A Shared-MSB Delay-Line-Based ADC with Simultaneous Quantization for Digital Control Single-Inductor-Multiple-Output DC-DC Converter
Refereed conference paper presented and published in conference proceedings


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AbstractA shared-MSB sub-range delay-line-based window ADC capable of simultaneous quantization for digital control single-inductor-multiple-output (SIMO) DC-DC converter is proposed in this work. This ADC achieves the conversion by voltage-time-conversion (VTC) and time-digital-conversion (TDC). A Shared-MSB scheme is proposed and propagation delay of delay cells no longer depends on input voltages. Together with the fine-coarse conversion method, die area, matching difficulty and power consumption are reduced. The proposed ADC, containing 6 sub-ADCs with window from 1.0V to 1.4V, consumes die area of 0.065mm2 and power of 100μA implemented in 0.18μm process. And the conversion time is within 32ns. A SIMO DC-DC adopting the proposed ADC regulates the output voltage to 1.8V, 2.5V, 3.3V and 5.0V.
All Author(s) ListCHEN B, ZHU L, GUO Jianping, ZHENG Yanqi, HO Marco, LEUNG Ka Nang
Name of Conference2016 International Symposium on Integrated Circuits (ISIC)
Start Date of Conference12/12/2016
End Date of Conference14/12/2016
Place of ConferenceResorts World Convention Centre
Country/Region of ConferenceSingapore
Proceedings TitleInternational Symposium on Integrated Circuits
Year2016
Month12
PublisherIEEE
ISBN978-1-4673-9020-0
eISBN978-1-4673-9019-4
ISSN2325-0631
LanguagesEnglish-United Kingdom
KeywordsSIMO DC-DC Converter; Digital Control

Last updated on 2020-20-11 at 02:16