The power semiconductor market is slowing down, and reports show that Chinese companies are turning to 12-inch wafers and IGBT transistors

News from this site on November 28, according to the latest report released by TrendForce, against the background of the slowdown in the power semiconductor market, Mainland Chinese companies have sought breakthroughs in the fields of 12-inch wafers and IGBTs, and have achieved Brilliant results.

In the first half of 2023, the revenue growth rate of well-known Chinese wafer foundries such as SMIC, Hua Hong Semiconductor, Hefei Jinghe Integrated Circuit (Nexchip) and Shaoxing Semiconductor Manufacturing Co., Ltd. (SMEC) Slow down

Among them, only Huahong’s revenue increased slightly, while SMIC, Jinghe Integrated and SMIC Integrated’s revenue fell by 19.29% year-on-year respectively. , 50.43%, 24.08%. Due to the downturn in the consumer electronics, personal computer and communications markets, the overall performance of China's wafer fabs is entering a downward cycle.

Source: Shaoxing SMIC Integrated Circuit Manufacturing Co., Ltd.

In the first half of 2023, Huahong’s discrete device revenue The year-on-year growth was 33.04%, but the growth rate was lower than the same period in 2022.

The number of listed power semiconductor companies in the top ten with negative revenue growth increased from 1 to 4 in 2022, and the number of companies with negative net profit growth increased from 1 to 8.

Although overall growth has slowed, IGBT has become an important driving force for power semiconductors.

Companies such as Silan Micro and China Resources Micro have begun mass production of IGBTs, and their IGBT business is growing rapidly. In addition, Wingtech Technology is also entering the IGBT field. It is worth noting that as of January to July 2023, 17 IGBT projects have been launched or signed, with a cumulative investment of more than 15 billion yuan, showing the rapid expansion of Chinese companies in the IGBT field

China's major Power semiconductor manufacturers are transitioning from 8-inch wafers to 12-inch wafers. Huahong has implemented 12-inch production capacity, and the expansion of the Wuxi Phase II project is in progress. In June 2023, SMIC’s Phase III 12-inch special process silicon wafer production line will produce the first batch of 10,000 wafers. In the field of IDM, Wingtech Technology, Silan, China Resources Micro and other companies are actively building 12-inch wafer fabs, and part of the production capacity has been put into operation. Discrete devices generally refer to all basic circuit components with a single function, such as transistors. , diodes, resistors, capacitors, inductors, etc. Discrete devices in the narrow sense specifically refer to basic components of single-function circuits made of semiconductor materials that cannot be integrated into integrated circuits due to functional, volume, and technical constraints.

The insulated gate bipolar transistor (IGBT) is an ideal transistor for high voltage and high current applications. IGBTs have a rated voltage range of 400V to 2000V and a rated current range of 5A to 1000A. IGBTs are widely used in industrial applications (such as inverter systems and uninterruptible power supplies (UPS)), consumer applications (such as air conditioners and induction cookers), and automotive applications (such as electric vehicle (EV) motor controllers)

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