JP6397019B2 - 小電流測定精度を高くするためのｆｅｔセグメント制御を使用したバッテリ残量ゲージ - Google Patents

小電流測定精度を高くするためのｆｅｔセグメント制御を使用したバッテリ残量ゲージ Download PDF

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JP6397019B2
JP6397019B2 JP2016531681A JP2016531681A JP6397019B2 JP 6397019 B2 JP6397019 B2 JP 6397019B2 JP 2016531681 A JP2016531681 A JP 2016531681A JP 2016531681 A JP2016531681 A JP 2016531681A JP 6397019 B2 JP6397019 B2 JP 6397019B2
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fet
battery
current
terminal
segments
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JP2017505898A (ja
JP2017505898A5 (enExample
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エリック・イアン・ミクテイト
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クアルコム，インコーポレイテッド
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/206—Switches for connection of measuring instruments or electric motors to measuring loads
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range
    • G01R15/09—Autoranging circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/0027—Measuring means of, e.g. currents through or voltages across the switch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Secondary Cells (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
JP2016531681A 2013-11-19 2014-11-18 小電流測定精度を高くするためのｆｅｔセグメント制御を使用したバッテリ残量ゲージ Active JP6397019B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/084,398 2013-11-19
US14/084,398 US9797959B2 (en) 2013-11-19 2013-11-19 Battery fuel gauges using FET segment control to increase low current measurement accuracy
PCT/US2014/066163 WO2015077234A2 (en) 2013-11-19 2014-11-18 Battery fuel gauges using fet segment control to increase low current measurement accuracy

Publications (3)

Publication Number Publication Date
JP2017505898A JP2017505898A (ja) 2017-02-23
JP2017505898A5 JP2017505898A5 (enExample) 2018-02-08
JP6397019B2 true JP6397019B2 (ja) 2018-09-26

Family

ID=52016143

Family Applications (1)

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JP2016531681A Active JP6397019B2 (ja) 2013-11-19 2014-11-18 小電流測定精度を高くするためのｆｅｔセグメント制御を使用したバッテリ残量ゲージ

Country Status (7)

Country Link
US (1) US9797959B2 (enExample)
EP (1) EP3071978B1 (enExample)
JP (1) JP6397019B2 (enExample)
KR (1) KR101903749B1 (enExample)
CN (1) CN105745548B (enExample)
BR (1) BR112016011312B1 (enExample)
WO (1) WO2015077234A2 (enExample)

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JP6386816B2 (ja) * 2014-06-30 2018-09-05 エイブリック株式会社 バッテリ状態監視回路及びバッテリ装置
KR102511224B1 (ko) * 2015-11-05 2023-03-17 삼성전자주식회사 배터리 전류량을 측정하는 퓨얼 게이지 시스템 및 이를 포함하는 휴대용 전자장치
DE102016202500A1 (de) * 2016-02-18 2017-08-24 Continental Automotive Gmbh Batteriesensor, Verfahren zum Kalibrieren eines Messwiderstands und Verwendung
WO2017176462A1 (en) * 2016-04-03 2017-10-12 Brammo, Inc. Battery pack and method of manufacture
US11990591B2 (en) * 2017-02-08 2024-05-21 Litech Laboratories, Inc. Method for monitoring series-connected battery cells
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US10879686B2 (en) * 2018-04-12 2020-12-29 Cypress Semiconductor Corporation Overcurrent protection for universal serial bus Type-C (USB-C) connector systems
US11422170B2 (en) * 2018-07-18 2022-08-23 Qorvo Us, Inc. Digital current sensing circuit and related apparatus
US10845396B2 (en) 2018-09-19 2020-11-24 Texas Instruments Incorporated Apparatus and system for wide-range current sensing
US11422203B1 (en) * 2019-02-15 2022-08-23 Maxim Integrated Products, Inc. Current sensing line fault detector
WO2020247704A1 (en) 2019-06-05 2020-12-10 Avl Powertrain Engineering, Inc. Vehicle frame and power supply assembly and related systems and methods
WO2020247573A1 (en) 2019-06-05 2020-12-10 Avl Powertrain Engineering, Inc. Vehicle frame assembly and power supply tray
US11843097B2 (en) * 2019-09-10 2023-12-12 Avl Powertrain Engineering, Inc. Power supply control systems and methods
US20220341973A1 (en) * 2021-04-21 2022-10-27 Cirrus Logic International Semiconductor Ltd. Temperature-insensitive current sensing for power stage
EP4478058A1 (en) * 2023-06-15 2024-12-18 Nexperia B.V. System for sensing current through a pass fet
EP4481402A1 (en) * 2023-06-22 2024-12-25 Aptiv Technologies AG Current measurement circuit and method
CN120559493A (zh) * 2025-07-30 2025-08-29 福建时代星云科技有限公司 一种电池电量检测电路

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Also Published As

Publication number Publication date
BR112016011312B1 (pt) 2022-02-22
BR112016011312A2 (enExample) 2017-08-08
US20150137820A1 (en) 2015-05-21
CN105745548B (zh) 2019-06-21
WO2015077234A2 (en) 2015-05-28
JP2017505898A (ja) 2017-02-23
CN105745548A (zh) 2016-07-06
EP3071978A2 (en) 2016-09-28
EP3071978B1 (en) 2022-04-27
KR20160088352A (ko) 2016-07-25
WO2015077234A3 (en) 2015-07-16
KR101903749B1 (ko) 2018-10-04
US9797959B2 (en) 2017-10-24

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