As AI data centers scale to unprecedented power densities, the ability to safely manage live insertion, protect expensive accelerator hardware, and maintain continuous uptime has become critical. Hotswap MOSFETs are a foundational element in these power architectures, yet their role is often underestimated or misunderstood. In high-current, high-voltage AI platforms, the hot swap MOSFET is no longer a generic switch, but a specialized device that directly impacts inrush control, fault response, thermal stress, and system reliability.
This presentation provides a practical overview of what defines a true hotswap MOSFET and why its requirements differ fundamentally from standard power MOSFETs in AI data center applications. Key design considerations, including safe operating area under long inrush events, transient stress during board insertion, interaction with hot swap controllers, thermal performance in dense layouts, and package selection, are examined in the context of modern GPU and accelerator power systems.
Through real-world design considerations and case-study comparisons, the talk illustrates how optimized hot swap MOSFET device enables higher reliability, improved protection of costly AI hardware, and more predictable behavior under worst-case conditions. The session concludes by showing how our hot swap MOSFET solution establishes a new benchmark for performance and robustness in AI data center power infrastructure.