For many users who have purchased Android phones, their charging interface is an important part of their attention.  In the past, Android phones were all Micro USB. Nowadays, mobile phones that support the USB Type-c interface are being popular.  In addition to the Type-c interface, some manufacturers will also promote their use of the USB3.0 interface, many people will doubt, USB3.0 and USB Type-c is a meaning?  What is the difference between Type-C and Micro USB in appearance?

To understand the difference between these two needs to start from two aspects of industry standards and interface types!  The industry standard actually refers to the USB transfer rate, and the transfer speed of each different USB version is different!  The first-generation USB version introduced in 1996, USB1.0, has a theoretical maximum transfer rate of only 1.5 Mbps, which is very slow, and there are very few supported devices at that time. The maximum output current is 5V/500mA.

Type-C has become standard but why the transmission speed is stagnant

In 2000, USB2.0 was born, and its theoretical maximum transmission rate reached 480Mbps. Moreover, USB devices have gained popularity due to their convenience of carrying and standard support for hot plugging, but the maximum output current is still 5V/500mA.  .  The latest USB 3.0 standard was introduced around 2008, and its theoretical maximum transmission rate reached 5 Gbps, and the speed has a qualitative leap.  Its maximum output current reached 5V/900mA, and the USB3.1 standard was born. The theoretical speed reached 10Gbps, which is twice that of USB 3.0. The maximum output current is also 20V/5A.

After talking about the rate, the interface type can be divided into five categories: Type-A interface, Type-B interface, Mini USB, Micro USB, and Type-C.  Type-A interfaces are commonly found in peripheral products such as mice and keyboards. They do not support any front and back insertion!  Type-B interfaces are commonly found in printers, monitors, and other external devices. There are two Type-B versions, Standard and 3.0.

Type-C has become standard but why the transmission speed is stagnant

Mini USB is commonly used in previous mobile phones, such as the previous Nokia mobile phone, and the interface used by card readers, MP3 and other devices.  Micro USB is also more common, and many Android phones use this interface.  Type-C is a new interface that supports both front and back plugging, has more pins, and supports up to USB 3.1, which is common in these 2 years.  The USB organization does not mandate what specifications must be used for any interface. Sometimes the data cable of the Type-C interface you use may use the USB 2.0 standard. The transmission speed is really faster than the data of the Micro USB using the USB3.0 standard cable.

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