A reconfigurable step-down switched capacitor dc-dc converter (SCC) capable of operating over a wide input voltage range from 1.9 to 6.3 V is presented in this letter. The converter can be reconfigured in five different topologies, obtaining five different voltage conversion ratios, with a minimum overhead in terms of extra switches and flying capacitors. Prototypes implemented in a 28-nm CMOS technology can deliver up to 0.45-W output power while regulating the output voltage to 0.9 V with a 85 peak efficiency.
A Reconfigurable Switched Capacitor DC-DC Converter with 1.9-6.3-V Input Voltage Range and 85 Peak Efficiency in 28-nm CMOS
Marin G.;Bevilacqua A.
2020
Abstract
A reconfigurable step-down switched capacitor dc-dc converter (SCC) capable of operating over a wide input voltage range from 1.9 to 6.3 V is presented in this letter. The converter can be reconfigured in five different topologies, obtaining five different voltage conversion ratios, with a minimum overhead in terms of extra switches and flying capacitors. Prototypes implemented in a 28-nm CMOS technology can deliver up to 0.45-W output power while regulating the output voltage to 0.9 V with a 85 peak efficiency.File in questo prodotto:
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