CN114365456B - 用于电流感测和电流限制的方法和装置 - Google Patents

用于电流感测和电流限制的方法和装置 Download PDF

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Publication number
CN114365456B
CN114365456B CN202080063844.4A CN202080063844A CN114365456B CN 114365456 B CN114365456 B CN 114365456B CN 202080063844 A CN202080063844 A CN 202080063844A CN 114365456 B CN114365456 B CN 114365456B
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China
Prior art keywords
transistor
current
voltage
terminal
amplifier
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CN202080063844.4A
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English (en)
Chinese (zh)
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CN114365456A (zh
Inventor
R·A·黑斯廷斯
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Texas Instruments Inc
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Texas Instruments Inc
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/025—Current limitation using field effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • 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
    • G01R19/16504—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 components employed
    • G01R19/16519—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 components employed using FET's
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/481—A resistor being used as sensor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
CN202080063844.4A 2019-07-19 2020-07-20 用于电流感测和电流限制的方法和装置 Active CN114365456B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/517,019 US11239656B2 (en) 2019-07-19 2019-07-19 Methods and apparatus for current sensing and current limiting
US16/517,019 2019-07-19
PCT/US2020/042717 WO2021016153A1 (en) 2019-07-19 2020-07-20 Methods and apparatus for current sensing and current limiting

Publications (2)

Publication Number Publication Date
CN114365456A CN114365456A (zh) 2022-04-15
CN114365456B true CN114365456B (zh) 2024-07-26

Family

ID=74193817

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080063844.4A Active CN114365456B (zh) 2019-07-19 2020-07-20 用于电流感测和电流限制的方法和装置

Country Status (5)

Country Link
US (1) US11239656B2 (https=)
EP (1) EP4000220B1 (https=)
JP (1) JP7641265B2 (https=)
CN (1) CN114365456B (https=)
WO (1) WO2021016153A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102138942B1 (ko) * 2019-02-12 2020-07-28 고관수 트라이액 모듈
GB2604187B (en) * 2021-02-26 2023-10-04 Cirrus Logic Int Semiconductor Ltd Current sensing
US20230246802A1 (en) * 2022-02-02 2023-08-03 Texas Instruments Incorporated Synchronized sensor parameter conversions

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Publication number Priority date Publication date Assignee Title
DE19520735C2 (de) * 1995-06-07 1999-07-01 Siemens Ag Schaltungsanordnung zum Erfassen des Laststroms eines Leistungs-Halbleiterbauelementes mit sourceseitiger Last
US6377034B1 (en) * 2000-12-11 2002-04-23 Texas Instruments Incorporated Method and circuits for inductor current measurement in MOS switching regulators
US6414521B1 (en) * 2001-02-01 2002-07-02 Lattice Semiconductor Corp. Sense amplifier systems and methods
US9769090B2 (en) 2005-01-25 2017-09-19 Linear Technology Corporation Adjusting current limit thresholds based on power requirement of powered device in system for providing power over communication link
US7639469B2 (en) 2005-01-25 2009-12-29 Linear Technology Corporation Power sourcing equipment having auto-zero circuit for determining and controlling output current
US8582266B2 (en) * 2006-02-17 2013-11-12 Broadcom Corporation Current-monitoring apparatus
US7812647B2 (en) * 2007-05-21 2010-10-12 Advanced Analogic Technologies, Inc. MOSFET gate drive with reduced power loss
JP2009075957A (ja) 2007-09-21 2009-04-09 Renesas Technology Corp 電源回路および半導体装置
US7973605B2 (en) * 2008-09-15 2011-07-05 Mediatek Singapore Pte. Ltd. Three-stage frequency-compensated operational amplifier for driving large capacitive loads
US9791480B2 (en) * 2013-05-21 2017-10-17 Analog Devices Global Current sensing of switching power regulators
US9281835B2 (en) * 2014-03-03 2016-03-08 Microsemi Corp.—Analog Mixed Signal Group, Ltd. Method and apparatus for wide range input for an analog to digital converter
US9360879B2 (en) * 2014-04-28 2016-06-07 Microsemi Corp.-Analog Mixed Signal Group, Ltd. Sense current generation apparatus and method
CN104638896B (zh) * 2015-02-13 2017-06-27 矽恩微电子(厦门)有限公司 基于bcd工艺的电流钳位电路
US10116291B2 (en) * 2015-08-10 2018-10-30 Texas Instruments Incorporated Reverse current protection circuit
US10216208B2 (en) * 2015-08-27 2019-02-26 Qualcomm Incorporated Load current sensing in voltage regulator
US10014851B2 (en) * 2016-11-02 2018-07-03 Texas Instruments Incorporated Current sensing and control for a transistor power switch
US10615593B2 (en) * 2016-11-29 2020-04-07 Microsemi P.O.E. Ltd. Inrush current limit circuitry and method
CN110058631B (zh) * 2018-01-18 2022-07-29 恩智浦美国有限公司 具有前馈电路的电压调节器
JP2019149614A (ja) * 2018-02-26 2019-09-05 ルネサスエレクトロニクス株式会社 電流検出回路、半導体装置、及び、半導体システム
US10168363B1 (en) * 2018-03-14 2019-01-01 STMicroelectronics Design & Application S.R.O. Current sensor with extended voltage range
JP2020042478A (ja) * 2018-09-10 2020-03-19 キオクシア株式会社 半導体集積回路

Also Published As

Publication number Publication date
JP2022540957A (ja) 2022-09-20
EP4000220A1 (en) 2022-05-25
EP4000220B1 (en) 2026-01-07
US11239656B2 (en) 2022-02-01
WO2021016153A1 (en) 2021-01-28
JP7641265B2 (ja) 2025-03-06
US20210021122A1 (en) 2021-01-21
EP4000220A4 (en) 2022-09-14
CN114365456A (zh) 2022-04-15

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