What is the difference between pd interface and typec

PD interface and Type-C interface are two different concepts. PD is a power transmission protocol that can provide higher power transmission through the Type-C port and can adaptively adjust voltage and current. To adapt to the charging needs of different devices, Type-C is a connector standard that supports multiple functions, including data transmission, video output, and charging.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

PD (Power Delivery) interface and Type-C interface are two different concepts.

PD (Power Delivery) is a power delivery protocol that provides higher power transmission through the USB Type-C port. It can achieve power transfer of up to 100W (or even higher), which is more power than the traditional USB interface. The PD interface can adaptively adjust voltage and current to adapt to the charging needs of different devices, such as laptops, tablets, and smartphones.

USB Type-C (Type-C for short) is a connector standard that can support a variety of functions, including data transmission, video output, and charging. Compared with traditional USB interfaces (such as USB-A and USB-B), the Type-C interface has the following characteristics:

1. Reversible plugging and unplugging: The Type-C interface can be used both front and back. Can be inserted and convenient to use.

2. Smaller size: The Type-C interface is smaller than the traditional USB interface, adapting to increasingly thin device designs.

3. Faster data transfer speed: The Type-C interface supports USB 3.1 and USB 3.2 standards, which can achieve higher data transfer speeds, such as more than 10 Gbps.

4. Supports multiple functions: Data transmission, video output (supports HDMI, DisplayPort, etc.), charging and other functions can be performed through the Type-C interface.

It should be noted that although PD (Power Delivery) and Type-C interface are usually used together, not all devices that support Type-C interface support PD function. Therefore, the Type-C interface can be a standard USB 2.0/3.0 interface without the high power transmission capabilities of PD. To ensure that a device supports PD, you need to review the device's specifications and documentation.

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