Switching-based charger with continuously built-in resistor detector (CBIRD) and analog multiplication-division unit (AMDU) for fast charging in Li-Ion battery

Ruei Hong Peng, Tsu Wei Tsai, Ke-Horng Chen, Zhih Han Tai, Yi Hsuan Cheng, Chi Chung Tsai, Hsin Yu Luo, Shih Ming Wang, Long Der Chen, Cheng Chen Yang, Jui Lung Chen

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

5 Scopus citations

Abstract

Proposed continuously built-in resistor detector (CBIRD) monitors the built-in resistance (BIR) of the Li-Ion batteries for achieving fast charging process. Owing to the detection of the battery built-in resistance in real-time, the transition from the constant-current (CC) mode to the constant-voltage (CV) mode can be postponed to have large energy storing in the battery, Thus, the charging time of the switching-based charger can be effectively reduced. The CBIRD is composed of four analog circuits, which are the differentiator, the subtraction sample-and-hole (S/H), analog multiplication-division unit (AMDU), and voltage adder for accurate BIR detection. Thus, the proposed switching-based charger with the CBIRD has 45% charging time improvement for Li-ion batteries.

Original languageEnglish
Title of host publicationESSCIRC 2013 - Proceedings of the 39th European Solid-State Circuits Conference
Pages157-160
Number of pages4
DOIs
StatePublished - 31 Dec 2013
Event39th European Solid-State Circuits Conference, ESSCIRC 2013 - Bucharest, Romania
Duration: 16 Sep 201320 Sep 2013

Publication series

NameEuropean Solid-State Circuits Conference
ISSN (Print)1930-8833

Conference

Conference39th European Solid-State Circuits Conference, ESSCIRC 2013
CountryRomania
CityBucharest
Period16/09/1320/09/13

Keywords

  • analog multiplication-division unit (AMDU)
  • built-in resistor (BIR)
  • constant-current mode (CC)
  • constant-voltage (CV) mode
  • continuously built-in resistor detector (CBIRD)
  • Switching-based charger

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