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
Off-line Front End
The Vicor family of off-line front ends interface any 300VIN
In addition, front ends provide conducted EMI/RFI filtering to FCC/VDE (Class B single-phase, Class A three-phase), transient surge protection, active inrush, a BUS OK status output (suitable for controlling Vicor
Power System Designer
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Output
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Single-phase features and benefits
Single-phase features and benefits
FCC/VDE Class B
20 – 50mS hold up
BUS OK, AC OK, DC OK status signal
PC and chassis mount
Three-Phase Features and Benefits
Three-phase features and benefits
FCC/VDE Class A
20 - 50mS hold up
BUS OK, AC OK, DC OK Status Signal
Chassis mount
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%
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