Powering AI processors – 48V vertical power delivery changes the game
AI models demand huge current, driving legacy multiphase designs past 50 phases—causing space, thermal, and control limits Vicor addresses
DC-DC converters that provide all the necessary performance and features to create smaller, lighter and less costly power systems
The Vicor DCM3623T75H53 is an isolated, regulated DC-DC converter module operating from an unregulated, wide input voltage range from 36 to 75V to generate an isolated 48V DC nominal output. This module leverages the thermal and density benefits of Vicor ChiP packaging technology, allowing customers to achieve cost effective power solutions with previously unattainable system size, weight and efficiency characteristics. With its high-frequency zero-voltage switching topology, this module delivers high efficiencies across its entire input voltage range. With a peak efficiency of 92.5 percent and a maximum power density of 818W/in3, this DCM provides superior power system performance from a variety of unregulated power sources to the point-of-load.
Resources
Resources for the design engineer
Innovative 48V AI power architecture delivers both high current density and high current gain
Vicor 48V Factorized Power Architecture slashes thermal losses and delivers high current density to meet the extreme power demands of AI processors
48V Factorized Power Architecture™ slashes thermal losses and outperforms multiphase approach when powering AI
AI hardware faces severe power and cooling limits. Engineers debate 48V vs. 6V intermediate buses alongside new vertical power delivery (VPD) structures
Betterfrost: Putting on the heat
Betterfrost uses a 48V module for pulsed, conductive glass heating, clearing ice in under 80 seconds while cutting start-up defrost energy by 95%