# USB\-C I/O Interface Board

## Description

Passive USB 2\.0 and stereo audio I/O interface board with USB\-A, USB\-C sink/device connectivity, filtered audio outputs, and board interconnect headers\.

## Project Details

- **Owner:** serialtje
- **Created:** 9/14/2026
- **Last Updated:** 9/18/2026
- **Visibility:** Public

## Key Components

### D603 — [USBLC6\-2SC6](https://flux.ai/vasy_skral/usblc6-2sc6~g1b.md)

- Manufacturer Part Number: USBLC6\-2SC6
- Symbol Style: parametric\-v1
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Protection
- Manufacturer Name: STMicroelectronics
- Datasheet URL: https://www\.st\.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750\.pdf/files/CD00050750\.pdf/jcr:content/translations/en\.CD00050750\.pdf
- LCSC Part Number: C7519
- Functional Group: USB\-C Output Right
- Role Details: Low\-capacitance dual\-channel USB 2\.0 ESD protection for J603 D\+/D\-
- Role: Protection

**Pins:**
- GND [pin 2]
- I/O1 [pin 6]
- I/O1 [pin 1]
- I/O2 [pin 3]
- I/O2 [pin 4]
- VBUS [pin 5]

### D605 — [USBLC6\-2SC6](https://flux.ai/vasy_skral/usblc6-2sc6~g1b.md)

- Manufacturer Part Number: USBLC6\-2SC6
- Symbol Style: parametric\-v1
- Role Details: Low\-capacitance dual\-channel USB 2\.0 ESD protection for J605 D\+/D\-
- Functional Group: USB\-C Center
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Protection
- Manufacturer Name: STMicroelectronics
- Datasheet URL: https://www\.st\.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750\.pdf/files/CD00050750\.pdf/jcr:content/translations/en\.CD00050750\.pdf
- Role: Protection
- LCSC Part Number: C7519

**Pins:**
- GND [pin 2]
- I/O1 [pin 6]
- I/O1 [pin 1]
- I/O2 [pin 3]
- I/O2 [pin 4]
- VBUS [pin 5]

### J600 — [SJ1\-3535NG](https://flux.ai/vasy_skral/sj1-3535ng~umf.md)

- Datasheet URL: https://www\.cuidevices\.com/product/resource/digikeypdf/sj1\-353xng\.pdf
- Role Details: Switched stereo 3\.5 mm jack
- Symbol Style: parametric\-v1
- Part Type: Connector
- Manufacturer Name: CUI Devices
- Role: Audio Connector
- Functional Group: Audio Left
- Manufacturer Part Number: SJ1\-3535NG

**Pins:**
- ring [pin 3]
- ring switch [pin 5]
- sleeve [pin 1]
- tip [pin 2]
- tip switch [pin 4]

### J601 — [B3B\-ZR\(LF\)\(SN\)](https://flux.ai/lcsc/b3b-zrlfsn~kkly.md)

- Functional Group: Interconnect Connectors
- Datasheet URL: https://lcsc\.com/product\-detail/ZH\-Connectors\-1\-5mm\_JST\-Sales\-America\_\_JST\-Sales\-America\-ZHseries\-socket\-1\-3P\-pitch1\-5mm\_C158001\.html
- Package or Case Code: CONN\-TH\_B3B\-ZR
- Manufacturer Part Number: B3B\-ZR\(LF\)\(SN\)
- Role Details: JST B3B\-ZR\(LF\)\(SN\), ZH series, 1\.50mm pitch; pin 1 AUDIO\_L\_OUT, pin 2 AGND, pin 3 AUDIO\_R\_OUT
- Product Info Url: https://lcsc\.com/product\-detail/ZH\-Connectors\-1\-5mm\_JST\-Sales\-America\_\_JST\-Sales\-America\-ZHseries\-socket\-1\-3P\-pitch1\-5mm\_C158001\.html
- Role: Audio Connector
- Manufacturer Name: JST
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C158001
- Part Type: Wire To Board / Wire To Wire Connector

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]

### J602 — [B11B\-PH\-K\-S\(LF\)\(SN\)](https://flux.ai/jecstronic/b11b-ph-k-slfsn~j71.md)

- Datasheet URL: https://www\.jst\-mfg\.com/product/pdf/eng/ePH\.pdf
- Manufacturer Name: JST Sales America Inc\.
- Part Type: Connector
- Role: Board Interconnect
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Interconnect Connectors
- Role Details: 11\-position 2\.0 mm JST PH main\-board interconnect; preserves original pin order and nets
- Manufacturer Part Number: B11B\-PH\-K\-S\(LF\)\(SN\)

