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瑞萨电子 (Renesas Electronics Corporation)

800V 至 48V DCX 系统

概述

描述

随着 AI 数据中心、可再生能源系统和工业设备的功率需求不断增长,高效配电和电源转换已成为关键的设计挑战。 高压 800V 架构可降低配电损耗并缩小电缆尺寸,但需要进行高效转换,以满足低压子系统的供电需求。

该系统采用 LLC 谐振 DCX(直流变压器)拓扑结构,可将 800V 直流总线高效转换为 48V 直流总线,同时提供电气隔离。 通过采用软开关技术和高频运行,该转换器可最大限度降低开关损耗、提高功率密度并实现高效率。 搭配先进的瑞萨电子电源管理解决方案和 GaN FET,该方案构建了一个紧凑、可靠且可扩展的功率转换平台,适用于下一代高功率设备。

系统优势:

  • 通过最大限度降低电源转换损耗,提高整体系统效率。
  • 通过提供电气隔离,提高安全性和系统可靠性。
  • 凭借高效率电源转换和更低的发热量,降低散热需求。
  • 采用紧凑型高性能转换器架构,提高机架功率密度。
  • 通过降低能耗和热管理开销,降低运营成本。

方框图

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远程测试该板卡

该板卡已上线云上实验室(Lab on the Cloud),使用我们的 PC 图形界面,无需实体板卡,便可在虚拟实验室中立即开始配置和测试设计。
WebConnector Line.5853Connector Line.5858WS227WS227WS227Connector LineConnector Line.5600Connector Line.5601Connector ArrowConnector Arrow.5604Connector Arrow.5606Connector Arrow.5607Connector Line.5608Capacitor Non-polarizedSheet.5610Sheet.5611Sheet.5612Sheet.5613Connector Line.5614Capacitor Non-polarized .5615Sheet.5616Sheet.5617Sheet.5618Sheet.5619Connector Line.5620Connector Line.5631Connector Line.5632Connector Line.5633Connector Line.5634Capacitor Non-polarized .5635Sheet.5636Sheet.5637Sheet.5638Sheet.5639Connector Line.5640Capacitor Non-polarized .5641Sheet.5642Sheet.5643Sheet.5644Sheet.5645Connector Line.5646Connector Line.5647Connected signals lineConnected signals line.5649Connected signals line.5650Connector Line.5651Connector Arrow.5654Connector Arrow.5655+
800V
-+ 800V -+800V-Connected signals line.5659Transformer Inductor Coreless (Air conductor)Sheet.5661Sheet.5662Sheet.5663Sheet.5664Sheet.5665Sheet.5666Sheet.5667Sheet.5668Sheet.5669Connector Line.5670Connector Line.5671Transformer Inductor Coreless (Air conductor).5672Sheet.5673Sheet.5674Sheet.5675Sheet.5676Sheet.5677Sheet.5678Sheet.5679Sheet.5680Sheet.5681Connector Line.5682Transformer Inductor Coreless (Air conductor).5683Sheet.5684Sheet.5685Sheet.5686Sheet.5687Sheet.5688Sheet.5689Sheet.5690Sheet.5691Sheet.5692Connected signals line.5693Connector Line.5694Transformer Inductor Coreless (Air conductor).5695Sheet.5696Sheet.5697Sheet.5698Sheet.5699Sheet.5700Sheet.5701Sheet.5702Sheet.5703Sheet.5704Connector Line.5705Connector Line.5706Connected signals line.5707Transformer Inductor Coreless (Air conductor).5708Sheet.5709Sheet.5710Sheet.5711Sheet.5712Sheet.5713Sheet.5714Sheet.5715Sheet.5716Sheet.5717Connector Line.5718Connected signals line.5719Transformer Inductor Coreless (Air conductor).5720Sheet.5721Sheet.5722Sheet.5723Sheet.5724Sheet.5725Sheet.5726Sheet.5727Sheet.5728Sheet.5729Connector Line.5731Transformer Inductor Coreless (Air conductor).5732Sheet.5733Sheet.5734Sheet.5735Sheet.5736Sheet.5737Sheet.5738Sheet.5739Sheet.5740Sheet.5741Connector Line.5742Connector Line.5743Connector Line.5744Transformer Inductor Coreless (Air conductor).5745Sheet.5746Sheet.5747Sheet.5748Sheet.5749Sheet.5750Sheet.5751Sheet.5752Sheet.5753Sheet.5754Connector Line.5755Connector Line.5756Connector Line.5757Connector Line.5758Connector Line.5759Connector Arrow.5772Connector Arrow.5773Connector Arrow.5774Connector Arrow.5776Connector Line.5777Connector Line.5778Connector Line.5779Connector Line.5780Connector Arrow.5781Connector Arrow.5782Connector Line.5783Connector Arrow.5785Connector Arrow.5786Connector Arrow.5787Connected signals arrowConnector Arrow.5790Connected signals arrow.5791Transformer Inductor Coreless (Air conductor).5792Sheet.5793Sheet.5794Sheet.5795Sheet.5796Sheet.5797Sheet.5798Sheet.5799Sheet.5800Sheet.5801Connector Line.5802Connector Line.5803Connected signals line.5804Connected signals line.5805Connected signals line.5806Connected signals line.5807Connected signals line.5808Connected signals line.5809Connector Arrow.5822Connector Arrow.5823Connector Arrow.5824Connector Arrow.5825Connector Arrow.5826Connector Arrow.5827Connector Arrow.5828Connector Arrow.5829Connector Line.5830Connector Line.5831Connector Line.5832Connector Line.5833Connector Line.5834Connector Line.5835Connected signals line.5836Connected signals line.5837Connector Line.5838Connected signals line.5839Connector Line.5840Connected signals line.5841Connector Line.5842Connected signals line.5843Connected signals line.5844Connected signals line.5846Connected signals line.5847Connected signals arrow.5851Connected signals arrow.5852Horizontal Wire BundleCommunication Lines B.795666Connector Arrow.5859Connected signals arrow.5860Vertical Wire Bundle444Sheet.5863Connector Arrow.5864Connected signals line.5865Connected signals arrow.5866Transformer Inductor Coreless (Air conductor).5867Sheet.5868Sheet.5869Sheet.5870Sheet.5871Sheet.5872Sheet.5873Sheet.5874Sheet.5875Sheet.5876Connected signals line.5877Connected signals line.5878Connected signals line.5879Connected signals line.5880Connected signals line.5881Connected signals line.5882Connected signals line.5883Connected signals line.5884Connector Arrow.5885Connector Arrow.5886+
48V
-+ 48V -+48V-Connector Arrow.58893.3Vin3.3Vin3.3VinConnector 2HV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV GaN FETHV Gate DriverHV Gate DriverHV Gate DriverHV Gate DriverHV Gate DriverHV Gate DriverLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV GaN FETLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverLV Gate DriverConnector 1.160Sheet.5893MCUMCUMCUPWMPWMPWMPWMPWMPWMVddVddVddConnector 1.160.5895Connector 1.160.5896Capacitor Non-polarized .5897Sheet.5898Sheet.5899Sheet.5900Sheet.5901Connector Line.5917Capacitor Non-polarized .5918Sheet.5919Sheet.5920Sheet.5921Sheet.5922Connector 1.160.5925Connector 1.160.5926Connector 1.160.5927Connector 1.160.5928
Exiting Interactive Block Diagram

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