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The development trend of the power adapter and the market prospect

by:Fuyuang     2020-05-01
Power adapter is a small portable electronic devices and electronic power supply power transformation equipment, generally composed of shell, power supply transformer and rectifier circuit, according to its output type can be divided into the ac and dc output; According to the connection mode can be divided into the plug wall and desktop type. The application of the power adapter power adapter is widely used in consumer electronics, to provide the output power of most are within a 100 - watt, rapidly growing market demand. Such as electric bicycle battery chargers, small size LCD TV, laptop computer, printer, DVD player and set-top boxes are used, etc. Early power adapter are mostly adopted linear transformer, with the consumer electronics for power adapter is high efficiency and wide input voltage range of requirements, as well as copper, iron, and the increase of labor costs, this kind of power adapter inside the original linear transformer were gradually replaced by the switching power supply. The development trend of the power adapter power adapter first appeared in the mid - 1980 - s, Japanese Toshiba, take the lead in the switching power supply technology for laptop external power supply, its initiative to start a new page in the history of the power adapter development, also become the world's first independent notebook power adapter, because using the technology of switch power supply power supply external notebook don't need to take into account the power transfer and the heat generated by the gathered in the laptop itself, and the power adapter is easy to carry, as for it effectively improve the commercialization and universalization of notebook computer. At present, the power adapter high frequency has become the direction of its development, high frequency, the miniaturization of switch power supply, and make the power adapter into a wider range of applications, especially in the high and new technology in the field of application, promoted the miniaturization of high technology products, portable. In addition the development and application of the power adapter in the aspect of saving energy, saving resources and protecting the environment has important significance.
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