Figure 3 shows an example from RICHTEK where a buck-boost converter is used to generate the appropriate voltage requested by the notebook computer. The high power flow could be useful when charging a large device such as a notebook computer. Hence, the USB Type-C could deliver a maximum power of 100 W. The maximum current could be also raised up to 5 A. The Power Delivery allows VBUS to have a voltage up to 20 V. The default VBUS voltage is 5 V but the standard allows the devices to negotiate and choose a VBUS voltage other than the default value. The VBUS and GND pins are power and the return paths for the signals. The redundancy is included only to provide a flippable connector. However, the pins are connected to each other and there’s actually only one USB 2.0 data differential pair available for use. There are two D+ pins and two D- pins in the receptacle. The D+ and D- pins are the differential pairs used for the USB 2.0 connectivity. Figures 1 and 2, respectively, show the pins for the USB Type-C receptacle and plug.įigure 1. In the following sections, we’ll see how these features are provided by the USB Type-C standard. It allows the devices to negotiate and choose an appropriate level of power flow through the interface.Moreover, it can support third-party protocols such as DisplayPort and HDMI in a mode of operation called Alternate Mode. It supports USB 2.0, USB 3.0 and USB 3.1 Gen 2 standards.The interface is designed in a way that the plug can be flipped relative to the receptacle. The USB-C interface has three main features: Though USB-C is more commonly used, USB Type-C is the official name of the standard as listed on USB.org. These two terms are generally interchangeable (we'll use both throughout this article). These features can make the USB-C a truly universal connectivity standard for the modern devices. The USB-C is a relatively new standard which aims to provide high-speed data transfer up to 10Gb/s along with power flow capability of up to 100W. Before diving into the pinout and explaining what each is capable of, we'll quickly take a high-level view of what USB-C is and what it's best at. This introductory article will look at some of the most important features of the USB-C standard. Unlike its USB predecessors, it's also flippable-so you don't need to try three times to plug it in.Ī USB Type-C port.
USB Type-C is a specification for a USB connector system that is gaining popularity across smartphones and mobile devices and is capable of both power delivery and data transmission. Do you know your way around a USB Type-C connector? This article lays out the anatomy of the USB Type-C pinout and briefly touches on its various modes.
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