source:power adapter Popular:adapter release time:2021-11-26 09:40:42 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. U.S. power adapter
For charger products, some people call wall plug-in Chinese-certified power adapters as power adapters, switching power supplies, and transformers. Charge your mobile phone or laptop when it is dead. These are the easiest. The current society is a fast-paced society. The current mobile power supply promotes fast and high-efficiency charging, which greatly saves time for citizens, and the chargers on the market now have high-efficiency charging. Effect
Power adapters are divided into wall-mounted power adapters and desktop power adapters, and wall-mounted power adapters are also called wall-mounted power adapters. U.S. power adapter
Pay attention to the single-point grounding of digital circuits and analog circuits, single-point grounding of large current circuits and small current circuits, especially current and voltage sampling circuits, to reduce common resistance interference and reduce the impact of ground loops;
Pay attention to the distance between adjacent lines and the nature of the signal when wiring to avoid crosstalk;
Reduce ground wire impedance;
U.S. power adapter
Reduce the area surrounded by the high-voltage and high-current circuits, especially the primary side of the transformer, the switch tube, and the power supply filter capacitor circuit;
Reduce the area enclosed by the output rectifier circuit, freewheeling diode circuit and DC filter circuit;
Reduce the leakage inductance of the transformer and the distributed capacitance of the filter capacitor;
Use filter capacitors with high resonant frequency, etc.
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