200nA low quiescent current deep-standby mode in 28nm DC-DC buck converter for active implantable medical devices

Li Cheng Chu, Te Fu Yang, Ru Yu Huang, Yi Ping Su, Chiun He Lin, Chin Long Wey, Ke-Horng Chen, Ying Hsi Lin, Chao Cheng Lee, Jian Ru Lin, Tsung Yen Tsai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The proposed deep-standby mode (DSM) is used in 28nm power management unit (PMU) for long-term usage in active implantable medical devices (AIMD). The PMU can upgrade its normal mode with the proposed embedded auto-cancellation (EAC) technique in order to have high accuracy even if the battery is aging and the PVT variations occur. The test chip fabricated in 28nm CMOS process features low quiescent current of 200nA and output voltage accuracy of 98%. Seamless transition among the DSM and the accurate mode demonstrates both low quiescent current and high accuracy can be achieved in the proposed PMU.

Original languageEnglish
Title of host publication2015 IEEE Asian Solid-State Circuits Conference, A-SSCC 2015 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467371919
DOIs
StatePublished - 19 Jan 2016
Event11th IEEE Asian Solid-State Circuits Conference, A-SSCC 2015 - Xiamen, Fujian, China
Duration: 9 Nov 201511 Nov 2015

Publication series

Name2015 IEEE Asian Solid-State Circuits Conference, A-SSCC 2015 - Proceedings

Conference

Conference11th IEEE Asian Solid-State Circuits Conference, A-SSCC 2015
CountryChina
CityXiamen, Fujian
Period9/11/1511/11/15

Keywords

  • active implantable medical devices (AIMD)
  • deep-standby mode (DSM)
  • embedded auto-cancellation (EAC)
  • power management unit (PMU)

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