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Analysis and Design of Cyclic Switched-Capacitor DC-DC Converters
, Kishalay Datta, Vinod Menezes
Published in Institute of Electrical and Electronics Engineers Inc.
2019
Volume: 66
   
Issue: 8
Pages: 3227 - 3237
Abstract
We introduce the cyclic switched-capacitor dc-dc converter for single-input multiple-output power delivery. We focus on applications in stacked voltage domain (SVD)-based systems, and show that the cyclic architecture is robust to load current mismatches. We analyze such converters and give intuition for their power losses. We give experimental results from an SVD based power management integrated circuit (PMIC), designed and fabricated in a 130nm CMOS technology. The PMIC is a combination of a 2/3 stage reconfigurable cyclic SC dc-dc converter and a linear regulator. It can drive 3 × 3 mA loads with the input supply voltage varying from 2.35-3.65V. © 2019 IEEE.
About the journal
JournalData powered by TypesetIEEE Transactions on Circuits and Systems I: Regular Papers
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
ISSN15498328
Open AccessNo
Concepts (14)
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    Electric inverters
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    Electric power transmission
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    Integrated circuit design
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    Power management
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    Voltage regulators
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    CHARGE RECYCLING
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    INPUT SUPPLY VOLTAGE
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    LINEAR REGULATORS
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    POWER MANAGEMENT INTEGRATED CIRCUITS
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    SC DC-DC CONVERTERS
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    SINGLE INPUT MULTIPLE OUTPUTS
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    SWITCHED -CAPACITOR CIRCUITS
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    Switched-capacitor dc-dc converter
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    Dc-dc converters