IGBT (Insulated Gate Bipolar Transistor), an insulated gate bipolar transistor, is a composite fully-controlled voltage-driven power semiconductor device composed of BJT (bipolar transistor) and MOS (insulated gate field effect transistor), with both The advantages of both high input impedance of MOSFET and low turn-on voltage drop of GTR.
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he production process and technology of silicon carbide (SiC) devices have become increasingly mature, and the biggest obstacle to market promotion is cost. This includes the cost of R&D and production costs as well as the drive capacitor resistance in the entire circuit after the SiC device is replaced by the IGBT. Unless the manufacturer pushes, it does reduce costs and improve performance. After all, adopting new things will cost a lot. Affected by manufacturing costs and product yield, the main reason for hindering the large-scale entry of SiC products into the market is that it is expensive, generally about 10 times that of similar Si products. Although in the future, with the improvement of technology and cost, the replacement of IGBT by silicon carbide (SiC) device is inevitable silicon carbide (SiC) device, and its performance may be very powerful, but it can become a big trend not only in performance but also in cost and reliability. Multiple guarantees on reliability.
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A push-pull circuit is also called a totem pole circuit. I don't understand how the name of the totem pole came from, but "push-pull" is more vivid.
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IGBT (Insulated Gate Bipolar Transistor) is a new type of composite device that combines the advantages of power field effect transistors and power transistors. It has both the high-speed switching and voltage drive characteristics of MOSFETs and the low saturation voltage of bipolar transistors. It has the advantages of high input impedance, fast working speed, good thermal stability and simple driving circuit, and has the advantages of low on-state voltage, high withstand voltage and large current.
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What Do You Know About Triode This time we expand the scope to NPN and PNP tubes, and give you some examples. The examples range from easy to difficult. If you can answer all of them, then you have a thorough understanding of triodes.
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