1 kW Non-Isolated Buck-Boost DC-DC Converter for Telecommunication Equipment

This reference design provides design guide, data and other contents of 1 kW Non-Isolated Buck-Boost DC-DC Converter for Telecommunication Equipment.

PCB Photo (example)
TPH9R00CQ5 TPH9R00CQ5 TPH9R00CQH TPH9R00CQH

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Features

  • Total efficiency : 94.9 % (Vin = -48 V, Vout= 54 V, Pout = 1 kW)
  • Outline size : 150 mm x 150 mm
  • High efficiency synchronous rectifier using power MOSFET with built-in high speed diode

Description

Input voltage DC -60 ～ -36 V
Output voltage DC 32 V / DC 54 V
Output power 1 kW
Circuit topology Two-Phase Interleave Non-Isolated Buck-Boost Converter Circuit
Efficiency Curve (at 54 V output)
Efficiency Curve (at 54 V output)

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 single 60V<VDSS≤150V) Switch・4 N-ch MOSFET, 150 V, 0.009 Ω@10V, SOP Advance / SOP Advance(N), U-MOSⅩ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) Synchronous Rectifier・4 N-ch MOSFET, 150 V, 0.009 Ω@10V, Qrr=34nC@100A/μs, SOP Advance / SOP Advance(N), U-MOSⅩ-H

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