12 Volt Adapter Manufacturer

What exactly is a power adapter? How does it work?

It has been in use, but has never been able to figure out that it is the power adapter. Until now there are many people call the cell phone power adapter charging plug, used to it, and do not go to correct it. But as a professional engaged in the power of our own can not be so sloppy, so still feel obliged to popularize the knowledge of the power adapter here.

First, what is a power adapter?

Power adapter, also known as external power supply, is a small portable electronic equipment and electronic appliances, power supply voltage conversion equipment, its role is to convert the high voltage of 220 volts at home into these electronic products can work to stabilize the low voltage, so that they can work properly. Generally by the shell, power transformer and rectifier circuitry, according to its output type can be divided into AC output type and DC output type; according to the connection can be divided into wall-plug type and desktop type. Widely used in telephone sets, game consoles, language repeaters, Walkman, notebook computers, cellular phones and other equipment.

Second, what is the working principle of the power adapter?

To put it plainly: power adapter is the unstable power supply using the principle of switching power supply, through the conversion circuit into a constant voltage DC power needed by the appliances, to power and charge the appliances. This conversion circuit, there must be a protection circuit (over-current protection circuit, over-voltage protection circuit, short-circuit protection circuit, etc.), to prevent accidents, to protect the appliances from burning out. Switching power supply and adapter are both switching power supply, are composed of high-frequency switching tube and its control circuit. Adapter power supply is a regulated switching power supply, switching power supply charger is with a floating charging function, the voltage is with the current becomes smaller and larger, to the end is only voltage and no current.

Although the power adapter is a very common thing, but it is really indispensable in our life, the lack of it will bring great inconvenience to our life.

Now the electronics industry unprecedented prosperity, many companies are researching and developing the production of a variety of electrical products, of course, in these electrical appliances officially put into the market, but also a source manufacturer specializing in the manufacture of power supply to customize the power adapter.