CN103380383B - 用于较宽电流感测范围的合成电流感测电阻器 - Google Patents

用于较宽电流感测范围的合成电流感测电阻器 Download PDF

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Publication number
CN103380383B
CN103380383B CN201280009767.XA CN201280009767A CN103380383B CN 103380383 B CN103380383 B CN 103380383B CN 201280009767 A CN201280009767 A CN 201280009767A CN 103380383 B CN103380383 B CN 103380383B
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China
Prior art keywords
circuit
sense resistor
active element
mosfet
sense
Prior art date
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Active
Application number
CN201280009767.XA
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English (en)
Chinese (zh)
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CN103380383A (zh
Inventor
R·A·内多尔夫
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Texas Instruments Inc
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Texas Instruments Inc
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Publication of CN103380383A publication Critical patent/CN103380383A/zh
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    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc-Dc Converters (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Amplifiers (AREA)
CN201280009767.XA 2011-02-23 2012-02-23 用于较宽电流感测范围的合成电流感测电阻器 Active CN103380383B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/032,887 US8624610B2 (en) 2011-02-23 2011-02-23 Synthesized current sense resistor for wide current sense range
US13/032,887 2011-02-23
PCT/US2012/026384 WO2012116224A2 (en) 2011-02-23 2012-02-23 Synthesized current sense resistor for wide current sense range

Publications (2)

Publication Number Publication Date
CN103380383A CN103380383A (zh) 2013-10-30
CN103380383B true CN103380383B (zh) 2016-04-13

Family

ID=46652229

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280009767.XA Active CN103380383B (zh) 2011-02-23 2012-02-23 用于较宽电流感测范围的合成电流感测电阻器

Country Status (4)

Country Link
US (1) US8624610B2 (enExample)
JP (1) JP6333555B2 (enExample)
CN (1) CN103380383B (enExample)
WO (1) WO2012116224A2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9513318B2 (en) * 2014-05-29 2016-12-06 Infineon Technologies Ag Current or voltage sensing
US11150280B2 (en) 2019-02-25 2021-10-19 Analog Devices, Inc. Apparatus and method for current measurement
US11703544B2 (en) * 2020-06-10 2023-07-18 California Institute Of Technology Current sense multi-chip module
CN114552954B (zh) * 2020-11-20 2025-07-01 力智电子股份有限公司 具有电流感测的电源开关电路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030184326A1 (en) * 2002-04-01 2003-10-02 Nissan Motor Co., Ltd. Semiconductor device equipped with current detection function
US20060181289A1 (en) * 2002-09-04 2006-08-17 Gerald Deboy Circuit configuration having a load transistor and a current measuring configuration, method for ascertaining the load current in a load transistor, semiconductor component, and measuring configuration

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3417891B2 (ja) * 1999-10-27 2003-06-16 株式会社オートネットワーク技術研究所 電流検出装置
JP3593486B2 (ja) * 2000-01-28 2004-11-24 株式会社東芝 電圧比較回路およびこれを用いた基板バイアス調整回路
US6304108B1 (en) 2000-07-14 2001-10-16 Micrel, Incorporated Reference-corrected ratiometric MOS current sensing circuit
JP2004056727A (ja) * 2002-07-24 2004-02-19 Renesas Technology Corp 電力増幅回路
JP2004226095A (ja) * 2003-01-20 2004-08-12 Mitsubishi Electric Corp 電流測定回路
US6894477B1 (en) * 2003-03-04 2005-05-17 Fazaki North America, Inc. Electrical current monitor
US7005881B2 (en) * 2003-05-14 2006-02-28 International Rectifier Corporation Current sensing for power MOSFET operable in linear and saturated regions
US20050017760A1 (en) 2003-07-22 2005-01-27 International Rectifier Corporation Current sense shunt resistor circuit
JP4034278B2 (ja) * 2004-03-03 2008-01-16 ローム株式会社 電流検出回路、負荷駆動回路、及び記憶装置
US7557557B2 (en) 2004-03-03 2009-07-07 Rohm Co., Ltd. Current detection circuit, load drive circuit, and memory storage
US7872372B1 (en) * 2006-09-21 2011-01-18 Marvell International Ltd. Power circuit
US7865754B2 (en) * 2007-08-24 2011-01-04 Micrel, Inc. Power budget management in power over ethernet systems
JP4773411B2 (ja) 2007-09-26 2011-09-14 ルネサスエレクトロニクス株式会社 電流検出回路および電流検出方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030184326A1 (en) * 2002-04-01 2003-10-02 Nissan Motor Co., Ltd. Semiconductor device equipped with current detection function
US20060181289A1 (en) * 2002-09-04 2006-08-17 Gerald Deboy Circuit configuration having a load transistor and a current measuring configuration, method for ascertaining the load current in a load transistor, semiconductor component, and measuring configuration

Also Published As

Publication number Publication date
WO2012116224A2 (en) 2012-08-30
WO2012116224A3 (en) 2012-11-01
JP6333555B2 (ja) 2018-05-30
JP2014506680A (ja) 2014-03-17
CN103380383A (zh) 2013-10-30
US20120212243A1 (en) 2012-08-23
US8624610B2 (en) 2014-01-07
WO2012116224A8 (en) 2013-03-14

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