A Family of Two-Switch Boosting Switched-Capacitor Converters
作者： Shouxiang Li , Keyue Ma Smedley , Sigmond Singer , Bin Wu
DOI: 10.1109/TPEL.2014.2375311
关键词: Converters 、 Power rating 、 Engineering 、 Ripple 、 Capacitor 、 Voltage 、 Switched capacitor 、 Electronic engineering 、 Duty cycle 、 Pulse-width modulation
摘要: 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 topologies, a modeling method formulated, provokes converter regulation through duty cycle frequency adjustment. In addition, paper also provides guidance for circuit components parameter selection. 1-kW 3X TBSC was built to demonstrate feasibility, capability via frequency, achieved peak efficiency 97.5% at rated power.
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