source:Charger Popular:adapter release time:2021-07-10 16:04:25 Article author:sznbone
The power adapter is an electronic device that we often use in our lives. It is responsible for the charging function of many devices. Although it is not large in size, it is a small sparrow with complete internal organs. There are many small electronic components inside. The quality of a power adapter has a lot to do with the selection of these components. Today the power adapter manufacturers will introduce to you what are the important components in the power adapter.
1. The high-power switching tube of the power adapter is one of the core components in the switching power supply. The switching power supply can work "one on and one off", and the switching tube is indispensable.
2. The power adapter fuse, the standard is 2.5A/250V. When the current in the circuit is too large, the fuse will blow to maintain other components, thereby protecting the safety of electricity.
3. The secondary filter capacitor plays a role in filtering out ripples in low-voltage direct current.
4. The filter capacitor is used to filter the AC ripple in the DC power and make the circuit work more reliable.
5. Varistor, its function is that when the external voltage is too high, the resistance of the varistor will quickly become very small, and the fuse in series with the varistor will be blown, thereby protecting other circuits from being burned out.
6. The main function of the inductance coil is to reduce electromagnetic interference.
7. PWMIC (integrated circuit), an important part of driving switch tube and voltage regulation.
8. The secondary rectifier tube, the function is to change low-voltage alternating current into low-voltage direct current
9. The temperature probe is used to explore the internal temperature of the power adapter. When the temperature is higher than a certain set value (different power adapters have slightly different temperature thresholds), the maintenance circuit will block the voltage output of the adapter , And then maintain the adapter from damage
These are the main electronic components used in the production of power adapters. As a long-established power supply manufacturer, the power adapter manufacturer has a stable and reliable raw material supplier and purchases high-quality components. Therefore, the quality of the power adapter produced is also guaranteed. If you need to purchase a power adapter, please consult us.
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