# 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://flux.ai/lcsc/smbj15a-13-f~8gof.md)

- Package or Case Code: SMB\_L4\.6\-W3\.6\-LS5\.3\-RD
- Product Info Url: https://lcsc\.com/product\-detail/TVS\_DIODES\_SMBJ15A\-13\-F\_SMBJ15A\-13\-F\_C135046\.html
- Role: Input TVS
- Manufacturer Part Number: SMBJ15A\-13\-F
- JLCPCB Part Class: Extended Part
- Part Type: TVS
- Manufacturer Name: DIODES\(美台\)
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Diodes\-Incorporated\-SMBJ15A\-13\-F\_C135046\.pdf
- LCSC Part Number: C135046

**Pins:**
- A [pin 2]
- K [pin 1]

### J1 — [WJ2EDGRC\-5\.08\-02P\-14\-00A](https://flux.ai/adrian95/wj2edgrc-5p08-02p-14-00a~gk9.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: WJ2EDGRC\-5\.08\-02P\-14\-00A
- Datasheet URL: https://www\.lcsc\.com/datasheet/C3697\.pdf?spm=wm\.sxq\.inf\.ggs&utm\_source=octopart&lcsc\_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1lXUFFXQ1FaUzsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D
- Part Type: Connector
- Role: 12V input connector
- Manufacturer Name: KANGNEX
- LCSC Part Number: C3697

**Pins:**
- P1 [pin 2]
- P2 [pin 1]

### J2 — [TYPEC\-304J\-BCP16](https://flux.ai/lcsc/typec-304j-bcp16~8fhw.md)

- Manufacturer Part Number: TYPEC\-304J\-BCP16
- Manufacturer Name: XUNPU\(讯普\)
- Package or Case Code: USB\-C\-SMD\_TYPEC\-304J\-BCP16
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/9e50c8369321b81af99e56be0a4e697df35abcdbc2699a91a15be2fa8c238156\.pdf
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C2835315
- Role: USB\-C output connector
- Part Type: USB Connectors

**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://flux.ai/jecstronic/s4b-xh-alfsn~zlf.md)

- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.jst\-mfg\.com/product/pdf/eng/eXH\.pdf
- Manufacturer Part Number: S4B\-XH\-A\(LF\)\(SN\)
- Role: Button and LED connector
- Manufacturer Name: JST

**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://flux.ai/jecstronic/s3b-xh-a-1lfsn~7sp.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Role: Pi GPIO connector
- Datasheet URL: https://www\.jst\-mfg\.com/product/pdf/eng/eXH\.pdf
- Manufacturer Name: JST
- 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://flux.ai/lcsc/2n7002-h6327~zmrd.md)

- Package or Case Code: PG\-SOT23\-3\_L2\.9\-W1\.3\-P1\.90\-LS2\.4\-BR
- LCSC Part Number: C533095
- Role: Shutdown open\-drain FET
- Manufacturer Part Number: 2N7002 H6327
- JLCPCB Part Class: Extended Part
- Manufacturer Name: Infineon\(英飞凌\)

**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]

### Q3 — [2N7002 H6327](https://flux.ai/lcsc/2n7002-h6327~zmrd.md)

- Package or Case Code: PG\-SOT23\-3\_L2\.9\-W1\.3\-P1\.90\-LS2\.4\-BR
- LCSC Part Number: C533095
- Manufacturer Part Number: 2N7002 H6327
- JLCPCB Part Class: Extended Part
- Manufacturer Name: Infineon\(英飞凌\)
- Role: Status LED driver

**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]

### U1 — [ESP32\-C3\-WROOM\-02\-N4](https://flux.ai/lcsc/esp32-c3-wroom-02-n4~877i.md)

- Datasheet URL: https://documentation\.espressif\.com/esp32\-c3\-wroom\-02\_datasheet\_en\.pdf
- Voltage Supply: 3V \~ 3\.6V
- Frequency: 2\.4GHz
- Symbol Style: parametric\-v1
- LCSC Part Number: C2934560
- Manufacturer Part Number: ESP32\-C3\-WROOM\-02\-N4
- Manufacturer Name: ESPRESSIF\(乐鑫\)
- Role: ESP32\-C3 controller
- Package or Case Code: BULETM\-SMD\_ESPRESSIF\_ESP32\-C3\-WROOM\-02\-N4\-4MB
- Part Type: RF Transceiver ICs
- JLCPCB Part Class: Extended Part
- 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://flux.ai/lcsc/ap63203wu-7~j9cl.md)

- Part Type: AC\-DC Controllers & Regulators
- JLCPCB Part Class: Extended Part
- Operating Voltage: 4\.5V to 60V
- Manufacturer Part Number: AP63203WU\-7
- Package or Case Code: TSOT\-26\_L2\.9\-W1\.6\-P0\.95\-LS2\.8\-BL
- Max Output Voltage: 3\.3V
- Role: 3V3\_AON buck
- Operating Temperature: \-40 \~ \+85℃
- Max Input Voltage: 3\.8\~32V
- Frequency: 1100kHz
- Output Current: 2A
- Datasheet URL: https://www\.diodes\.com/assets/Datasheets/AP63200\-AP63201\-AP63203\-AP63205\.pdf
- IC Type: Synchronous Buck Converter
- Symbol Style: parametric\-v1
- Manufacturer Name: DIODES\(美台\)
- LCSC Part Number: C780769

**Pins:**
- BST [pin 6]
- EN [pin 2]
- FB [pin 1]
- GND [pin 4]
- SW [pin 5]
- VIN [pin 3]

### U3 — [TPS56C230RJER](https://flux.ai/lcsc/tps56c230rjer~807i.md)

- LCSC Part Number: C1849534
- Manufacturer Name: TI\(德州仪器\)
- Package or Case Code: VQFN\-20\_L3\.0\-W3\.0\-P0\.45\-TL\-EP\_TI\_RJE
- Part Type: DC\-DC Converters
- Role: Main 5\.1V buck
- Manufacturer Part Number: TPS56C230RJER
- JLCPCB Part Class: Extended Part

**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://flux.ai/lcsc/tps259474lrpwr~74ql.md)

- Manufacturer Part Number: TPS259474LRPWR
- Package or Case Code: VQFN\-10\_L2\.0\-W2\.0\-P0\.45\-TL
- JLCPCB Part Class: Extended Part
- Part Type: Power Management
- Symbol Style: parametric\-v1
- Manufacturer Name: TI\(德州仪器\)
- Role: Input eFuse
- LCSC Part Number: C2864845
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2864845\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhdXlBVQVFWUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D

**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://flux.ai/lcsc/tps259474lrpwr~74ql.md)

- Manufacturer Part Number: TPS259474LRPWR
- Package or Case Code: VQFN\-10\_L2\.0\-W2\.0\-P0\.45\-TL
- JLCPCB Part Class: Extended Part
- Role: Output eFuse switch
- Part Type: Power Management
- Symbol Style: parametric\-v1
- Manufacturer Name: TI\(德州仪器\)
- LCSC Part Number: C2864845
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2864845\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhdXlBVQVFWUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D

**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://flux\.ai/kallewangstedt/raspberry\-pi\-saker\-strombrytare\~db](https://flux.ai/kallewangstedt/raspberry-pi-saker-strombrytare~db).*

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*Generated from [https://flux\.ai/kallewangstedt/raspberry\-pi\-saker\-strombrytare\~db](https://flux.ai/kallewangstedt/raspberry-pi-saker-strombrytare~db)*