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Market application and development trend forecast of power semiconductors
Time：
2022-03-10 16:39
Recently, the good news of domestic power semiconductor manufacturers continues. Firstly, the Hexin high-end power semiconductor project invested by Foshan Hexin Semiconductor Co., Ltd. is fully put into production, mainly researching triode, MOSFET package test, thyristor, three-terminal regulator tube, high anti- Pressure switch triode, signal amplifier triode, integrated circuit, etc.; then the 12-inch power semiconductor wafer test piece of Chongqing Wanguo Semiconductor Technology Co., Ltd. has been successfully produced, and is expected to be mass-produced at the end of the year. It is reported that this is the first 12-inch semiconductor in Asia. chip.
Recently, the good news of domestic power semiconductor manufacturers continues. Firstly, the Hexin high-end power semiconductor project invested by Foshan Hexin Semiconductor Co., Ltd. is fully put into production, mainly researching triode, MOSFET package test, thyristor, three-terminal regulator tube, high anti- Pressure switch triode, signal amplifier triode, integrated circuit, etc.; then the 12-inch power semiconductor wafer test piece of Chongqing Wanguo Semiconductor Technology Co., Ltd. has been successfully produced, and is expected to be mass-produced at the end of the year. It is reported that this is the first 12-inch semiconductor in Asia. chip.
Power semiconductor devices, also called power electronics, function to handle high voltage and high current. IGBT and power MOSFET devices are currently the most widely used power electronic devices. As new power semiconductor devices, they are widely used in computers, communications, consumer electronics, automotive electronics and other fields.
Market application and development trend forecast of power semiconductors
Power semiconductor devices are core components that can be independently controlled by high-speed rail power systems, automotive power systems, consumer and communication electronic systems. In recent years, they have received strong support from the state. This article will mainly introduce IGBT and power MOSFET devices. The role and prospects of all walks of life.
IGBT application market and trend
IGBT is a composite full-control voltage-driven power semiconductor device composed of BJT and MOS. It has the advantages of high input impedance of MOSFET and low on-voltage drop of GTR. It is suitable for converter current with DC voltage of 600V and above. The system is such as AC motor, frequency converter, switching power supply, lighting circuit, traction drive and other fields. IGBT is the core device for energy conversion and transmission. It is widely used in rail transportation, smart grid, aerospace, electric vehicles and new energy equipment.
At present, global IGBT devices and modules are basically monopolized by companies such as Europe, the United States and Japan. Infineon, Mitsubishi, Fuji Electric, and Fairchild Semiconductor occupy 80% of the global market share.
Application of IGBT in electric steam
In electric vehicles, charging and energy conversion are the most common components. The role of IGBTs is the conversion of alternating current and direct current. At the same time, IGBT also bears the function of high and low voltage conversion. For example, when the car is externally charged, it is an alternating current. It is converted into direct current by the IGBT and then supplied to the battery. At the same time, the charging voltage is converted into an appropriate voltage to charge the battery pack. When the battery is discharged, the direct current is converted into an alternating current used by the alternating current motor by the IGBT. At the same time, the inverter control of the AC motor is realized.
The quality of the IGBT directly affects the release speed and charging performance of the electric vehicle, and is the most critical core component.
Market application and development trend forecast of power semiconductors
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