Quick Overview of USB Type-C Pins and Functions
What is USB-C?
USB-C is a 24-pin reversible connector supporting charging, data, and video in one cable.
USB-C Pinout Basics
- VBUS – Power
- GND – Ground
- D+ / D- – USB 2.0
- TX / RX – High-speed data
- CC pins – Power negotiation
- SBU pins – Video/audio
Key Features
Reversible Design Full function depends on internal wiring.
Fast Charging: up to 100W
High-Speed Data: USB 2.0 → USB4
Video Output: DisplayPort / HDMI
USB-C Cable Specifications Table
| Parameter | Standard Value | Notes |
|---|---|---|
| Pin Count | 24 Pins | Full-feature USB-C |
| Voltage | 5V / 9V / 12V / 20V | Via PD protocol |
| Max Current | 3A / 5A | 5A requires E-marker |
| Max Power | 60W / 100W | PD supported |
| Data Speed | 480Mbps – 10Gbps+ | Depends on cable type |
| Video Support | Yes (Alt Mode) | Not all cables |
| Connector Type | Reversible | Plug both sides |
| Cable Types | Charge / Data / Full-feature | Key difference |
| Chip | E-marker (optional) | For high power cables |
| Compatibility | Universal | Phones, laptops, etc. |
Why This Matters
Most cheap cables:
- Only support charging
- No data or video
- Fake “fast charge”
Always confirm:
- Full 24-pin wiring
- PD support
- Data + video capability
Conclusion
USB-C is a multi-function standard, but performance depends on cable design and components.
FAQ
Q: Do all USB-C cables support 100W?
A: No, only 5A cables with E-marker chip.
Q: Can USB-C carry video?
A: Yes, if it supports Alt Mode.
ANSEIP provides full-pin USB-C cables with PD fast charging, high-speed data, and video support for wholesale and OEM.