Novel Current Stress Reduction Technique for Boost Integrated Half-Bridge DC/DC Converter with Voltage Doubler Type Rectifier

Author

Hong-Sun Park ; Chong-Eun Kim ; Gun-Woo Moon ; Jun-Chae Lim

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol.

fYear

2006

fDate

18-22 June 2006

Firstpage

1

Lastpage

6

Abstract

A current stress reduction technique for a boost integrated half-bridge (BIHB) DC/DC converter with voltage doubler type rectifier is proposed for digital car audio amplifier application. In the proposed circuit, two external capacitors are added parallel to the rectifier diodes in the secondary side of the transformer to shape the primary and the secondary current like rectangular waveforms in every switching instance. The experimental results of a 200 W industrial sample show that the peak primary current decreases about by 10 A. Thus, the proposed technique shows improved high efficiency

Keywords

DC-DC power convertors; audio-frequency amplifiers; bridge circuits; power capacitors; power transformers; rectifying circuits; switching convertors; 200 W; boost integrated half-bridge DC-DC converter; current stress reduction technique; digital car audio amplifier application; external capacitors; rectangular waveforms; rectifier diodes; transformers; voltage doubler type rectifier; Capacitors; Circuits; DC-DC power converters; Diodes; Inductors; Low voltage; Rectifiers; Stress; Switching converters; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE

Conference_Location

Jeju

ISSN

0275-9306

Print_ISBN

0-7803-9716-9

Type

conf

DOI

10.1109/PESC.2006.1712144

Filename

1712144