Yahoo Finance·2025-10-14 13:10Core Insights - Power Integrations Inc. (NASDAQ:POWI) experienced a significant stock surge of 24.57%, closing at $43.15, following its partnership announcement with Nvidia Corp. to enhance 800-volt direct current (VDC) data center systems for next-generation AI applications [1][4]. Group 1: Partnership and Market Impact - The partnership with Nvidia positions Power Integrations among over 20 companies contributing to the development of rack servers with open standards, aimed at supporting future gigawatt AI factories [5]. - The collaboration is expected to address rising power demands in data centers, with Power Integrations' 1250-volt and 1700-volt PowiGaN devices being highlighted as optimal solutions for main and auxiliary power supplies [4]. Group 2: Product Innovations - Power Integrations showcased its advanced 1,250-volt and 1,700-volt chips, which maintain energy efficiency above 98% while supporting Nvidia's high-power AI servers [2]. - The introduction of the InnoMux 2 EP chip provides a unique solution for auxiliary power supplies in 800 VDC data centers, capable of handling 1,000-VDC input voltage [3].