A 50% Ripple Reduction Hybrid Multiphase Interleaving SC Converter with Bottom-Plate Charge Sharing

Chowdary, Gajendranath and Amara, Mohith (2022) A 50% Ripple Reduction Hybrid Multiphase Interleaving SC Converter with Bottom-Plate Charge Sharing. In: 2022 IEEE International Symposium on Circuits and Systems, ISCAS 2022, 27 May-1 June 2022, Austin.

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This paper presents a hybrid multiphase interleaving technique for bottom plate parasitic charge sharing and ripple reduction in SC converter (SCC). The proposed technique uses multiphase interleaving for reducing ripple and scalable parasitic charge redistribution technique for reducing bottom plate parasitic loss, and incorporates them to achieve both features. An 8-core, 8-phase interleaved 1/2 SCC with 3 charge redistribution steps is derived using the proposed technique and implemented in the 180 nm CMOS process. Post-layout simulations of 8C8P validate that the proposed hybrid technique achieves 83% efficiency and 50% lesser ripple than the existing SPCR technique with the same flying capacitance and switch conductance. © 2022 IEEE.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: bottom plate charge sharing; charge pump; multiphase interleaving; ripple; switched capacitor converter
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Ms Palak Jain
Date Deposited: 22 May 2023 09:31
Last Modified: 22 May 2023 09:31
URI: http://raiith.iith.ac.in/id/eprint/11469
Publisher URL: https://doi.org/ 10.1109/ISCAS48785.2022.9937711
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