Desktop versus plug-in power adapters

Power adapter is divided into desktop and plug two types of wall, plug wall type power adapter is the body can be directly plugged in the plug board or socket on the use of the power adapter. The desktop power adapter is the power adapter that the ontology needs to be placed on the desktop. Another difference between a desktop power adapter and a plug-in power adapter is that a desktop power adapter requires an AC cable to connect to the mains (alternating current).

Power adapter in security products, communication products, as well as the small home appliance products, and is widely used in consumer electronic products, especially in portable consumer electronics and communications products, generally in the majority with less than 10 w, such as smart phones and tablets generally adopts 5-10 w power adapter Power Supply, and computer peripheral, security products, small home appliances products generally adopt the following 36 w power adapter in the majority, especially in today's energy advocate energy conservation and environmental protection, the power of products is the most common. And notebook, TV and other products generally use a power adapter below 120W, and more than 100W with built-in power. But there are also less than 200W external power adapter, but the number is relatively small.

Generally 36W below the use of plug wall type power adapter, the characteristics of this power adapter is not AC wire, so the cost is relatively save, save space, do not need to put the power table or space. Plug directly into the board also is safe, there are a few below 36 w power adapter using the desktop type, the general because of considering the use the product from the AC plug plate distance far away or because the power adapter volume is larger, the quality is heavier, multi-port USB power adapter, in order to avoid to use the USB plug above product more lead to instability. And more than 36W of the power adapter is not suitable for wall plug, because its size and weight are larger, so 36W above the general use of desktop.

With the development of science and technology, as well as to the increasingly tense energy, to the requirements of energy efficiency is higher and higher, consumer electronics products for the power adapter is high efficiency and wide input voltage range of requirements, as well as copper, iron, and the increase of labor costs, the linear transformer are gradually replaced by the switching power adapter, become one of the many indispensable accessories products.

Best regards,

Shirley Liang