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How to choose the power adapter
time2006/08/15
- The power adapter is an important point in the field of battery charging. How should we choose the power adapter?
The power adapter is an important point in the field of battery charging. How should we choose the power adapter?
1. About the promotion options for charging:
The main one is to choose by two factors. The first one is power. The sufficient power will be the focus of the charging speed increase. The other one is the intelligent output on the current. The intelligent output can disintegrate the current limit of the digital device. And at the charging speed and safety.
2. Does the digital device have a current limit:
Many digital manufacturers have restrictions on the charging current of their own products, that is, they must use the original power adapter to charge, otherwise the current input will be rejected. In terms of security, this setting is very good, but in terms of convenience, it is extremely unhumanized.
3, power adapter appearance material selection:
The appearance of the power adapter is generally selected, and the anti-high temperature fireproof material should be used as much as possible, which is more conducive to damage caused by excessive heat generation of the power adapter. If the inferior material is used for charging, it will be easy to have a direct melting of the outer shell when it is heated for a long time.
4, the power adapter power supply selection:
The input of the general mobile phone power adapter is 5V1A, which is the current power required by 5W. The tablet computer basically uses the current input of 5V2.1A, so its current power is 10.5W. There are also a lot of power adapters on the market. Actually, the power is not enough. It only meets a certain power output on the output of the interface, but the power does not reach the corresponding value. So you have to choose between the power.
5. About current and voltage overload protection:
The main function of the current-voltage overload protection function is to perform a function of automatically stopping the current and voltage due to excessive voltage during charging. If the current and voltage exceed a certain limit, the power adapter will stop working, of course, if the current is violent. In the case of increase, it is not excluded that the power adapter will be directly damaged.
6, convenience considerations, more than one machine to choose:
There are more and more digital devices such as mobile phones. In many cases, we often fully connect a mobile phone power adapter or a power adapter such as a tablet on a single plug. A convenient option for selecting a power adapter at the back should be in multi-port charging.