Industry Trends

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What are the functions of IGBT module?

Updated: 2022-03-17
Views: 6279

IGBT power module is driven by IC, various drive protection circuits, high-performance IGBT chip and new packaging technology. It has developed from composite power module PIM to intelligent power module IPM, power electronics building block PEBB and power module IPEM. PIM is developing in the direction of high voltage……

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The basic working principle of thyristor and its application in the lighting device

Updated: 2022-03-17
Views: 6142

Reversely connected. Its function is not only rectifier, but also the rapid connection or cutting of the non -contact switch, realizing the inverter of the DC power into AC power, turning the AC electricity of one frequency into another frequency AC power, and so on. Like other semiconductor devices, it has the advanta……

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Why can't SIC devices replace IGBT?

Updated: 2022-03-17
Views: 6313

Why can't SIC devices replace IGBT? The production process and technologies of silicon carbide (SIC) devices are becoming increasingly mature. The biggest obstacle to marketing is the cost. Including research and development and production costs, and the cost of driving capacitance resistance in the entire circuit afte……

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What are the commonly used IGBT buffer circuits?

Updated: 2022-03-17
Views: 6130

What are the commonly used IGBT buffer circuits? Because the electrical electronic devices have four working status: ON, ON, Turbus, and OFF, the OFF and ON status are supported by high voltage and large current respectively. Streaming, excessive DI/DT, DU/DT and excessive instantaneous power. Therefore, in order to pr……

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How to use a multimeter to detect thyroid control

Updated: 2022-03-17
Views: 6301

How to use a multimeter to detect thyristor with thyristor of thyristor, one -way thyristor and two -way thyristor, all have three electrodes. One -way thyristor rectifier has cathode (K), anode (A), control pole (G). Two -way thyristor is equivalent to two single -thyroid reverse parallel parallel. That is, one unidir……

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Semiconductor triode parameter symbol and meaning

Updated: 2022-03-17
Views: 5963

The semiconductor triode parameter symbol and its significance If the total current seductive coefficient β \\u003d IC/IB \\u003d 100 is emitted, the collector current IC \\u003d β*IB \\u003d 10mA. When the collector load resistance is 500Ω, the voltage drops VRC \\u003d 10mA*500Ω \\u003d 5V, and the voltage drop betwe……

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Precautions for Module Selection-Direction angle requirements

Updated: 2022-03-17
Views: 6305

Precautions for module selection-Direction angle requires that the module outputs a large current when the module (that is, the module high input voltage, low output voltage) output, which will cause the module to be severely heated or even burned. This is because the current value measured with a normal instrument und……

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Three main reasons for threading threaded

Updated: 2022-03-17
Views: 6377

Three main reasons for thyristor breakdown 1. Overdrawing: Over -crushing breakdown is one of the main reasons for thyristor breakdown. The thyristor has almost no time to withstand the voltage, even if the voltage is performed within a few milliseconds. Therefore, in the actual application circuit, the ends of the sil……

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Module protection-overheating protection

Updated: 2022-03-17
Views: 6102

Module protection-overheating protection heat dissipation is an important factor that affects whether the module can work safely. Good heat dissipation conditions can not only ensure the reliable operation of the module, prevent the module from overheating, and improve the current output capacity of the module. In the ……

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Publish heavy! Lichuang EDA professional version full offline client!

Updated: 2022-03-17
Views: 6324

I believe at this moment, you and I have been waiting for too long. After several versions of public beta, you finally released the official version of the professional version of the client! Of course, it is still "free"! Lichuang EDA will implement the free domestic PCB design tools to the end, and determines to prov……

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Module protection-over-pressure protection

Updated: 2022-03-17
Views: 6025

Module protection-overvoltage protection of the transmission of the crystal tube is extremely poor. When the reverse voltage of the component exceeds its reverse breakdown voltage, even if the time is short, the component will be damaged by reverse breakdown. If the DC voltage exceeds the positive direction voltage of ……

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The technical solution of constant current constant pressure uses the crystal tube control module

Updated: 2022-03-17
Views: 6146

Testing is more convenient. The following is a common problem for the first time, which may be inspired by you. The module has no current or voltage output when regulating a given signal, but the given signal and the 12V power supply applied are normal. Processing: You need to reset the module. When the constant voltag……

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