After considering the power supply is not surprising. We rarely around power management to design the system, but just the opposite. This work order will cause panic, especially when very little space on the PCB. The only method is to find the smallest available switch power adapter or use the external charging power adapter.

Currently has a lot of pressure, which requires we will electronics manufacturing more thin. There must be more and more big screen TV, very thin, even at the same time can be easily mounted to the wall or put to any home decor environment. To the requirement of computer and multimedia center equipment, too, to coordinate the home entertainment, media storage, video on demand, and other equipment intelligent living room. The volume of all products to achieve thinner: video games, laptops, printers, scanners, copiers, fax machines, radio and in the office or any equipment need valuable space in the family. "Thin" is one of the biggest selling point, sometimes in the name of the product shall be emphasized. The volume of a portable device in the narrow, also have thin small ac adapter sales is best.