Automotive semiconductors can be divided into five categories, namely, power devices (Power), sensors (Sensor), processors (Processor), ASSPs (mainly Connectivity and Amplifier), Logic and others. The most used semiconductor products in automobiles are sensors, MCUs and power semiconductors. Among them, MCU accounts for a high proportion, followed by power semiconductors, which are mainly used in power control systems, lighting systems, fuel injection, and chassis safety systems.
Compared with silicon semiconductors, compound semiconductors have excellent performance such as high frequency and high power, and are irreplaceable core technologies for future 5G communications. The Chinese market is a large mobile communications market, and 5G communications will soon be commercially available. It is expected to rely on new market opportunities to enhance the competitiveness of the compound semiconductor industry. The development of domestic compound semiconductors and 5G communication chips is facing a rare window period, with both opportunities and challenges.
A substance (such as silicon or germanium) that lies between a conductor and a non-conductor, so that its conductivity lies between a metal and an insulator and increases with temperature. Semiconductor materials that are moderately to highly resistive (depending on the substance doped at the time of manufacture).
In terms of manufacturing maturity, Qorvo has shipped more than 2.6 million GaN devices since 2008, 170,000 of which are used in radar applications. Qorvo's GaN products have each achieved the U.S. Department of Defense's Manufacturing Maturity Assessment (MRL) Level 9.
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