1.6kW LLC Resonant AC-DC Converter for Servers

In order to reduce power consumption in data centers, the bus voltage of servers is increasingly changing to 48V.
This is the AC-DC converter for 48V servers. Equipped with Toshiba's latest generation of power MOSFETs and SiC diodes, it outputs 54.5V DC with high efficiency from 100V to 200V AC input.
This reference design provides explanations of the design points, usage methods, and adjustment methods of each part of the circuit, as well as design information including circuit diagrams, board patterns, etc. which can be useful for your design.

Board Appearance

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特性

  • 80 PLUS Titanium-class high efficiency (at Vin = 230V) in 1U size
  • Conversion efficiency: 96.7% (at Vin = 230V, 100% Load)
  • Outline size: 317mm x 145mm x 43mm (including metal plate at the bottom of the board)
  • Equipped with latest generation power devices (MOSFETs, SiC diodes)

說明

Input voltage AC 90V to 264V
Output voltage DC 54.5V
Output power 0.8kW (at 100V input), 1.6kW (at 200V input)
Circuit topology Active Bridge + Interleaved PFC + 3-phase LLC + Synchronous Rectifier, Output ORing Circuit
Efficiency Curve

設計文件

供設計人員使用的材料，例如電路操作概述和設計注意事項的解釋。請點擊每個選項以查看內容。

設計數據

提供可載入到EDA工具中的電路資料、PCB佈局資料以及PCB製造中使用的資料。來自多個工具供應商的可用格式。您可以使用喜歡的工具來自由的編輯它。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Power MOSFET (N-ch 500V<VDSS≤700V) Active Bridge Circuit・4 N-ch MOSFET, 600 V, 0.024 Ω@10V, TO-247, DTMOSⅥ
Power MOSFET (N-ch 500V<VDSS≤700V) PFC Circuit・2 N-ch MOSFET, 600 V, 0.08 Ω@10V, TO-247, DTMOSⅥ
Power MOSFET (N-ch 500V<VDSS≤700V) Primary Side of LLC Resonant DC-DC Converter Circuit・6 N-ch MOSFET, 600 V, 0.125 Ω@10V, TO-220SIS, DTMOSⅥ
Power MOSFET (N-ch single 60V<VDSS≤150V) Primary Side of LLC Resonant DC-DC Converter Circuit・6, Oring Circuit・1 N-ch MOSFET, 80 V, 0.00243 Ω@10V, SOP Advance, U-MOSⅩ-H
SiC Schottky barrier diode PFC Circuit・2 650 V/8 A SiC Schottky Barrier Diode, TO-220-2L
TX03 3-Phase Control Signals Generator of LLC Resonant DC-DC Converter・1

相關文件

我們提供有助於設計和考慮類似電路的材料，例如已安裝產品的應用說明。請點擊每個選項以查看內容。

應用

Server
Such as low power consumption and miniaturization are important in designing server. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, motor driving unit, over temperature monitoring unit, etc., along with circuit configuration examples.
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