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Shenzhen KINRI Energy Technology Co.,Ltd.

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· The characteristics of desktop power adapters

The desktop power adapter mainly has the following characteristics：48W Desktop Power Adapter 1. Multiple output voltage rangesDesktop power adapters have multiple output voltage ranges and can adapt to various device requirements. The common output voltage ranges include 5V, 9V, 12V, 24V, etc., which meet the power supply requirements of different devices.2. High output powerDesktop power adapters have high output power, with most products having an output power of over 10W, which can meet the power needs of most devices. And it can maintain a relatively stable output voltage even when working at full load, without affecting the normal operation of the equipment.3. High conversion efficiencyDesktop power adapters have high conversion efficiency and can convert input AC power into the DC power required by the device. The conversion efficiency reaches over 80%, which can effectively reduce energy loss and improve power utilization.4. Good stability and high safetyDesktop power adapters...
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05-08
2024
· Design Concept of Output Overvoltage Protection Circuit for Switching Power Supply

1.IntroductionSwitching power supply may experience high or low output voltage during use: There is a rated voltage in the switching power supply. If the rated voltage is exceeded, it may exceed the withstand voltage value of the output capacitor, causing the power supply to heat up, breakdown, burn or even catch fire. Therefore, different types of protection circuits are designed. When the control circuit fails or other faults cause a voltage increase, the output of the power supply is turned off to protect the load and improve the reliability of the system.2. Common methodsThe following introduces several common principles and advantages of overvoltage protection circuits:(1) Output overvoltage protection circuit oneThis scheme uses a combination of a voltage regulator and an optocoupler to control the primary control IC to stop working and achieve overvoltage protection by relying on the conduction of the optocoupler; When an external voltage higher than the normal output voltage r...
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05-08
2024
· The characteristics, applications, and differences from other power supply specifications of American standard linear power supplies

In electronic devices and systems, the power supply is a very important component, responsible for providing the electrical energy required for the normal operation of the equipment. There may be differences in power specifications and standards among different regions and countries, among which American linear power supply is a common power specification widely used in regions such as the United States and Canada. This article will introduce the characteristics, applications, and differences between American standard linear power supplies and other power supply specifications.American standard linear power adapterThe characteristics of American standard linear power supplyAmerican standard linear power supply is a power supply that converts alternating current into direct current, and its characteristics mainly include the following aspects:1. High safety: The American standard linear power supply adopts linear regulator technology, which has lower output ripple and noise, and also h...
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05-07
2024
· Classification and application of low-frequency transformers

Low frequency transformers, as an important electrical equipment, are widely used in fields such as communication, electronics, and power. This article will provide a detailed introduction to the classification of low-frequency transformers and explore their applications in different fields.low-frequency transformerClassification of low-frequency transformersLow frequency transformers can be classified into various types based on their structure and working principle, mainly including the following types:1. Core transformer: Core transformer is the most common type of low-frequency transformer. It uses a ferrite core or iron core as the magnetic circuit and achieves voltage conversion through winding of the coil. Core transformers have the advantages of small size, light weight, high efficiency, and low temperature rise, and are widely used in various electronic devices.2. Shell type transformer: Shell type transformer is opposite to core type transformer, with its magnetic circuit lo...
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05-07
2024
· How to choose between series and push-pull switching power supplies?

In the field of power electronics, push-pull switching power supplies and series switching power supplies have their own unique application scenarios. In practical applications, it is crucial to choose the appropriate type of switching power supply correctly.240W Din Rail Switching Power SupplyFactors to consider for push-pull switching power supplies:High power demand: Push-pull switching power supplies can exhibit better performance when the output power is high, and can meet the power supply needs of high-power equipment.Efficiency requirement: It has high efficiency, especially in heavy load situations, and can effectively reduce energy waste. It is more suitable for long-term operation and high energy consumption equipment.High frequency applications: In high-frequency working environments, push-pull switching power supplies can better leverage their advantages and ensure stable output.Factors to consider for series switching power supplies:Simplicity requirement: Its circuit str...
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05-07
2024

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