IS10.5 - 12kW Power Supply for AI Server and Data Center Applications with 113 W/in3 and grid shaping function

Wednesday, March 25, 2026

10:40 AM - 11:05 AM CT

Location: 205

Industry Session Presenter(s)

David Meneses

Infineon Technologies

Presentation

Co-Author(s)

ME

Manuel Escudero Rodriguez

Infineon Technologies Austria AG
MK

Matteo-Alessandro Kutschak

Infineon Technologies Austria AG
AM

Alex Mirtchev

Infineon Technologies Austria AG
TM

Theodoros Mouselinos

Infineon Technologies Austria AG
Antonello Laneve

Infineon Technologies Austria AG

This industry session will introduce a 12 kW – 50 V single-phase server power supply for artificial intelligence applications in data centers. The presented power supply utilizes an interleaved 3-level flying capacitor PFC and a full bridge LLC, with 355 kHz resonance frequency, to obtain a peak efficiency over 97.5%. The implemented energy buffer circuit is not only used during the 20 ms hold-up time, but also supports grid shaping function for the demanding load profiles of AI application. Furthermore, the reference design has a form factor of 40 mm x 68 mm x 640 mm (including chassis) to fit in 19” rack, for a total power density of 113 W/in3.