source:Industry News Popular:adapter release time:2021-12-11 10:02:45 Article author:sznbone
Because for the current industry market, inferior power adapters account for about 30% of the market. It is a big threat to our factories that make high-quality products, because the unit price of power adapters produced with second-hand originals will be 30% or more cheaper than the unit price of our brand-new materials. As a result of the chaos in the current market, some manufacturers are struggling with prices, and quality has not received much attention. It is a big hidden danger for customers and terminal consumers. 24V power adapter
There are generally two types of power adapters: one is a switching power supply, and the other is a transformer-type power supply. Switching power supply circuit is more complicated, with more components, it is a new type of power supply. The latter is a very common power supply with relatively simple components, mainly including step-down transformers, rectifier diodes, filter capacitors, etc., and the higher-end ones are also composed of voltage stabilization protection circuits.
The application of the power adapter in the notebook computer, the semiconductor integrated circuit (IC) used in the notebook computer requires a DC voltage. The DC voltage is used because the IC cannot work under the AC voltage of 50Hz or 60Hz, and the IC will be reversed voltage (reverse bias voltage). )damage. Generally, the fault voltage of an IC is below DC20V (DC5V～10V), and the IC can only work stably within the voltage range of the high-power power adapter specified in the product specifications. Therefore, the voltage of the power adapter that supplies the IC must be within the operating range. 24V power adapter
Many users who use both iPhone and iPad often charge two electronic products together, but the currents of the two power adapters are different, one is 1A and the other is 2.1A. Mixed charging will cause the battery life of the machine to be reduced.
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