: C2835315 - Role: USB-C output connector - JLCPCB Part Class: Extended Part - Part Type: USB Connectors - Manufacturer Name: XUNPU(讯普) - Package or Case Code: USB-C-SMD_TYPEC-304J-BCP16 - Manufacturer Part Number: TYPEC-304J-BCP16 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND [pin 15] - GND [pin 16] - GND [pin B1A12] - GND [pin 14] - GND [pin 13] - SBU1 [pin A8] - SBU2 [pin B8] - VBUS [pin A4B9] - VBUS [pin B4A9] ### J3 — [S4B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s4b-xh-alfsn~zlf.md) - Manufacturer Part Number: S4B-XH-A(LF)(SN) - Role: Button and LED connector - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: JST - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### J4 — [S3B-XH-A-1(LF)(SN)](https://www.flux.ai/jecstronic/s3b-xh-a-1lfsn~7sp.md) - Manufacturer Name: JST - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Role: Pi GPIO connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S3B-XH-A-1(LF)(SN) **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### Q1 — [2N7002 H6327](https://www.flux.ai/lcsc/2n7002-h6327~zmrd.md) - Role: Shutdown open-drain FET - Manufacturer Name: Infineon(英飞凌) - LCSC Part Number: C533095 - Manufacturer Part Number: 2N7002 H6327 - Package or Case Code: PG-SOT23-3_L2.9-W1.3-P1.90-LS2.4-BR - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [2N7002 H6327](https://www.flux.ai/lcsc/2n7002-h6327~zmrd.md) - Manufacturer Part Number: 2N7002 H6327 - Package or Case Code: PG-SOT23-3_L2.9-W1.3-P1.90-LS2.4-BR - JLCPCB Part Class: Extended Part - Manufacturer Name: Infineon(英飞凌) - LCSC Part Number: C533095 - Role: Status LED driver **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U1 — [ESP32-C3-WROOM-02-N4](https://www.flux.ai/lcsc/esp32-c3-wroom-02-n4~877i.md) - Package or Case Code: BULETM-SMD_ESPRESSIF_ESP32-C3-WROOM-02-N4-4MB - Manufacturer Name: ESPRESSIF(乐鑫) - LCSC Part Number: C2934560 - Symbol Style: parametric-v1 - Frequency: 2.4GHz - Role: ESP32-C3 controller - Datasheet URL: https://documentation.espressif.com/esp32-c3-wroom-02_datasheet_en.pdf - Part Type: RF Transceiver ICs - Manufacturer Part Number: ESP32-C3-WROOM-02-N4 - JLCPCB Part Class: Extended Part - Voltage Supply: 3V ~ 3.6V - Operating Temperature: -40°C ~ 85°C (TA) **Pins:** - 3V3 [pin 1] - EN [pin 2] - EP [pin 19] - EP [pin 20] - EP1 [pin 21] - EP3 [pin 22] - EP4 [pin 23] - EP5 [pin 24] - EP6 [pin 25] - EP7 [pin 26] - EP8 [pin 27] - GND [pin 9] - IO0 [pin 18] - IO1 [pin 17] - IO10 [pin 10] - IO18 [pin 13] - IO19 [pin 14] - IO2 [pin 16] - IO3 [pin 15] - IO4 [pin 3] - IO5 [pin 4] - IO6 [pin 5] - IO7 [pin 6] - IO8 [pin 7] - IO9 [pin 8] - RXD [pin 11] - TXD [pin 12] ### U2 — [AP63203WU-7](https://www.flux.ai/lcsc/ap63203wu-7~j9cl.md) - Package or Case Code: TSOT-26_L2.9-W1.6-P0.95-LS2.8-BL - Manufacturer Part Number: AP63203WU-7 - Frequency: 1100kHz - Operating Voltage: 4.5V to 60V - LCSC Part Number: C780769 - Manufacturer Name: DIODES(美台) - JLCPCB Part Class: Extended Part - Symbol Style: parametric-v1 - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP63200-AP63201-AP63203-AP63205.pdf - Max Input Voltage: 3.8~32V - Output Current: 2A - Part Type: AC-DC Controllers & Regulators - Max Output Voltage: 3.3V - Role: 3V3_AON buck - IC Type: Synchronous Buck Converter - Operating Temperature: -40 ~ +85℃ **Pins:** - BST [pin 6] - EN [pin 2] - FB [pin 1] - GND [pin 4] - SW [pin 5] - VIN [pin 3] ### U3 — [TPS56C230RJER](https://www.flux.ai/lcsc/tps56c230rjer~807i.md) - Role: Main 5.1V buck - LCSC Part Number: C1849534 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: TPS56C230RJER - Package or Case Code: VQFN-20_L3.0-W3.0-P0.45-TL-EP_TI_RJE - Part Type: DC-DC Converters - Manufacturer Name: TI(德州仪器) **Pins:** - AGND [pin 13] - BST [pin 1] - EN [pin 12] - FB [pin 14] - MODE [pin 15] - NC [pin 10] - NC [pin 16] - PGND [pin 18] - PGND [pin 7] - PGND [pin 21] - PGND [pin 8] - PGOOD [pin 9] - SS [pin 11] - SW [pin 19] - SW [pin 20] - SW [pin 6] - VCC [pin 17] - VIN [pin 5] - VIN [pin 4] - VIN [pin 3] - VIN [pin 2] ### U4 — [TPS259474LRPWR](https://www.flux.ai/lcsc/tps259474lrpwr~74ql.md) - Manufacturer Part Number: TPS259474LRPWR - Role: Input eFuse - Part Type: Power Management - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/C2864845.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhdXlBVQVFWUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Symbol Style: parametric-v1 - Package or Case Code: VQFN-10_L2.0-W2.0-P0.45-TL - LCSC Part Number: C2864845 - Manufacturer Name: TI(德州仪器) **Pins:** - DVDT [pin 7] - EN/UVLO [pin 1] - GND [pin 8] - ILM [pin 9] - IN [pin 5] - ITIMER [pin 10] - OUT [pin 6] - OVLO/OVCSEL [pin 2] - PG/AUXOFF [pin 3] - PGTH/~{FLT} [pin 4] ### U5 — [TPS259474LRPWR](https://www.flux.ai/lcsc/tps259474lrpwr~74ql.md) - Package or Case Code: VQFN-10_L2.0-W2.0-P0.45-TL - LCSC Part Number: C2864845 - Manufacturer Name: TI(德州仪器) - Manufacturer Part Number: TPS259474LRPWR - Part Type: Power Management - JLCPCB Part Class: Extended Part - Role: Output eFuse switch - Datasheet URL: https://www.lcsc.com/datasheet/C2864845.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhdXlBVQVFWUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Symbol Style: parametric-v1 **Pins:** - DVDT [pin 7] - EN/UVLO [pin 1] - GND [pin 8] - ILM [pin 9] - IN [pin 5] - ITIMER [pin 10] - OUT [pin 6] - OVLO/OVCSEL [pin 2] - PG/AUXOFF [pin 3] - PGTH/~{FLT} [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/kallewangstedt/raspberry-pi-saker-strombrytare~db](https://www.flux.ai/kallewangstedt/raspberry-pi-saker-strombrytare~db).* --- *Generated from [https://www.flux.ai/kallewangstedt/raspberry-pi-saker-strombrytare~db](https://www.flux.ai/kallewangstedt/raspberry-pi-saker-strombrytare~db)*