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How is the negative voltage commonly used in single -chip microcomputer generated?

Updated: 2022-03-17
Views: 8352

The principle of negative voltage generation circuit diagram often needs negative voltage in electronic circuits. For example, when we use op amp, we often need to establish a negative voltage. The following is simply taking a positive 5V voltage to a negative voltage 5V as an example to talk about its circuit. General……

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The reliability and application of the SIC power device of Zhanxin Core Electronic Analysis

Updated: 2022-03-17
Views: 7236

The advantages can better meet the development requirements of future power and electronic technology. After three years of in -depth research and development and hard work, Shanghai Zhanzhan Electronics has become the first company in China to master the 6 -inch SIC MOSFET and SBD technology, as well as SIC MOSFET dri……

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The strongest chip industry chain science, chip independent controllable in -depth analysis (1)

Updated: 2022-03-17
Views: 7576

If someone tells you, "Hi, the chip I made is 100%autonomous and controllable!" Wait, you will not rush to worship (believe) him, please read this article ... First of all, what is autonomous autonomy? The controlled and most intuitive understanding is that when others are "stuck\\ The integrated circuit industry is us……

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The strongest chip industry chain science, chip independent controllable in -depth analysis (2)

Updated: 2022-03-17
Views: 8917

The strongest chip industry chain science is connected, and the chip autonomous controllable in -depth analysis (1) The etching of the etching machine is the process of removing unnecessary materials on the wafer surface. The etching process is located after the light carvings. The light carvings use the light to copy ……

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The cold thinking behind the "gimmick theory"

Updated: 2022-03-17
Views: 8365

Recently, the article from Professor Chen Yongzhen of Liaoning University of Technology, "Nitride 镓 FET use electrolytic capacitors is just a gimmick?" Small, when the manufacturing process has no essential changes, its parasitic inductance cannot be significantly reduced, and it has an inductive characteristics at a h……

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MOSFET gate drive circuit, how many have you used?

Updated: 2022-03-17
Views: 8970

Have you ever used the four common MOS grille drive circuits today? 1. The direct drive of the IC direct drive type is the most common and simplest driver. Figure 1 IC directly drives the MOS gate to use this method. We should pay attention to several parameters and its influence. First check the power IC manual to und……

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Minimal electronics, simplified to collapse

Updated: 2022-03-17
Views: 8365

We need to convert AC power into DC power, such as mobile phone chargers. Sometimes, we need to convert DC power transitions. For example, the uninterrupted power supply of the data center. Sometimes, we need to increase or decrease the voltage of DC power. Many booster circuits

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The shipment exceeds 600 million pieces, GD32 MCU empower motor driver intelligent solution

Updated: 2022-03-17
Views: 7044

Happy report! GD32 MCU's cumulative shipments officially exceeded 600 million! I still remember that at the end of 2020, we officially announced the good news of "500 million shipments". In just a few months, the GD32 MCU reached a "small goal" of 100 million new shipments, which became the environmental lack of produc……

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New darling of car electronics, a new step into the motor drive IC TB9120Aftg

Updated: 2022-03-17
Views: 9615

Car is an important transportation. With the improvement of living standards, more and more people choose to buy cars. Among the top ten of the world's top 500 lists, 8 seats related to automobiles and energy -related companies are enough to see the pivotal position of the automotive industry in the market. With the im……

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What is the IGBT turnover process? (Lecture 1)

Updated: 2022-03-17
Views: 9882

The IGBT may not be familiar with the IGBT. The full name of the insulated grid bipolar transistor (Insulated Gate Bipolar Transistor) is a composite full -control of MOS (insulating grid field effect tube) and BJT (bipolar crystal tube) The "CPU\\ , Industrial Energy Conservation, Electric Vehicles and New Energy Equi……

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Research Statue of High -Conducting Silic Nitrogen Ceramics Lifth

Updated: 2022-03-17
Views: 7703

At present, there is still a gap between commercial high -conducting SI3N4 ceramic substrates in my country. Therefore, the development of high-heat-conducting SI3N4 ceramic substrates will definitely promote the development of my country's IGBT (Insula-Ted Gate Bipolar Transistor) technology, which will make breakthro……

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1000W High-power density AC/DC case switch power supply, solve the demand for high-power market-LMF1000-20BXX series

Updated: 2022-03-17
Views: 7616

Scenes have different needs for power. This series has the characteristics of small volume (190*127*40.5mm), high power density, intelligent risk control, can be connected in parallel power to meet the standards of IEC/UL/EN62368, GB4943, IEC/ES/EN60601, etc.

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