1 kW Full-Bridge DC-DC Converter

This reference design provides design guide, data and other contents of 1 kW server power supply using phase shifetd full-bridge DC-DC converter.

Exterior photo of 1 kW full-bridge DC-DC converter.
TPH2R408QM TPH2R408QM TPH2R408QM TPH2R408QM TPH1500CNH TPH1500CNH TPH1500CNH TPH1500CNH TLP2370 TLP291(SE

特性

  • High efficiency and high power power supply
  • Total efficiency：94.7 % (Vin = -54 V at 100 % load)
  • Outline size：207 mm x 120 mm x 45 mm
  • Provides appropriate power devices (MOSFET) and photocouplers totally

說明

Input voltage DC -36 to -60 V
Output voltage DC 54 V
Output power 1 kW
Circuit topology Phase-Shifetd Full-Bridge ＋ Synchronous Rectification
Efficiency curve of 1 kW full-bridge DC-DC converter.
Efficiency Curves

設計文件

設計・文件 包含以下文件。

設計數據

設計數據包含以下內容。

*1:實際PCB在CR5000BD上設計。其他文件由CR5000BD文件生成。

*2:數據在CR5000BD上生成。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Photocoupler (photo-IC output) Communication between primary-side and secondary-side ・2 Photocoupler (photo-IC output), High-speed, 20 Mbps, 3750 Vrms, 5pin SO6
Photocoupler (phototransistor output) Output voltage feedback・1 Photocoupler (phototransistor output), DC input, 3750 Vrms, SO4
Power MOSFET (N-ch single 60V<VDSS≤150V) Secondary-side・8 N-ch MOSFET, 150 V, 0.0154 Ω@10V, SOP Advance, U-MOSⅧ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) Primary-side・4 N-ch MOSFET, 80 V, 0.00243 Ω@10V, SOP Advance, U-MOSⅩ-H

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