TECHNOLOGY

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Power supply types classified by circuit structure

The circuit structure of the power supply is many, and the classification method is also different, and there are the following types of power supply

2023-04-04

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The problems of pulse electrolytic power supply need to be solved at present

Nowadays, pulse electrolytic power supply plays a very important role in the development of electrolytic machining, and the rapid development of modern power semiconductor devices has created new technical conditions for the development of pulse power supply. In order to realize the engineering and industrialization of new pulse power supply and be widely used in production, the stability and reliability of power supply should be solved and the efficiency of power supply should be improved. At the same time, the maximum pulse current capacity and pulse frequency should be further increased. Therefore, the following problems should be further studied and solved.

2023-04-04

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The origin of soft switching technology

In recent years, the primary factor contributing to the miniaturization of various electronic devices is the result of the high-density semiconductor integrated circuits, which are particularly dependent on miniaturized power supplies that can provide a stable supply of driving power to such electronic components. This type of power supply is still used switching power supply, but it is known that the effective way to miniaturize it is the high frequency of the switching frequency, and the current frequency standard has been increased from thousands of Hertz used in the early development to hundreds of kilohertz. Its volume is also reduced by more than one-tenth under the influence of this trend.

2023-04-04

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Integrated and modular development of switching power supply

Integrated switching power supply refers to the use of multilayer thick film substrate technology to integrate components, driving logic and related protection circuits into a chip to achieve the expected function. In the past 20 years, the integrated switching power supply has been developing in two directions: one is the integration of the control circuit of the switching power supply, such as pulse width modulation (PWM) chip, pulse frequency modulation (PFM) chip; One is the single chip integration of medium and small power switching power supply, such as the three-terminal isolated pulse width modulation single chip switching power supply TOPSwitch series chip developed by the United States PowerIntegration Company (PowerIntegrations) in the world.

2022-07-28

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What is soft-switching technology

With the emergence of soft switching technology, the high frequency of switching power supply has been realized, which can not only reduce the volume and weight of the power supply, but also improve the efficiency of the switching power supply.

2022-01-10

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