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  • Advantages and classification of power adapter

    Advantages and classification of power adapter

    (1) Advantages of power adapter Power adapter is a static frequency conversion power supply composed of power semiconductor components. It is a static frequency conversion technology that converts power frequency (50Hz) into intermediate frequency (400Hz ~ 200kHz) through thyristor. It has two f...
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  • Basic knowledge of power adapter

    Basic knowledge of power adapter

    Power adapter is known as high-efficiency and energy-saving power supply. It represents the development direction of regulated power supply. At present, monolithic power adapter integrated circuit has been widely used because of its significant advantages of high integration, high cost performanc...
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  • What is a power adapter?

    What is a power adapter?

    Any electronic equipment needs DC power adapter to supply the circuit, especially the electronic products powered by grid power adapter. In order to adapt to the fluctuation of grid voltage and the change of circuit working state, it is more necessary to have DC regulated power adapter to adapt t...
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  • The difference between power adapter and laptop battery

    The difference between power adapter and laptop battery

    The power supply of notebook computer includes battery and power adapter. The battery is the power source of notebook computer for outdoor office, and the power adapter is the necessary device to charge the battery and the preferred power source for indoor office. 1 battery The essence of laptop ...
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  • Common failures caused by power adapter and battery problems

    Common failures caused by power adapter and battery problems

    Notebook computer is a highly integrated electrical equipment, which has high requirements for voltage and current. At the same time, its internal electronic components are also relatively fragile. If the input current or voltage is not within the design range of relevant circuits, it may cause s...
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  • Common failures caused by power adapter and battery problems

    Common failures caused by power adapter and battery problems

    Notebook computer is a highly integrated electrical equipment, which has high requirements for voltage and current. At the same time, its internal electronic components are also relatively fragile. If the input current or voltage is not within the design range of relevant circuits, it may cause s...
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  • Summary of overcurrent protection experiment

    Summary of overcurrent protection experiment

    In the series regulated power adapter, all load current should flow through the regulating tube. In case of overload, instantaneous charging of high-capacity capacitor or short circuit at the output end, a large current will flow through the regulating tube. Especially when the output voltage is ...
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  • Structure and core functions of power adapter

    Structure and core functions of power adapter

    If someone suddenly mentions the power adapter to you, you may wonder what the power adapter is, but you may not expect that it is in the corner around you that you have almost forgotten. There are countless products matched with it, such as laptops, security cameras, repeaters, set-top boxes, it...
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  • Notebook power is very hot, how to solve it?

    Notebook power is very hot, how to solve it?

    When you unplug the power adapter after charging the notebook, you will find that the power adapter is hot and the temperature is too high. Is it normal for the notebook power adapter to be hot during charging? How to solve this problem? This article will solve our doubts. It is a normal phenomen...
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  • Development trend of switching power supply technology

    Development trend of switching power supply technology

    The development trend of switching power supply technology is very in-depth analysis of the development trend of switching power supply technology in the future. 1. High frequency, lightweight and miniaturization. For switching power supply, its weight and volume will be affected by energy storag...
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  • Development trend of switching power supply technology

    Development trend of switching power supply technology

    Switching power supply technology is the main development trend of regulated power supply and electronic information technology in the future. Now it has been widely used in all walks of life. Next, we will conduct an in-depth analysis of the development trend of switching power supply in the...
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  • Power adapter maintenance example

    Power adapter maintenance example

    1、 Maintenance example of laptop power adapter without voltage output When a laptop is in use, the voltage rises suddenly due to the problem of power supply line, causing the power adapter to burn out and no voltage output. Maintenance process: the power adapter uses switching power supply, and ...
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