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Piggybacked SC-on-CSCR

A Modular On-Chip Switched-Capacitor Converter for 12-to-60V Input 1.8-to-5V Output Achieving 5.67mW/mm2 Power Density and 71.5% Peak Efficiency

Conference Paper (2026)
Author(s)

Yunzhe Yang (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Xin Zhang (IBM Thomas J. Watson Research Centre)

Sijun Du (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group
Electronic Instrumentation
DOI related publication
https://doi.org/10.1109/ISSCC49663.2026.11409108 Final published version
More Info
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Publication Year
2026
Language
English
Research Group
Electronic Instrumentation
Pages (from-to)
320-322
Publisher
IEEE
ISBN (electronic)
9798331589363
Event
2026 IEEE International Solid-State Circuits Conference, ISSCC 2026 (2026-02-15 - 2026-02-19), San Francisco, United States
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Abstract

This paper presents an on-chip switched-capacitor converter, named piggybacked SC-on-CSCR, featuring: 1) a power density of 5.67mW/mm2 enabled by eliminating high-voltage switches and jointly utilizing MOM and MOS capacitors; 2) a 12-to-60V input and 1.8-to-5V output achieved through a chip-level modular design; 3) 71.5% peak efficiency enabled by full soft-charging operation; and 4) fast high-voltage startup protection, verified under a 20V/ms power-on slope.

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File under embargo until 07-09-2026