1.6kW, 80Plus Platinum Class, High efficiency Server AC-DC Power supply

This reference design provides design guide, data and other contents of 1.6kW 80Plus Platinum class power supply using Semi-bridgeless/Isolated phase shift full bridge.

Features of 1.6kW, 80Plus Platinum class, high efficiency server AC-DC power supply .
Simple block diagram of 1.6kW, 80Plus Platinum class, high efficiency server AC-DC power supply .

Features

  • 1U rack size high efficiency and high power output power supply
  • Total efficiency 93%(Vin=230V at 100% load condition)
  • Outline size : 307 mm x 133 mm x 43 mm(including the base plate under the PWB and the top plate covering over the heatsinks)
  • Provides appropriate power devices(MOSFET and SiC diode) and photocouplers totally

Description

Input voltage AC 90 to 264 V
Output voltage DC12V
Output power 0.8 kW(AC 100V system input), 1.6 kW(AC 200V system input)
Circuit topology Semi-Bridgeless PFC, Phase-Shift Full-Bridge + Synchronous Rectification, Oring Circuit for Output

Download overview material for solution (PDF:481KB)

Efficiency curves of 1.6kW, 80Plus Platinum class, high efficiency server AC-DC power supply .
Efficiency Curves

Design Documents

Design Documents contain the documents below.

Design Data

Design Data contains the contents listed below.

*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・4 N-ch MOSFET, 600 V, 0.125 Ω@10V, TO-247, DTMOSⅣ-H
SiC Schottky barrier diode PFC・2 650 V/8 A SiC Schottky Barrier Diode, TO-220-2L
Power MOSFET (N-ch 500V<VDSS≤700V) Primary side・4 N-ch MOSFET, 600 V, 0.14 Ω@10V, TO-247, DTMOSⅣ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) Secondary side・8 N-ch MOSFET, 100 V, 0.0037 Ω@10V, SOP Advance, U-MOSⅨ-H
Power MOSFET (N-ch single VDSS≤30V) Oring・10 N-ch MOSFET, 30 V, 0.0009 Ω@10V, SOP Advance, U-MOSⅧ
Photocoupler (photo-IC output) Communication between primary side and secondary side・4 Photocoupler (photo-IC output), High-speed, 50 Mbps, 5000 Vrms, SO6L

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