source:Industry News Popular:adapter release time:2022-03-19 10:20:34 Article author:sznbone
The power adapter cannot be used as a charger, the difference is:A charger usually refers to a device that converts alternating current into low-voltage direct current. It includes control circuits such as current limiting and voltage limiting that meet the charging characteristics. The power adapter is a power converter that is transformed, rectified and regulated. The output is DC, which can be understood as a low-voltage regulated power supply when the power is satisfied.The charger is a device that converts alternating current into low-voltage direct current. The charger is a special DC power supply for rechargeable batteries. It includes a current limiting, voltage limiting and other control circuits that meet the charging characteristics.The process of the charger is: constant current - constant voltage - trickle, three-stage intelligent charging. The three-stage charging theory in the charging process can greatly improve the charging efficiency of the battery, shorten the charging time, and effectively prolong the battery life. The three-stage charging adopts constant current charging first, then constant voltage charging, and finally uses float charging for maintenance charging.Generally divided into three stages: fast charging, supplementary charging, and trickle charging:Fast charging stage: The battery is charged with a large current to quickly restore the battery power. The charging rate can reach more than 1C. At this time, the charging voltage is low, but the charging current will be limited within a certain range of values.Complementary charging stage: Compared with the fast charging stage, the supplementary charging stage can also be called the slow charging stage. When the fast charging stage is terminated, the battery is not fully sufficient, and a supplementary charging process needs to be added. The supplementary charging rate generally does not exceed 0.3C. Because the battery voltage increases after the fast charging stage, the charging voltage in the supplementary charging stage is also There should be some improvement and constant within a certain range.
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