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USB3.1 Type-C Data Line Power Supply Capacity?
Apr 14, 2018

For the USB3.1 Type-C data cable, we generally understand its basic functions: no positive and negative, fast, and can be used as a video output port, etc. These more common functions, of course, in addition to these, there are many people Knowing, today, elaborate on how USB3.1 Type-C data line power supply capability is.

In addition to USB3.1 Type-C data cable can be used to transfer data, but also as a means of power supply. Since the original USB standard did not have power supply capability, the USB 1.0 and 2.0 power supply capacity was limited to 2.5W (0.5A/5v). Although this is enough to supply small electronic devices such as mobile phones, it is obviously not enough for external drives. The USB 3.0 came into being. Its supply value is up to 4.5W (0.9a/5v).


The above mentioned 2.0 and 3.0 are nothing, and USB Type-C interface under the USB 3.1 standard power supply capability can reach up to 20V/5A, which is 100w, not only to meet the requirements of mobile phone charging, but also to meet the flat Equipment and computer charge requirements; In addition, under this power supply capability, other external equipment with high power consumption may also be exempted from the need to connect the power supply.

In addition, regarding the USB3.1 Type-C data line itself, the cost of such a wire is much higher than that of an ordinary USB cable. Process and other aspects must be more complicated than 2.0 and 3.0.