500 W Server Power Supply using TOLL Package DTMOS

This reference design provides design guide, data and other contents of 500 W server power supply using continuous current mode PFC and LLC DC-DC converter. Using TOLL package MOSFET in the PFC circuit, decreases the overall size and increases the power density.

Features of 500 W server power supply using TOLL package DTMOS.
TK090U65Z TK20A60W5 TK20A60W5 TPH1R306P1 TPH1R306P1 TPHR9203PL TLP785F

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Features

  • Smaller size because of TOLL package MOSFET
  • 1 U rack size and high efficiency power supply
  • Total efficiency:93.2 % (Vin = 230 V at 100 % load)
  • Outline size:192 mm x 135 mm x 40 mm
  • Uses optimum power MOSFET and photocoupler

Description

Input voltage AC 90 to 264 V
Output voltage DC 12 V
Output power 500 W
Circuit topology Continuous Current Mode PFC, LLC (Half-Bridge) + Synchronous Rectification, Oring Circuit for Output
Efficiency curves of 500 W server power supply using TOLL package DTMOS.
Efficiency Curves

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.

*2:The data was generated on CR5000BD.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power MOSFET (N-ch 500V<VDSS≤700V) PFC・1 N-ch MOSFET, 650 V, 0.09 Ω@10V, TOLL, DTMOSⅥ
Power MOSFET (N-ch 500V<VDSS≤700V) Primary side・2 N-ch MOSFET, 600 V, 0.175 Ω@10V, TO-220SIS, DTMOSⅣ
Power MOSFET (N-ch single 30V<VDSS≤60V) Secondary side・4 N-ch MOSFET, 60 V, 0.00128 Ω@10V, SOP Advance, U-MOSⅨ-H
Power MOSFET (N-ch single VDSS≤30V) Oring・3 N-ch MOSFET, 30 V, 0.00092 Ω@10V, SOP Advance, U-MOSⅨ-H
Photocoupler (phototransistor output) Output voltage feedback・1 Photocoupler (phototransistor output), DC input, 5000 Vrms, 4pin SO6L

Related Documents

We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.

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