What is the function of notebook power adapter? Can it play a protective role?

Power adapter is a power conversion device for small portable electronic equipment and electronic appliances, which is generally composed of shell, power transformer and rectifier circuit. According to its output types, it can be divided into AC output type and DC output type. According to the connection mode, it can be divided into plug-in wall type and desktop type.

Widely used in notebook computers, tablet computers, telephones, game machines, language repeaters, walkman, mobile phones, liquid crystal displays, medical equipment and so on. I know that "Dragon" is a professional manufacturer of power adapters. Good quality.

A good power adapter is controlled by a single chip microcomputer and has multiple protections, such as overvoltage, overcurrent, overtemperature and short circuit protection.