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How USB Cable Affect Charging? – USB Cable Wholesaler

30 views Yuda Electronic (HK) Technology Co.,Limited. 2018-10-03

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With the popularity of smartphones, tablets, and other devices, the USB charging cable has become a common consumer. Sometimes our original data cable is broken or lost, which is normal. But the newly bought data line is often not charged or the charging speed is very slow. Why?

 

Just a USB cable, why are these differences, the root cause is the difference in wire design specifications. Even if you buy an officially certified data cable, it only guarantees device compatibility. The charging speed cannot be guaranteed.

 

The printed characters on the USB cable, all kinds of cable are generally designed according to UL, CSA specifications, usually the line will identify the type, specifications and other information.

how usb cable affect charging

The inside of the USB cable is made up of many small soft copper wires, tinned soft copper wires, etc. For example, 20AWG is inserted into 20 wires, and 10AWG is only 10 wires. Relatively speaking, each of the 10AWG wires has a relatively large diameter and a cross-sectional area naturally larger than 20 AWG. The wire diameter of these small wires is proportional to the amount of current that can be carried, that is, the thicker the higher the bearing capacity.

For the USB cable, the AWG value can withstand the amount of passing current is necessarily higher, the key is the cross-sectional area.

新买的USB数据线充电很慢咋办?看这里你就知道了!

 

Choose suggestions:

 

1. The smartphone is recommended to select at least 26AWG specifications, and the tablet is based on 24AWG. The power source terminal such as USB charger and mobile power supply has a larger output current specification than the device design input current.

 

2. If the appearance of the wire of the same specification is different, then in theory it is better to be thicker. The same specifications but different thickness, the thinner product may be the isolation layer is simplified. Even if this does not affect the power transmission effect, the bending durability may be slightly affected.

 

3, choose the appropriate length, if the daily application has a variety of different length requirements, buy a few different lengths of wire to use.

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