1.1kW ITTF(Interleaved Two Transistor Forward) AC-DC Converter for Servers

This design is an AC-DC converter for servers that generates DC 12V from an input of AC 90 to 264V and delivers up to 1.1kW output.
It is equipped with an output ORing circuit, enabling redundant operation.
Components are selected with consideration for height when mounted on a PCB, making it suitable for use in 1U-sized power supplies.
We provide design information including key circuit design points, usage instructions, adjustment methods for each section, circuit diagrams, and PCB layout data to support your development.

Appearance
TK165V60Z1 TK165V60Z1 TK165V60Z1 TK165V60Z1 TK165V60Z1 TW107Z65C TW107Z65C TW107Z65C TK024N60Z1 TK024N60Z1 TK024N60Z1 TPH1R306PL TPH1R306PL TPH1R306PL TPH1R204PL TPH1R204PL TPHR6503PL TPHR6503PL DCL541A01

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Features

  • 80 PLUS Platinum-class high efficiency (at Vin = 230V) in 1U size
  • Conversion efficiency: 93.1% (at Vin = 230V, 100% Load)
  • Outline size: 315mm x 205mm x 43mm (including metal plate at the bottom of the board)
  • Equipped with latest generation power MOSFETs & Digital Isolators

Description

Input voltage AC 90V to 264V
Output voltage DC 12V
Output power 1.1kW
Circuit topology Totem-pole PFC+ITTF+ORing
Efficiency Curve

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.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power SiC MOSFETs PFC Circuit・2 N-ch SiC MOSFET, 650 V, 0.107 Ω(typ.)@18 V, TO-247-4L(X), 3rd Gen.
Power MOSFET (N-ch 500V<VDSS≤700V) PFC Circuit・3 N-ch MOSFET, 600 V, 0.024 Ω@10V, TO-247, DTMOSⅥ
Power MOSFET (N-ch 500V<VDSS≤700V) ITTF Circuit・4 N-ch MOSFET, 600 V, 0.165 Ω@10V, DFN 8 x 8, DTMOSⅥ
Power MOSFET (N-ch single 30V<VDSS≤60V) ITTF Circuit・2 N-ch MOSFET, 40 V, 0.00124 Ω@10V, SOP Advance, U-MOSⅨ-H
Power MOSFET (N-ch single 30V<VDSS≤60V) ITTF Circuit・4 N-ch MOSFET, 60 V, 0.00134 Ω@10V, SOP Advance, U-MOSⅨ-H
Power MOSFET (N-ch single VDSS≤30V) ORing Circuit・3 N-ch MOSFET, 30 V, 0.00065 Ω@10V, SOP Advance, U-MOSⅨ-H
Standard Digital Isolators Control signal transmission between the primary and secondary sides・1 HIGH SPEED QUAD CHANNEL DIGITAL ISOLATORS, High-speed, 150 Mbps, 5000 Vrms, 16pin SOIC Wide body

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.

애플리케이션

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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