source:Industry News Popular:adapter release time:2021-12-08 09:35:48 Article author:sznbone
We often see chargers and power adapters in our lives, but is there any difference between the two before? Is the function the same? Many people don't know it, so let's follow the charger manufacturer to find out!
1. What is a power adapter?
The power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances. It is generally composed of a shell, a power transformer and a rectifier circuit. According to its output type, it can be divided into AC output type and DC output type; according to the connection method, it can be divided into wall plug And desktop. It is widely used in the equipment such as telephone handsets, game consoles, language repeaters, walkmans, notebook computers, and cellular phones.
The power adapter of most notebook computers can be suitable for 100~240V alternating current (50/60Hz). Basically, most notebook computers have an external power supply, and use a power cord to connect to the mainframe, which can reduce the size and weight of the mainframe. Only a few models have the power supply built in the mainframe. There is a nameplate on the power adapter, which indicates the power, input and output voltage and current and other indicators. Pay special attention to the range of the input voltage. This is the so-called "travel power adapter".
2. What is a charger?
Charger usually refers to a device that converts alternating current into low-voltage direct current. Chargers are widely used in various fields, especially in the field of life, which are widely used in common electrical appliances such as mobile phones and cameras.
The charger is a static converter device that uses power electronic semiconductor devices to convert alternating current with a fixed voltage and frequency into direct current. The charger has a wide range of application prospects in the electricity use occasions where the storage battery is used as a working power source or a backup power source.
3. The difference between power adapter and charger:
The charger includes the function of the adapter, but there are also control circuits that meet the charging characteristics such as constant current and constant voltage inside the charger. The charging control circuit of the adapter is generally completed on the host. For example, mobile phone chargers and laptop chargers are actually just power adapters. They do not include a charging control circuit. The charging control is done inside the mobile phone and the computer.
The biggest difference between a charger and an adapter is that the charger only charges the battery, while the adapter can not only charge the battery, but also power the host.
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