A Family of an Automatic Interleaved Dickson Switched-Capacitor Converter and Its ZVS Resonant Configuration

In this paper, a family of automatic interleaved Dickson switched-capacitor converters (AIDSCC) and its zero-voltage switching (ZVS) resonant configuration are proposed. Different from the traditional Dickson switched-capacitor converter, the AIDSCC has symmetrical configuration with the features of...

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Veröffentlicht in:IEEE transactions on industrial electronics (1982) 2019-01, Vol.66 (1), p.255-264
Hauptverfasser: Shouxiang Li, Wenhao Xie, Smedley, Keyue Ma
Format: Artikel
Sprache:eng
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Zusammenfassung:In this paper, a family of automatic interleaved Dickson switched-capacitor converters (AIDSCC) and its zero-voltage switching (ZVS) resonant configuration are proposed. Different from the traditional Dickson switched-capacitor converter, the AIDSCC has symmetrical configuration with the features of automatic interleaved input current, small output voltage ripple, and lower peak capacitor voltage stress. To improve the line regulation capability, one small resonant inductor is inserted and two bulky capacitor banks are replaced by two much smaller resonant capacitors, forming the resonant AIDSCC. The transistors are ZVS turned on and diodes are zero-current switching turned off by operating above the resonance. With frequency modulation within a reasonable range, the voltage-gain range of the resonant AIDSCC is expanded significantly, while sacrificing the maximum efficiency due to the higher conduction loss. A 3X AIDSCC and a 3X resonant AIDSCC below 140 W were built to verify the analysis.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2018.2829682