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Shenzhen KINRI Energy Technology Co.,Ltd.

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· Can laptop power adapters be used interchangeably?

The interoperability of laptop power adapters is a common issue. In some cases, laptops of different brands or models may be able to use the same power adapter, but not all cases are applicable. Here are some key points about the interoperability of laptop power adapters:300W Desktop Power Adapter1. Compatibility of brand and modelLaptops of different brands and models typically use different power adapters. Each brand and model has specific power requirements, including voltage, current, and plug shape. Therefore, in general, the power adapters of laptops of different brands or models are not interconnected.2. Voltage and current requirementsEven if two laptops use the same plug shape, their voltage and current requirements may be different. If the voltage and current of a power adapter do not match the requirements of a laptop, it may cause the battery to fail to charge or the power supply to be insufficient, and may even damage the laptop.3. Compatibility identificationSome laptop...
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05-30
2024
· How to buy a suitable laptop power adapter for oneself？

200W Desktop Power Adapter1. Understand laptop power specifications and adapter specificationsBefore purchasing a laptop power adapter, it is necessary to understand the power specifications and adapter specifications of your laptop. You can check the power adapter or check the specifications of your laptop on the official website to confirm how much power and voltage you need to use the power adapter.2. Choose the appropriate powerPower is one of the key conditions for choosing a laptop power adapter. If you choose a power adapter with too low a power, it may not meet the needs of a laptop, resulting in poor performance and easy damage to the computer; A power adapter with excessive power may not affect the normal use of the computer, but it can also increase power consumption and electricity bills.Generally speaking, the power of a laptop is between 30W and 130W, and choosing the appropriate power is very important.3. Pay attention to brand and after-sales supportA good brand of pow...
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05-30
2024
· How to achieve current limiting in high-power chargers?

high-power charger1. Working principle of high-power chargerHigh power chargers typically use switch mode power supplies for battery charging. Switching power supplies can convert the input voltage of the power supply to the battery by controlling the switching transistor of the circuit switch. By utilizing efficient switching characteristics, the original power output is converted into AC voltage, which is further reduced by a transformer to become a stable DC voltage. Then, the required voltage and current are obtained through the conversion circuit.2. Current limiting principle of high-power chargersThere are two main ways to limit the current of high-power chargers: one is instantaneous current limitation, and the other is constant current output.Instantaneous current limitationInstantaneous current limitation is achieved by controlling the MOS transistor in the charging circuit to limit the instantaneous changes in charging current. When the battery voltage reaches the set value,...
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05-29
2024
· Circuit protection scheme for USB power adapter

With the continuous upgrading and powerful functions of smart handheld devices such as smartphones and tablets in today's society, entertainment and personalized applications have also made the battery life of devices a blind spot. In real life, we may often see our friends around us carrying a portable power supply. Without a portable power supply, we can only find a place to charge the device at any time. Therefore, power adapters have always been a necessity for people as standard products.12V ROUTER POWR ADAPTERMiniaturized adapters, represented by Apple's USB power adapter, are becoming increasingly popular, and the SMD miniaturization packaging of more and more circuit components allows commonly used power chargers to become more compact and portable, combining aesthetics and portability. This article explains from the perspective of the application of fuses, an important safety device in internal circuits, how AEM Technology's innovative SMD250VACFUSE - MF2410 series adapts to...
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05-29
2024
· Power Module Selection Guide

Determine the specifications of the power supply, screen based on actual demand indicators, and determine whether to use standard power modules or non-standard power supplies. Non standard power supplies can be customized for production according to demand.AC DC POWER MODULEStep 1:The first step is to choose the input voltage type, AC or DC input● AC input selection AC-DC module (AM21 single output series, AM22 dual output series)● DC input selection DC-DC module (DM21, DM24, DM31, DM41 single channel series)Step 2: Choose the input voltage type, AC or DC inputFirstly, confirm the minimum and maximum values of the input voltage, and then select modules in different ranges based on the determined input voltage;The voltage changes in the output of variable voltage rectification and various types of batteries, batteries, lithium batteries, dry batteries, long-distance transmission, etc. will be relatively large. Sufficient margin should be reserved in the design to ensure the stability a...
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05-29
2024

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