AI accelerator cards

Full low voltage DC-DC processor power solutions for AI accelerator cards

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Overview

Infineon's low voltage DC-DC processor power solutions for AI accelerator cards provide benefits such as exceptional power conversion efficiency, fast transient response, accurate telemetry reporting, and industry-leading power performance. These advantages contribute to enhanced system performance, energy efficiency, cost savings, and optimal utilization of resources, even under complex AI workloads.

Benefits

  • Highest power conversion efficiency
  • Superior transient performance
  • Most accurate telemetry reporting
  • Lower capacitor count with TLVR
  • Long-term reliability
  • Space saving
  • Industry-best power performance
  • Reduce TCO

Block diagram

About

About AI accelerator card low voltage DC-DC processor power solutions

The AI accelerator card is a hardware component designed to accelerate complex generative AI workloads and deliver computational performance at exceptional speed and efficiency.

Infineon provides a full-power solution for AI accelerator card applications. We combine 48 V power distribution solutions with best-in-class common footprint XDP™ digital multiphase controllers, OptiMOS high density dual-phase power modules, and OptiMOS™ power stages in the trans-inductor voltage regulator (TLVR) topologies to provide industry-leading power performance to high-current SoCs or AI chips by reducing output capacitance, cost, and saving PCB space.

Explore 48 V power distribution offering
Solving PDN problems in multiphase LV DC-DC processor power applications with TLVR

The power delivery network (PDN) plays a critical role in meeting the deviation specification in applications requiring multiphase buck converters with high di/dt load steps while having stringent output voltage deviation specifications. Rather than physically moving the multiphase VR close to the load, TLVR is an alternative method that employs transformers with a 1:1 turn ratio in place of the traditional power inductors. There are various advantages of such an architecture and almost no downsides. Download the application note or watch our summary video to find out how the Infineon TLVR solution mitigates the shortcomings of the PDN in multiphase voltage regulation applications and the advantages it brings to a multiphase VR application requiring currents of 200 A to 1000 A with high-dynamic content.

Highest current density dual-phase power modules

Infineon is addressing the escalating power requirements of generative AI factories with its second-generation DC-DC power modules: the TDM2354xD and TDM2354xT OptiMOS dual-phase power modules. These 160 A modules are designed for vertical power delivery (VPD) and set a new standard for the industry with their exceptional current density, electrical, and thermal efficiencies.


Compact and efficient design

The TDM2354xD and TDM2354xT OptiMOS dual-phase power modules feature a highly integrated design, combining two OptiMOS 6 power stages, inductors, and capacitors on a single substrate. This innovative approach enables the deployment of two phases of a multiphase buck regulator in a significantly reduced footprint – 40% smaller than equivalent discrete solutions. By minimizing the area required for power delivery, these modules help optimize the overall design and efficiency of AI systems.


Proprietary design for enhanced performance

Infineon's dual-phase power modules incorporate a proprietary inductor-on-top design, which provides improved thermal and electrical performance. This design enables superior energy efficiency in AI factory applications, making it an ideal solution for data centers and other high-performance computing environments.


High-Performance Power Modules for AI Data Centers

Infineon's OptiMOS™ TDM2454xx quad-phase power modules are designed to meet the high power demands of AI data centers, offering a peak current of 280 A. These modules boast the industry's best power density of 2.0 A/mm2, enabling true vertical power delivery (VPD) in a compact 10x9x5 mm package.


The TDM2454xx modules feature industry-leading power density, proprietary magnetics for low-profile VPD, and a footprint optimized for tiling arrays of modules. They also utilize Infineon's robust OptiMOS 6 trench technology and chip-embedded package, providing enhanced electrical and thermal efficiencies.

Explore OptiMOS™ high density dual- and quad-phase

About AI accelerator card low voltage DC-DC processor power solutions

The AI accelerator card is a hardware component designed to accelerate complex generative AI workloads and deliver computational performance at exceptional speed and efficiency.

Infineon provides a full-power solution for AI accelerator card applications. We combine 48 V power distribution solutions with best-in-class common footprint XDP™ digital multiphase controllers, OptiMOS high density dual-phase power modules, and OptiMOS™ power stages in the trans-inductor voltage regulator (TLVR) topologies to provide industry-leading power performance to high-current SoCs or AI chips by reducing output capacitance, cost, and saving PCB space.

Explore 48 V power distribution offering

Solving PDN problems in multiphase LV DC-DC processor power applications with TLVR

The power delivery network (PDN) plays a critical role in meeting the deviation specification in applications requiring multiphase buck converters with high di/dt load steps while having stringent output voltage deviation specifications. Rather than physically moving the multiphase VR close to the load, TLVR is an alternative method that employs transformers with a 1:1 turn ratio in place of the traditional power inductors. There are various advantages of such an architecture and almost no downsides. Download the application note or watch our summary video to find out how the Infineon TLVR solution mitigates the shortcomings of the PDN in multiphase voltage regulation applications and the advantages it brings to a multiphase VR application requiring currents of 200 A to 1000 A with high-dynamic content.

Highest current density dual-phase power modules

Infineon is addressing the escalating power requirements of generative AI factories with its second-generation DC-DC power modules: the TDM2354xD and TDM2354xT OptiMOS dual-phase power modules. These 160 A modules are designed for vertical power delivery (VPD) and set a new standard for the industry with their exceptional current density, electrical, and thermal efficiencies.


Compact and efficient design

The TDM2354xD and TDM2354xT OptiMOS dual-phase power modules feature a highly integrated design, combining two OptiMOS 6 power stages, inductors, and capacitors on a single substrate. This innovative approach enables the deployment of two phases of a multiphase buck regulator in a significantly reduced footprint – 40% smaller than equivalent discrete solutions. By minimizing the area required for power delivery, these modules help optimize the overall design and efficiency of AI systems.


Proprietary design for enhanced performance

Infineon's dual-phase power modules incorporate a proprietary inductor-on-top design, which provides improved thermal and electrical performance. This design enables superior energy efficiency in AI factory applications, making it an ideal solution for data centers and other high-performance computing environments.


High-Performance Power Modules for AI Data Centers

Infineon's OptiMOS™ TDM2454xx quad-phase power modules are designed to meet the high power demands of AI data centers, offering a peak current of 280 A. These modules boast the industry's best power density of 2.0 A/mm2, enabling true vertical power delivery (VPD) in a compact 10x9x5 mm package.


The TDM2454xx modules feature industry-leading power density, proprietary magnetics for low-profile VPD, and a footprint optimized for tiling arrays of modules. They also utilize Infineon's robust OptiMOS 6 trench technology and chip-embedded package, providing enhanced electrical and thermal efficiencies.

Explore OptiMOS™ high density dual- and quad-phase

Documents

Documents

Design resources

Developer community

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