Microelectronics, Volume. 52, Issue 5, 810(2022)

An Adaptive Time Constant Matching Gm-C Inductor Current Sensing Method

YANG Tao1... ZHEN Shaowei1,2, JIANG Shenhao1, CHENG Yufan1, QI Zhao1,2, ZHOU Chunhua1, LUO Ping1 and ZHANG Bo1 |Show fewer author(s)
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  • 1[in Chinese]
  • 2[in Chinese]
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    References(11)

    [1] [1] FORGHANI-ZADEH H P, RINCON-MORA G A. An accurate, continuous, and lossless self-learning CMOS current-sensing scheme for inductor-based DC-DC converters [J]. IEEE J Sol Sta Circ, 2007, 42(3): 665-679.

    [2] [2] FORGHANI-ZADEH H P, RINCON-MORA G A. A lossless, accurate, self-calibrating current-sensing technique for DC-DC converters [C]// 31st Annual Conf IEEE Indus Elec Society. Raleigh, NC, USA. 2005.

    [3] [3] DALLAGO E, PASSONI M, SASSONE G. Lossless current sensing in low-voltage high-current DC/DC modular supplies [J]. IEEE Trans Indus Elect, 2000, 47(6): 1249-1252.

    [4] [4] LOU J, WU X. An improved integrated lossless self-matched current-sensing circuit based on Gm-C filter for 4-switch buck-boost topology [C]// TENCON 2010 - 2010 IEEE Region 10 Conf. Fukuoka, Japan. 2010: 1548-1553.

    [5] [5] AHSANUZZAMAN S M, PRODIC A. An on-chip integrated auto-tuned hybrid current-sensor for high- frequency low-power dc-dc converters[C]// IEEE Appl Power Elect Conf Exposi. Charlotte, NC, USA. 2015: 445-450.

    [6] [6] HUA L, LUO S. Design considerations of time constant mismatch problem for inductor DCR current sensing method [C]// IEEE Appl Power Elect Conf Exposi. Dallas, TX, USA. 2006.

    [7] [7] LEUNG C Y, MOK P K T, LEUNG K N, et al. An integrated CMOS current-sensing circuit for low-voltage current-mode buck regulator [J]. IEEE Trans Circ Syst II: Express Briefs, 2005, 52(7): 394-397.

    [8] [8] LEE C F, MOK P K T. A monolithic current-mode CMOS DC-DC converter with on-chip current-sensing technique [J]. IEEE J Sol Sta Circ, 2004, 39(1): 3-14.

    [9] [9] LIU P, LEE F C, LI Q. Modeling and autotuning of AVP control with inductor DCR current sensing [C]// IEEE Appl Power Elect Conf Exposition. Fort Worth, TX, USA. 2014: 1066-1072.

    [10] [10] CHUNG S, WENG R. 1.5 V continuous-tracking current sensing circuit with high accuracy for DC-DC buck converter [C]// Int Symp Next Generation Elect. Kaohsiung, China. 2010: 147-149.

    [11] [11] ZHU L, CHEN B, ZHENG Y, et al. A fast-response buck-boost DC-DC converter with constructed full-wave current sensor [C]// Int Symp Integr Circ. Singapore. 2016: 1-4.

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    YANG Tao, ZHEN Shaowei, JIANG Shenhao, CHENG Yufan, QI Zhao, ZHOU Chunhua, LUO Ping, ZHANG Bo. An Adaptive Time Constant Matching Gm-C Inductor Current Sensing Method[J]. Microelectronics, 2022, 52(5): 810

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    Paper Information

    Special Issue:

    Received: Jan. 13, 2022

    Accepted: --

    Published Online: Jan. 18, 2023

    The Author Email:

    DOI:10.13911/j.cnki.1004-3365.220022

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