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How to distinguish between the charger and power adapter

Writer:www.turnmax-tech.comSource:东莞市腾茂电子有限公司 Date:2016-11-14
Charger usually refers to a converts alternating current to a low voltage dc equipment, its interior includes current limit, limit pressure meet the charging characteristics of control circuit, etc
The power adapter is a variable pressure, rectifier and the voltage stability of power converter, the output is dc, in the case of meet the power can be understood as a low pressure regulated power supply.
Charger it widely used in various fields, especially in the field of life is widely used in electric vehicles, the common appliances such as a flashlight. It is generally for battery charging directly, not through any intermediary equipment and devices.
Charging theory of three stages in the process of charging can greatly improve the battery charging efficiency, shorten the charging time, and can effectively extend the life of the battery. A three-stage charging use constant current charging, constant voltage charging again, finally USES the floating charge for maintenance.
Generally divided into fast charging, charging up, a trickle charge three phases:
Fast charging stage: with large current charging the battery to rapidly restore the battery power, charging rate can reach more than 1 c, charging voltage is low, but it would limit the charging current within the scope of a certain value.
Complement the charging stage: relative to the stage of fast charging, charging up stage and could be called slow charging stage. When, at the termination of the stage of quick charge battery has not fully enough, still need to join up the charging process, make up the charging rate is generally not more than 0.3 C, because the battery voltage was increased after a stage of fast charging, so pay for the charge voltage phase should also be improved, and the constant within a certain range.
Trickle charging stage: in the supplement charge late stage, when the detected temperature rose more than limit value or charging current decreases to a certain value, start with a smaller current charge until the end of satisfy certain conditions after charging.
Composite aircraft power adapter used in routers, phone, game consoles, the language repeater, walkman, laptops, mobile phones and other devices. Most of the power adapter can automatically detect 100 ~ 100 v alternating current (50/60 hz).
Power adapter is a small portable electronic devices and electronic power supply power transformation equipment, its external power supply, and host connected by a line, so that we can reduce the volume and weight of the host, only a handful of the electricity supply of equipment and appliances built within the host.
Inside it is composed of power supply transformer and rectifier circuit, according to its output type can be divided into the ac and dc output; According to the connection mode can be divided into the plug wall and desktop type. Have a nameplate on the power adapter, marked on the power, input and output voltage and power flow indicators, such as paying special attention to the input voltage range.
Specifically like mobile phone and computer charger is not including internal control circuit, charging control circuit are usually performed on the host. So the phone charger and laptop charger is just a power adapter, it is not including the charging control circuit, the natural cell phone charger and laptop chargers and similar work by the host control power is the power adapter actually, just the traditional call misleading, because people used to call for electric appliance and equipment power supply power supply charger.
Summarize the charger with the difference between the power adapter, charger contains the function of the power adapter, but the interior of the charger also has permanently meet charging characteristics such as flow, constant pressure control circuit

TypeInfo: Corporate News

Keywords for the information:The power adapter manufacturers