Huizhou (HK) Yingyuan Technology
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The power adapter cannot be directly used for charging, but it can be charged by connecting the charger and device.1. Function and limitations of power adapterPower adapters are typically used to provide power to electronic devices. Its function is to convert the input voltage into a voltage suitable for device use, and transmit electricity to the device through a plug. However, unlike chargers, the output power of a power adapter is fixed and usually does not include charging functionality.Therefore, the power adapter cannot be directly used for charging. Attempting to charge the device using a power adapter may cause the charging board to short circuit or the device to overheat, resulting in damage to the device.2. Methods and precautions for charging with adaptersHowever, in some cases, a power adapter can be used to charge the device. The simplest method is to connect the device to a charger and then plug the charger into the power adapter. The limitation of this method is that th...
2024
In modern life, mobile phones are indispensable. We use our phones every day to make calls, surf the internet, play games, and so on. When using a mobile phone, it is inevitable to encounter situations where the phone's battery is low. To solve this problem, many people choose to charge their phones while playing. So, does charging while playing with your phone have an impact on the battery? Let's explore together below.Will charging while playing with your phone affect battery life?Charging your phone while playing does not directly affect the battery life. The batteries of modern smartphones have undergone strict testing and optimization, ensuring their lifespan under normal use. Moreover, the design of smartphones also takes into account the possibility that users may need to charge during use, so there will be relevant protection mechanisms during charging.When playing with your phone while charging, the battery will prioritize using the energy provided by the charger to power it,...
Switching power supplies are an indispensable part of electronic devices, but the noise generated during their operation has caused a lot of trouble for users. Noise not only affects people's mood, but may also have adverse effects on other components of electronic devices. Therefore, how to reduce the noise of switching power supplies has become an important issue that electronic engineers need to face.Firstly, we need to understand the sources of switching power supply noise. The noise in switching power supplies mainly comes from the high-speed switching action of switching tubes and the vibration of components such as inductors and capacitors. When the switching tube switches quickly, the current will suddenly change direction, causing a magnetic field change in the inductance, thereby causing noise. In addition, capacitors can also generate vibration and noise during the charging and discharging process.To reduce the noise of switching power supplies, we can start from the follow...
Power supply noise refers to the fluctuation of voltage or current caused by various factors in the power circuit. This fluctuation not only has a negative impact on the stability and performance of electronic devices, but may also pose a threat to the safety of the devices. The generation of power supply noise can be mainly attributed to the following three aspects:1. Quality issues with the power supply itselfThe design and manufacturing quality of the power supply itself is an important factor in the generation of power supply noise. For example, if the filtering circuit inside the power supply is not designed properly or the quality of the components is not up to standard, it may lead to high-frequency harmonic components in the output voltage or current of the power supply, resulting in noise. In addition, the mismatch between the rated power and load of the power supply may also lead to the generation of noise. When the load of the power supply changes significantly, the output...
Switching power supplies play a crucial role in modern electronic devices, and the choice of their operating frequency not only affects the performance of the power supply itself, but is also closely related to the stability and efficiency of the entire system. So, when choosing a switching power supply, what factors are we based on to determine its operating frequency?1. Efficiency and thermal designThe efficiency of switch mode power supplies is often directly related to their operating frequency. High frequency switching power supplies typically use smaller transformers and capacitors, which reduce their volume and weight, but may also result in higher switching losses. Although low-frequency switching power supplies have lower switching losses, the volume and weight of the filters and transformers they use may be larger. Therefore, when selecting the operating frequency, it is necessary to comprehensively consider efficiency and thermal design to ensure that the power supply can o...