**Pins:**
- Pin\_1 [pin 1]
- Pin\_10 [pin 10]
- Pin\_11 [pin 11]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]
- Pin\_7 [pin 7]
- Pin\_8 [pin 8]
- Pin\_9 [pin 9]

### J603 — USB4510\-03\-1\-A

- Manufacturer Name: GCT \(GLOBAL CONNECTOR TECHNOLOGY\)
- Role Details: GCT USB4510\-03\-1\-A USB\-C output source/DFP with separate shell\-stake shield net
- Part Type: Connectors
- Datasheet URL: https://cdn\.flux\.ai/project/chat/attachments/GCT\_USB4510\-dab1fc8c\-d529\-4c83\-b42d\-2741f6bdd947\.pdf
- Description: USB Connectors USB C Rec 16P 3u" Mid Mnt 1\.6mm O\-set SMT L = 6\.5mm S\-Spring
- Height: 3\.36mm
- Manufacturer: GCT \(GLOBAL CONNECTOR TECHNOLOGY\)
- Mouser Part Number: 640\-USB4510031A
- Mouser\_Price\-Stock: https://www\.mouser\.co\.uk/ProductDetail/GCT/USB4510\-03\-1\-A?qs=7D1LtPJG0i3iod3O3OZ7LA%3D%3D
- Manufacturer Part Number: USB4510\-03\-1\-A
- Role: Coupling
- Mount: Surface Mount
- Functional Group: USB\-C Output Right

**Pins:**
- CC1 [pin A5]
- CC2 [pin B5]
- DN1 [pin A7]
- DN2 [pin B7]
- DP1 [pin A6]
- DP2 [pin B6]
- GND\_1 [pin A1]
- GND\_2 [pin A12]
- MH1 [pin MH1]
- MH2 [pin MH2]
- MH3 [pin MH3]
- MH4 [pin MH4]
- SBU1 [pin A8]
- SBU2 [pin B8]
- VBUS\_1 [pin A4]
- VBUS\_2 [pin A9]

### J605 — USB4510\-03\-1\-A

- Manufacturer Name: GCT \(GLOBAL CONNECTOR TECHNOLOGY\)
- Part Type: Connectors
- Role: Coupling
- Datasheet URL: https://cdn\.flux\.ai/project/chat/attachments/GCT\_USB4510\-dab1fc8c\-d529\-4c83\-b42d\-2741f6bdd947\.pdf
- Functional Group: USB\-C Center
- Description: USB Connectors USB C Rec 16P 3u" Mid Mnt 1\.6mm O\-set SMT L = 6\.5mm S\-Spring
- Height: 3\.36mm
- Manufacturer: GCT \(GLOBAL CONNECTOR TECHNOLOGY\)
- Mouser Part Number: 640\-USB4510031A
- Mouser\_Price\-Stock: https://www\.mouser\.co\.uk/ProductDetail/GCT/USB4510\-03\-1\-A?qs=7D1LtPJG0i3iod3O3OZ7LA%3D%3D
- Manufacturer Part Number: USB4510\-03\-1\-A
- Role Details: GCT USB4510\-03\-1\-A USB\-C charging input sink/UFP with separate shell\-stake shield net
- Mount: Surface Mount

**Pins:**
- CC1 [pin A5]
- CC2 [pin B5]
- DN1 [pin A7]
- DN2 [pin B7]
- DP1 [pin A6]
- DP2 [pin B6]
- GND\_1 [pin A1]
- GND\_2 [pin A12]
- MH1 [pin MH1]
- MH2 [pin MH2]
- MH3 [pin MH3]
- MH4 [pin MH4]
- SBU1 [pin A8]
- SBU2 [pin B8]
- VBUS\_1 [pin A4]
- VBUS\_2 [pin A9]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/serialtje/usb\-c\-io\-interface\-board\~70](https://flux.ai/serialtje/usb-c-io-interface-board~70).*

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*Generated from [https://flux\.ai/serialtje/usb\-c\-io\-interface\-board\~70](https://flux.ai/serialtje/usb-c-io-interface-board~70)*