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Date / Time	Speakers	Topic
Tuesday, March 22, 2022 9:10 AM – 9:30 AM Location: 361ABC	Roy Hou Jimmy Liu Lucas Lu	Thermal Design Considerations for GaN-Based Power Adapters with Multi-Heat Sources GaN transistors have paved the way to enable high power density and high efficiency in AC adapters. As power density increases and size reduces, more attention to thermal management across the components inside the adapter increases. This paper presents some general design rules for the thermal management of GaN-based AC adapters. Moreover, a mutual thermal resistance study is conducted to isolate the impact of heat sources on GaN. This enables the designers to prioritize the thermal optimization based on the contribution of each heat source. These analyses are conducted using finite element method (FEM).