The Development Trend And Market Prospect Of The Power Adapter

- Oct 09, 2017 -

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 way of connection can be divided into the wall type and the desktop type.

Application of the power adapter
The power adapter is widely used in consumer electronics, and most of the output power is within 100 watts. Market demand is growing rapidly. Such as electric bicycle battery chargers, small sized LCD TVS, laptops, printers, DVD players and set-top boxes, 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 conversion and the heat generated by the gathered in notebook 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. Besides, the development and application of power adapter are of great significance in saving energy, saving resources and protecting environment.

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