At Nvidia GTC 2026, chipmakers, including Navitas, STMicroelectronics, and Texas Instruments, have announced several new power products to support Nvidia’s 800-VDC power architecture reference design for next-generation AI factories . With rising power requirements from data-intensive AI workloads, the emerging 800-VDC architecture will help improve efficiency and cut power losses, while reducing system complexity and cost . While many power semiconductor companies have developed 50-V architectures, this year’s focus is on developing next-generation 12-V and 6-V architectures to improve power efficiency and power density . However, the 50-V, 12-V, and 6-V intermediate DC buses will all coexist in AI data centers, said STMicroelectronics, depending on rack density, GPU configuration, and cooling strategy .