A New Buck–Boost Converter With Low-Voltage Stress and Reduced Conducting Components

This paper presents a new buck-boost converter. Unlike the single-switch buck-boost converter, the proposed converter has low-voltage stresses on semiconductors. Moreover, although both the conventional two-switch buck-boost (TSBB) and the proposed converters have the same number of passive and acti...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2017-09, Vol.64 (9), p.7030-7038
Main Authors: Son, Hyo-Soo, Kim, Jae-Kuk, Lee, Jae-Bum, Moon, Sang-Su, Park, Ji-Hoon, Lee, Seok-Hyun
Format: Article
Language:English
Subjects:
Circuits
Conduction losses
Converters
Electric potential
Inductors
Low voltage
Low-voltage stress
Moon
reduced conducting components
Semiconductor diodes
single-switch buck–boost (SSBB) converter
Stress
Switches
two-switch buck–boost (TSBB) converter
Voltage control
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Summary:This paper presents a new buck-boost converter. Unlike the single-switch buck-boost converter, the proposed converter has low-voltage stresses on semiconductors. Moreover, although both the conventional two-switch buck-boost (TSBB) and the proposed converters have the same number of passive and active components, and the proposed converter can reduce the conduction loss as a result of having fewer conducting components. Therefore, the proposed converter obtained a higher efficiency than the TSBB converter. A 48-V output voltage and 150-W output power prototype was fabricated to verify the effectiveness of the proposed converter.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2017.2686300