功率半导体行业深度：发展历程、竞争格局、产业链及相关公司深度梳理

Industry Overview - Power semiconductors are the core components for power conversion and circuit control in electronic devices, widely used in industries such as new energy, rail transit, smart grids, and variable-frequency home appliances [2][3] - The global power semiconductor market has shown steady growth, increasing from $44.1 billion in 2017 to$48.1 billion in 2022, with a projected market size of $50.3 billion in 2023 [25] - China's power semiconductor market grew to 1368.86 billion yuan in 2022, a 4.4% increase, and is expected to reach 1519.36 billion yuan in 2023 [26] Market Structure and Key Products - MOSFET and IGBT dominate the power semiconductor market, accounting for 70% of the market share [15] - MOSFET is suitable for high-frequency applications, while IGBT is ideal for high-voltage and high-current scenarios [11] - Power ICs account for over 50% of the power semiconductor market, with MOSFET, IGBT, and diodes making up 90% of the power discrete device market [29] Competitive Landscape - The global power semiconductor market is highly concentrated, with major players like Infineon, Texas Instruments, and ON Semiconductor dominating the market [40] - Infineon holds a 13.5% market share, leading in both MOSFET and IGBT markets [40] - China's power semiconductor market is fragmented, with domestic companies rapidly growing but still lagging behind international giants [44] Technological Evolution - Power semiconductor technology has evolved from diodes and thyristors to MOSFET and IGBT, with continuous improvements in performance and integration [15][18] - Wide-bandgap materials like SiC and GaN are emerging as superior alternatives to traditional silicon-based power devices, offering better performance in high-voltage and high-frequency applications [22] - SiC devices are expected to replace IGBT in high-voltage applications, while GaN is more suitable for high-frequency scenarios [22] Key Companies New Jiejie - New Jiejie is a leading domestic MOSFET and IGBT manufacturer, with a comprehensive product portfolio covering 12V to 1700V [62] - The company has established strategic partnerships with major foundries like Huahong Grace and packaging companies like ASE and JCET [63] - In 2023, New Jiejie's trench MOSFET and shielded-gate MOSFET contributed 68% of total revenue, with super-junction MOSFET accounting for 12.52% [64] China Resources Microelectronics - China Resources Microelectronics is an IDM company with a full industry chain, including chip design, wafer manufacturing, and packaging [70] - The company focuses on power semiconductors, smart sensors, and control products, with major subsidiaries like Huajing and Chongqing Huami [71] - From 2018 to 2023, the company's revenue CAGR was 9.56%, with a net profit CAGR of 28.06% [75] Jiejie Microelectronics - Jiejie Microelectronics specializes in power semiconductor devices, including thyristors, diodes, MOSFETs, and IGBTs [80] - The company is expanding its product portfolio with SiC and GaN devices, targeting applications in new energy vehicles, photovoltaics, and wind power [80] - Jiejie Microelectronics is advancing its 6-inch wafer and power semiconductor packaging projects, aiming for an annual production capacity of 100 million wafers and 10 billion packaged devices [82] Dongwei Semiconductor - Dongwei Semiconductor focuses on high-power applications, with a product portfolio including high-voltage super-junction MOSFETs, IGBTs, and SiC devices [83] - The company has made significant progress in SiC MOSFET development, with products validated by customers and entering small-scale production [84] - Dongwei Semiconductor is expanding its presence in the European market, with products shipped to industries like electric vehicles, industrial power, and home appliances [84]