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What is a type-C data cable?
Type-C is a hardware interface specification for Universal Serial Bus (USB). It is different from the Apple data cable and USB data cable we usually use
Advantages and disadvantages of type-C data cable
1. Transmission speed: A major feature of the USB 3.1 (Type-C interface) version is the transmission speed, which surpasses the previous version and doubles the theoretical bandwidth from 5Gbps to 10Gbps.
2. Another major feature of the Type-C data cable is that it can be plugged in at will, and the error rate is reduced to zero. Even a 3-year-old child can't plug it in.
3. The interface is slimmer: different from the traditional USB Type-A and Type-B interfaces that are common in life, the new Type-C interface is slim in size, only 8.3*2.5mm, which is more suitable for increasing miniaturization Used in electronic products and equipment, it can withstand more than 10,000 times of repeated plugging and unplug;
4. Strong power supply capability: Type-C interface adopts USB3.1 standard and can provide up to 100W power output, and can realize two-way power supply through USB Type-C interface: it can not only charge the device itself but also supply power to external devices and charge the device Time can also be shortened accordingly;
But there is one thing you need to understand. For a Type-C data cable mobile phone that is only USB 2.0 standard, it cannot support real fast charging. The most obvious example is a OnePlus 2 mobile phone. In fact, we have not encountered it yet. Through the Type-C hub that really supports fast charging.
The Type-C interface has strong expandability, can transmit audio and video signals, and can be extended to a variety of audio and video output interfaces, such as HDMI, VGA, and DVI interfaces, and can even achieve extended transmission up to 4K resolution.Disadvantages:
The cost is too high, and the power output of 100W determines the wire requirements, so the current supporting products are not enough, and they are still in the promotion period.
Security: Due to the flexibility and openness of the Type-C data cable, once it is attacked by hackers, it will have a wide range of influence. Especially when facing BadUSB vulnerabilities, it is easy to infect other electronic products with malicious code and repair them. The possibility is relatively small. However, since the USB3.1 interface has become a standard, it must be complied with. This is also inevitable for all manufacturers. Therefore, it is recommended that users do not use strangers' computers or download unknowing applications.
The development trend of type-C data cable
Entering October 2019, Microsoft released Surface Pro 7, Amazon released Kindle Fire HD 10, and Sony also announced its latest Play Station 5; these three devices belong to PC, tablet and game console, but are not compatible with Compared with their respective previous generation products, these three devices have one thing that cannot be ignored-they all use the USB Type-C (also known as USB-C or Type-C) interface. To
In this regard, Patrick Moorhead, the founder of Moor Insights & Strategy, said in an interview with the US "Wired" magazine:
USB-C has become the industry standard for every personal computing and connection device. To
In fact, USB Type-C has been born as an interface standard for more than 5 years. To
In August 2014, in the newly released USB 3.1 standard, Type-C was formally proposed as an interface; it is a new type of USB cable and connector specification that defines connectors, ports, containers, and cables. A complete set of brand new USB physical specifications including cables, etc.
However, Type-C is only one of the three interface styles proposed in the USB 3.1 standard. In fact, in the USB 3.1 standard, there are three interface styles, one is Type-A (that is, Standard-A, the most common USB interface style on traditional computers), and the other is Type-B (also the previous interface style), The other is Type-C. To
It can be seen from the naming of the three interface styles that the makers of the USB 3.1 standard (USB IF Association) are also trying to simplify and unify the long-standing and diverse interface types in the industry.
Simply put, the USB IF Association selected the most extensive two of the nearly ten types of USB interfaces currently in existence, named Type-A and Type-B respectively, and then redesigned a new interface And named it Type-C; only these three interfaces can support the data transmission speed, current transmission size and other technical standards under the USB 3.1 standard.
As a matter of fact, USB is a technical standard, and every new version is formulated on the basis of technical updates to consider the compatibility of the previous version.
Therefore, among the three interfaces of the USB 3.1 standard, the existence of Type-A and Type-B is more to consider the issue of backward compatibility and unification of existing interfaces. In a sense, the existence of the two can be regarded as a compromise between the new standard and the past; of course, this compromise is very necessary.
On the other hand, only Type-C is the pioneering place of USB 3.1 in terms of interface styles. It is precise because of this that Type-C has attracted the attention of the world in the design stage; when it is finally formed, it is announced to the world. After that, it aroused many discussions and expectations.
So, why propose USB Type-C? To
With more and more new devices pursuing lightweight and miniaturization, the "large" size of the traditional USB interface has been difficult to meet the needs of device manufacturers and consumers.
