Charging control method and device
A charge control method and charge control technology, applied to circuit devices, battery circuit devices, secondary battery charging/discharging, etc., to achieve the effect of lowering temperature and reducing heat generation
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[0067] In order to better explain the present invention, the current charging technology is firstly introduced below.
[0068] Low-power wireless charging (receiving end power less than 5W) has gradually withdrawn from the market due to its slow charging rate and poor user experience. The latest standard of the wireless charging standard (QI) introduces medium-power wireless charging with the power of the receiving end greater than 5W and less than 15W, and this increase in power will be accompanied by serious heating problems in practical applications.
[0069] When researching 5 to 15W wireless charging products, it is found that because the wireless charging terminal only has a higher charging efficiency when it is at the center point of the wireless charging plate, the charging efficiency is about 70%, and the heat generation is relatively small. In order to ensure that the input power of the receiving end remains unchanged, the transmitting end often transmits at a higher...
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