Analysis of the non-inverting buck-boost converter with four-mode control method

Zhang, N, Batternally, S, Lim, K, See, K and Han, F 2017, 'Analysis of the non-inverting buck-boost converter with four-mode control method', in Proceedings of the 43rd Annual Conference of the IEEE Industrial Electronics Society (IECON 2017), Beijing, CHina, 29 October -1 November 2017, pp. 876-881.


Document type: Conference Paper
Collection: Conference Papers

Title Analysis of the non-inverting buck-boost converter with four-mode control method
Author(s) Zhang, N
Batternally, S
Lim, K
See, K
Han, F
Year 2017
Conference name IECON 2017
Conference location Beijing, CHina
Conference dates 29 October -1 November 2017
Proceedings title Proceedings of the 43rd Annual Conference of the IEEE Industrial Electronics Society (IECON 2017)
Publisher IEEE
Place of publication United States
Start page 876
End page 881
Total pages 6
Abstract It is generally preferred for the non-inverting buck-boost converter to operate in buck mode when the input voltage is higher than the output voltage and in boost mode vice versa to improve the efficiency. However, the performance of the converter would be degraded under this operating scheme when the input voltage approaches to the output voltage due to the occurrence of the dead-zone. The four-mode control method is a potential solution to eliminate the dead-zone issue. This paper is to analyze the operating principle and the performance of the converter with four-mode control method. A prototype with 16.8V output voltage is tested in the laboratory. Analytical and experimental results show that the converter can obtain high efficiency, fast load and input voltage transient response in the entire input voltage range with the four-mode control method.
Subjects Industrial Electronics
Engineering Systems Design
Keyword(s) buck-boost converter
four-mode control
DOI - identifier 10.1109/IECON.2017.8216151
Copyright notice © 2017 IEEE
ISBN 9781538611272
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