At the same time, the problem of repeated plugging and plugging and finding the "right" direction in the traditional USB interface has been widely criticized by consumers. Users urgently need an interface that can be plugged in front and back like a Lighting interface, especially in mobile phones. In a large number of devices connected to data lines, the experience of plugging in the wrong interface once or twice a day is never friendly. To
Based on these issues, the makers of the USB standard introduced the Type-C physical interface specification, which introduced several major features:
Slim. Different from the traditional Type-A interface that is common in life, the new Type-C interface has been greatly reduced in size, only 8.3*2.5 mm, which is more suitable for use in increasingly miniaturized computing devices. To
No directionality. Similar to the Apple Lightning interface, the Type-C interface has no directional requirements, that is, the pairing can be completed by inserting the front and back sides, which greatly improves the ease of use of the USB interface.
However, in addition to convenience, the USB Type-C interface has another layer of symbolic meaning.
The USB standard was proposed based on a basic idea to regulate the connection and communication between computers and other external devices. Since the USB 1.0 era, people have designed the Type-A interface style used by today's USB 3.1 standard for computers (of course it was not the name at that time), and this interface style has gone through the three generations of USB 1.1, USB 2.0 and even USB 3.0. The standard update still survives tenaciously in this world, and once dominated the USB interface types of most computers in this world.
And those other external devices connected to the computer not only disappeared or emerged during the development process but also produced a lot of complicated interfaces. In this case, the Type-C interface was born; this interface can not only connect to mobile phones, tablets, etc., but also directly connect to the computer in other words, the interface between the computer and other devices is more equal, The computer is no longer the absolute center, and the phone and tablet can also be connected through Type-C.
In other words, Type-C actually better confirms the arrival of the mobile Internet era; in this era, there are more and more devices-computers, mobile phones, tablets, TVs, e-book readers and even cars- -Both can use different ways to access the Internet, thereby weakening the central position of the computer previously symbolized by the Type-A interface. To
Type-C has become an industry standard
A few months after the introduction of the USB 3.1 standard, Type-C was quickly recognized and adopted by the industry.
Among them, in the first half of 2015, a number of giant companies in the technology industry launched different types of Type-C devices, such as the N1 tablet released by Nokia in January 2015, and the 12-inch tablet released by Apple in March 2015. MacBook (this product line has now disappeared), and Google released Chromebook Pixel 2015 in March 2015.
However, in the field of smartphones, the first to support Type-C interface is the LeTV super phone launched in April 2015.
Since then, in addition to smartphones, tablets, notebooks, and other devices, many manufacturers have also launched a series of other devices along with the upsurge of Type-C interfaces, such as desktop motherboards, USB PD chargers, U disks, mobile hard drives, mobile Power supply, car charger, cable, earphone, sports camera, and other equipment.
Relatively speaking, among many electronic devices, the product category of smartphones embraces Type-C interfaces more quickly. From the second half of 2015, almost all Android manufacturers will adopt Type-C in their high-end smartphones. interface.
However, in subsequent product strategies, some Android manufacturers often regard the Type-C interface as an important product attribute to distinguish high-end and low-end smartphone products-often using the older Micro-B interface on entry-level or low-end phones. To
In addition, Apple's embrace of the Type-C interface has also attracted attention. In addition to being the first to install Type-C in 12-inch MacBook notebooks, Apple later introduced a new generation of MacBook Pro in 2016 and replaced all body interfaces with Type-C; in 2018, Apple introduced a new generation of MacBook Air Type-C-Since then, MacBook has fully used the Type-C interface.
On the new iPad Pro launched in 2018, Apple also replaced the previous Lightning interface with Type-C, and this highlights the productivity attributes of the new iPad Pro. To
Different from Apple, as another important player in the field of productivity, Microsoft has not yet introduced Type-C in its Surface Pro; but at the New York conference in October this year, Microsoft finally released the latest Surface Pro Type-C interface is configured in 7.
At the same time, the Surface Pro X and Surface Laptop 3 released together are also equipped with Type-C.
to sum up
It is worth mentioning that although the USB Type-C interface is based on the USB 3.1 standard, in actual industry applications, many manufacturers also choose to use the Type-C interface without the USB 3.1 standard; so, Although it fails to meet the requirements of the USB 3.1 standard in terms of transmission speed and charging efficiency, you can enjoy the convenience of the USB Type-C interface style.
In other words, as a new interface, USB Type-C has also achieved downward compatibility in the process of becoming popular.
From the perspective of the development process of Type-C, a technical standard from birth to popularization obviously requires the promotion of the entire industry and the gradual acceptance of the market, and it cannot be achieved overnight.
For Type-C, it took five years from the formal establishment of the standard to the recognition by the entire industry.
And five years have also proved and will continue to prove that Type-C is a correct interface direction-after all, in the latest generation of USB4 standards, Type-C has become the only supported interface.
Finally, welcome to the era of Type-C interfaces.