E1程文涛英飞凌科技英飞凌为AI数据中心提供先进的高能效电源解决方案.pdf

1、1英飞凌为英飞凌为AI数据中心提供先进的高能效电源解决方案数据中心提供先进的高能效电源解决方案Aug 20242Copyright Infineon Technologies AG 2024.All rights reserved.Aug 2024restrictedAI Server PSU Trend&Requirements 13Infineon CoolGaNTMPowers Next-Generation AI Server SMPS29Reference Designs317Key takeaways420Table of contents3Copyright Infineon T

2、echnologies AG 2024.All rights reserved.Aug 2024restrictedAI Server PSU Trend&Requirements 13Infineon CoolGaNTMPowers Next-Generation AI Server SMPS27Reference Designs316Key takeaways418Table of contents4Copyright Infineon Technologies AG 2024.All rights reserved.Aug 2024restricted201220285002008201

3、42022201020162018202020242026203001.0001.5002.000Server CPUsAI systems demand higher power that further increases semiconductor content50%AI GPU/TPURelease dateAI Training GPU/TPUUnit CAGR1 40%Avg.BOM CAGR1 10%Semiconductor SAM CAGR1Source:Company information;Infineon analysis 1CAGR 2023-2027 in Inf

4、ineon relevant market 2Incl.AI inference 15%Other ServersUnit CAGR1,2 6%BOM CAGR1,2 300kHz=98.5%Natural current sharing=98.5%Highest densitySiC400V SiCSiGaNPFCDC-DCSiGaNSiSiSiSiSiGaNGaNSiCGaNSiCGaN13Copyright Infineon Technologies AG 2024.All rights reserved.Aug 2024restrictedGen 1/2 AI PSU:1-ph 277

5、 Vac or 347 Vac to extend power to 5.5 kW and 8kWPSU Block DiagramSchematic of Power TopologySiCGaNSiPSU Block DiagramSchematic of Power TopologySiGaNSiGaNSi SiC for CCM TP PFC,GaN for LLC GaN for TCM TP PFC,GaN for LLC14Copyright Infineon Technologies AG 2024.All rights reserved.Aug 2024restricted8

6、60V380VGen 3 AI PSU:3-Ph 480Vac architecture and 380V distribution for 22kWPSU Block DiagramSchematic of Power Topology380V430V430V2x2xVienna PFC+FB LLCGaNGaNGaNBDSSiCN3-ph Vienna22kW48VN430V430V380V4x 5.5kW FB LLC3x 7.7kW 3-L LLCFB LLC1.8kW x 12 setsPSU on power shelfBus converter on server boardBu