Core Viewpoint - The recent anti-dumping investigation initiated by China against U.S. analog chip imports may reshape the global market landscape, indicating escalating geopolitical tensions between China and the U.S. and accelerating domestic substitution of analog products [2]. Group 1: Investigation Details - The investigation began on September 13, 2025, following a complaint from the Jiangsu Semiconductor Industry Association [2]. - The focus of the investigation includes interface and gate driver chips, such as CAN and RS485 transceivers, which are widely used in automotive, industrial, and power electronics applications [2]. - The investigation is expected to last one year, with a possible six-month extension, assessing import conditions since 2024 and industry damage dating back to 2022 [3]. Group 2: Impact on Companies - Bernstein estimates the revenue exposure of major U.S. suppliers: TI at 11.4%, ADI at 7.8%, and Onsemi at 10.2%, with the Chinese market accounting for about 20% of revenue for TI and ADI [2]. - The investigation may have a limited impact on U.S. analog processor manufacturers, according to UBS analysts, who suggest that the effects on companies like Texas Instruments and ADI are expected to be minimal [3]. - Local companies such as Silergy, Novosense, 3Peak, SG Micro, and Joulwatt may benefit from this investigation, while U.S. firms face downside risks [3]. Group 3: Geopolitical Context - The investigation is seen as a response to recent U.S. trade restrictions on several Chinese companies, with the U.S. Commerce Department adding 32 entities to the trade restriction list, including 23 Chinese entities [4]. - The investigation may be similar to previous U.S. investigations into Chinese analog chip manufacturers, indicating a tit-for-tat dynamic in trade relations [4].