A family of two-switch boosting switched-capacitor converters

Bin Wu; Shouxiang Li; Keyue Ma Smedley; Sigmond Singer

doi:10.1109/TPEL.2014.2375311

A family of two-switch boosting switched-capacitor converters

Bin Wu, Shouxiang Li, Keyue Ma Smedley, Sigmond Singer

Interdisciplinary Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A family of "Two-Switch Boosting Switched-Capacitor Converters (TBSC)" is introduced, which distinguishes itself from the prior arts by symmetrically interleaved operation, reduced output ripple, low yet even voltage stress on components, and systematic expandability. Along with the topologies, a modeling method is formulated, which provokes the converter regulation method through duty cycle and frequency adjustment. In addition, the paper also provides guidance for circuit components and parameter selection. A 1-kW 3X TBSC was built to demonstrate the converter feasibility, regulation capability via duty cycle and frequency, which achieved a peak efficiency of 97.5% at the rated power.

Original language	English
Pages (from-to)	5413-5424
Number of pages	12
Journal	IEEE Transactions on Power Electronics
Volume	30
Issue number	10
DOIs	https://doi.org/10.1109/TPEL.2014.2375311
State	Published - 1 Oct 2015

Keywords

TBSC
frequency modulation
interleaved
modeling
switched-capacitor

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10.1109/TPEL.2014.2375311

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abstract = "A family of {"}Two-Switch Boosting Switched-Capacitor Converters (TBSC){"} is introduced, which distinguishes itself from the prior arts by symmetrically interleaved operation, reduced output ripple, low yet even voltage stress on components, and systematic expandability. Along with the topologies, a modeling method is formulated, which provokes the converter regulation method through duty cycle and frequency adjustment. In addition, the paper also provides guidance for circuit components and parameter selection. A 1-kW 3X TBSC was built to demonstrate the converter feasibility, regulation capability via duty cycle and frequency, which achieved a peak efficiency of 97.5% at the rated power.",

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AB - A family of "Two-Switch Boosting Switched-Capacitor Converters (TBSC)" is introduced, which distinguishes itself from the prior arts by symmetrically interleaved operation, reduced output ripple, low yet even voltage stress on components, and systematic expandability. Along with the topologies, a modeling method is formulated, which provokes the converter regulation method through duty cycle and frequency adjustment. In addition, the paper also provides guidance for circuit components and parameter selection. A 1-kW 3X TBSC was built to demonstrate the converter feasibility, regulation capability via duty cycle and frequency, which achieved a peak efficiency of 97.5% at the rated power.

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A family of two-switch boosting switched-capacitor converters

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