source:power adapter Popular:adapter release time:2021-07-16 13:36:46 Article author:sznbone
Before introducing the difference between a charger and a power adapter today, let’s first understand what a charger is and what a power adapter is.
Power adapter refers to the power supply that provides power to the equipment, such as the power supply of the computer host, the power supply of the printer, and the power supply of the display. These are not called chargers. The power adapter has the characteristics of small size, energy saving and environmental protection, multiple safety protection, long service life, and wide application range. It can be roughly divided into desktop power adapters, in-line power adapters, multi-channel power adapters, USB power adapters, and so on. The power adapter of most mobile PCs can automatically detect 100～240V alternating current (50/60Hz). Basically all mobile PCs have an external power supply and connect to the host with a cable, which can reduce the size and weight of the host. Only a few models have the power built in the host. There is a nameplate on the power adapter, which indicates the power, input and output voltage and current and other indicators. Pay special attention to the range of the input voltage. This is the so-called "travel power adapter". The power adapter includes a charger, but the charger does not include a power adapter.
Charger refers to the power supply that only charges the battery. It is based on the switching power supply with a charging detection and control loop, such as constant current, reverse connection, floating charge, automatic adjustment of equalizing voltage and so on. Commonly used are USB chargers, as well as mobile phone chargers, laptop power supplies, battery car chargers, etc. The chargers generally convert 220V into a suitable DC voltage. According to the type of rechargeable battery, a charging management circuit will be added, which has the right The function of rechargeable battery for charging.
Therefore, the power adapter cannot be used as a charger. So as not to damage the battery. If you use the power adapter as a charger to charge the battery, the result is either unsatisfactory charging or overcharging and damaging the battery.
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