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Common failures caused by power adapter and battery issues

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Common failures caused by power adapter and battery issues

A notebook computer is a highly integrated electrical device that requires high voltage and current requirements. At the same time, its internal electronic components are also relatively fragile. If the input current or voltage is not within the design scope of the related circuit, it may cause serious consequences of burning the chip or other electronic components. Therefore, the power adapter and battery of the laptop power supply equipment are stable. Sex becomes very important.

There are many faults related to the power supply of notebook computers, which are caused by problems with related circuits such as the protective isolation circuit and the charging control circuit in the notebook computer host, and are caused by problems with the power adapter and the battery itself.

Common faults of power adapters include no voltage output or unstable output voltage. The input voltage of a laptop computer power adapter is usually 100V ~ 240V AC. If the power adapter's input voltage is not in this range, it is likely to cause the power adapter to burn out. The power adapter itself generates a lot of heat. If the heat dissipation conditions are not good during use, the internal circuit may not work properly, which may cause a failure of no voltage output or unstable voltage output.

The failures caused by the laptop battery's own problems mainly include the battery's no voltage output and its inability to charge. There are certain limits to the charging and discharging of the battery of a notebook computer battery. If it exceeds this limit, it may cause damage. The circuit board in the battery has a certain protective effect on charging and discharging, but it may also cause failures, which may cause the battery to have no voltage output or fail to charge.


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| Release time: 2019.09.23 Source: Power adapter manufacturers
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Dongguan Qiqi Industrial Co., Ltd. specializes in producing: power adapters , chargers, LED drive power supplies, car chargers, switching power supplies, etc ...