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Renesas Electronics Corporation

Power & Timing System for AI Accelerator Card

Overview

Description

The rising demand for artificial intelligence (AI)-driven applications necessitates sophisticated power and timing systems. AI accelerator cards require intricate configurations, such as multiphase power supplies and multi-channel interfaces for PCIe clock generation and buffering. This system integrates high-efficiency power ICs that save PCB space and reduce heat, along with high‑performance clock generators supporting PCIe Gen 5/6.

System Benefits​:

  • Highly efficient power management reduces energy consumption and enhances system performance.
  • Precision timing ensures accurate and reliable AI processing with improved signal integrity.
  • Scalable system supports a wide range of AI workloads in cloud and enterprise environments.
  • Versatile fanout buffer provides up to 24 outputs, enabling flexible clock distribution and compatibility with LVPECL, LVDS, HCSL, or CMOS output types.

Comparison

Applications

Block Diagram

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4:3 ratioSheet.1Sheet.2Sheet.3Sheet.4cn310cn310CN310Sheet.25Sheet.26Accelerator CardsAccelerator CardsAccelerator CardsATX 12VATX 12VATX 12VBuck 3BuckBuckASICASICASICDigital PowerDigital PowerDigital Power SPSSPSSPSVersaClock 7-2VersaClock 7VersaClock 7Sheet.41Sheet.43Sheet.44Sheet.45Sheet.46Sheet.47Sheet.48Sheet.49Sheet.50Sheet.51Sheet.52Sheet.53Sheet.54Sheet.55Sheet.56Sheet.57Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62Buck 1BuckBuckBuck 2BuckBuckATX 12VATX 12VATX 12VLDOLDOLDOVersaClock 7-1VersaClock 7VersaClock 7PCIe BufferPCIe BufferPCIe BufferFPGAFPGAFPGACPUCPUCPUMotherboardMotherboardMotherboardSheet.16Sheet.17Sheet.18Sheet.19Sheet.20Sheet.21Sheet.22Sheet.23Sheet.27Sheet.28Sheet.29Sheet.30Sheet.31Sheet.32Sheet.33Sheet.63Sheet.681.8V/400mA1.8V/400mA1.8V/400mA3.3V/3Amax3.3V/3Amax3.3V/3Amax0.95V/3Amax0.95V/3Amax0.95V/3Amax1.2V/3Amax1.2V/3Amax1.2V/3Amax2.5V/3Amax2.5V/3Amax2.5V/3Amax3.3V/3Amax.753.3V/3Amax3.3V/3Amax100Mhz100Mhz100Mhz33.83Mhz33.83Mhz33.83Mhz156.25Mhz156.25Mhz156.25Mhz100 Mhz100 Mhz100Mhz 100 Mhz100 Mhz100Mhz 100 Mhz100Mhz100MhzPCIePCIePCIe 3.3V/3A3.3V/3A3.3V/3A1.2V/110A1.2V/110A1.2V/110A 0.9V/1800A0.9V/1800A0.9V/1800A 156.25 Mhz156.25 Mhz156.25 Mhz 33.33 Mhz33.33 Mhz33.33 Mhz 1.8V/3A1.8V/3A1.8V/3ASheet.89 100 Mhz100Mhz100Mhz PCIePCIePCIe
Exiting Interactive Block Diagram

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