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GB2284283B - Circuit arrangement for current measurement via a switching transistor - Google Patents

Circuit arrangement for current measurement via a switching transistor

Info

Publication number
GB2284283B
GB2284283B GB9422167A GB9422167A GB2284283B GB 2284283 B GB2284283 B GB 2284283B GB 9422167 A GB9422167 A GB 9422167A GB 9422167 A GB9422167 A GB 9422167A GB 2284283 B GB2284283 B GB 2284283B
Authority
GB
United Kingdom
Prior art keywords
switching transistor
circuit arrangement
current measurement
measurement via
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9422167A
Other versions
GB2284283A (en
GB9422167D0 (en
Inventor
Gunter Lohr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB9422167D0 publication Critical patent/GB9422167D0/en
Publication of GB2284283A publication Critical patent/GB2284283A/en
Application granted granted Critical
Publication of GB2284283B publication Critical patent/GB2284283B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Dc-Dc Converters (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
GB9422167A 1993-11-12 1994-11-03 Circuit arrangement for current measurement via a switching transistor Expired - Fee Related GB2284283B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4338714A DE4338714C2 (en) 1993-11-12 1993-11-12 Circuit arrangement for current measurement via a switching transistor

Publications (3)

Publication Number Publication Date
GB9422167D0 GB9422167D0 (en) 1994-12-21
GB2284283A GB2284283A (en) 1995-05-31
GB2284283B true GB2284283B (en) 1997-12-24

Family

ID=6502475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9422167A Expired - Fee Related GB2284283B (en) 1993-11-12 1994-11-03 Circuit arrangement for current measurement via a switching transistor

Country Status (5)

Country Link
JP (1) JPH07198758A (en)
CN (1) CN1052541C (en)
DE (1) DE4338714C2 (en)
GB (1) GB2284283B (en)
MY (1) MY112781A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101208325B1 (en) * 2005-09-09 2012-12-05 세미컨덕터 콤포넨츠 인더스트리즈 엘엘씨 A current sense circuit and method of forming thereof
JP2008049974A (en) * 2006-08-28 2008-03-06 Nippon Yusoki Co Ltd Electric lamp driving device
US9261539B2 (en) 2010-03-18 2016-02-16 Magna Steyr Fahrzeugtechnik Ag & Co Kg Method for measuring an electrical current and apparatus for this purpose
JP5487084B2 (en) * 2010-11-19 2014-05-07 株式会社メガチップス Power supply
CN102721935B (en) * 2011-03-30 2015-07-08 海洋王照明科技股份有限公司 Charger over current test circuit and test method thereof
US8854065B2 (en) * 2012-01-13 2014-10-07 Infineon Technologies Austria Ag Current measurement in a power transistor
US9829387B2 (en) * 2014-10-28 2017-11-28 Infineon Technologies Austria Ag System and method for temperature sensing
CN110441623A (en) * 2018-05-04 2019-11-12 神讯电脑(昆山)有限公司 Onboard charger plug-pull detecting circuit
DE102019210566B4 (en) 2019-07-17 2022-03-17 Conti Temic Microelectronic Gmbh Apparatus and method for measuring current flowing through a PWM-driven inductive load

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246648A (en) * 1990-08-04 1992-02-05 Delta Electronic Ind Co Limite A regulated step-down switching circuit for the DC converter of a power supply
WO1994014229A1 (en) * 1992-12-05 1994-06-23 Braun Aktiengesellschaft Automatic load current back regulation
EP0622889A2 (en) * 1993-04-30 1994-11-02 Koninklijke Philips Electronics N.V. Low power pre-regulator power supply circuit
EP0650250A1 (en) * 1993-10-22 1995-04-26 STMicroelectronics S.r.l. DC-to-DC converter operating in a discontinuous mode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446645A1 (en) * 1984-12-20 1986-07-03 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for forming a current signal
IT1213415B (en) * 1986-12-17 1989-12-20 Sgs Microelettronica Spa CIRCUIT FOR LINEAR MEASUREMENT OF THE CIRCULATING CURRENT ON A LOAD.
IT1220186B (en) * 1987-11-02 1990-06-06 Sgs Microelettronica Spa ANALOG MUTLIPLEX FOR THE DETECTION OF THE AMPLITUDE AND DIRECTION OF THE CURRENT IN BRIDGE STAGES USING A SINGLE REVELATION RESISTANCE
DE3843507A1 (en) * 1988-12-23 1990-06-28 Daimler Benz Ag Method for measuring a pulsed current in an inductive load and device for carrying out the method
DE4005813C2 (en) * 1990-02-23 2002-01-10 Siemens Ag Device for monitoring the load current of an electronically switched consumer
DE4101492A1 (en) * 1991-01-19 1992-07-23 Telefunken Electronic Gmbh Power current circuitry e.g. for DC motor - uses controllable resistor in branch circuit to detect load current regulated in output stage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246648A (en) * 1990-08-04 1992-02-05 Delta Electronic Ind Co Limite A regulated step-down switching circuit for the DC converter of a power supply
WO1994014229A1 (en) * 1992-12-05 1994-06-23 Braun Aktiengesellschaft Automatic load current back regulation
EP0622889A2 (en) * 1993-04-30 1994-11-02 Koninklijke Philips Electronics N.V. Low power pre-regulator power supply circuit
EP0650250A1 (en) * 1993-10-22 1995-04-26 STMicroelectronics S.r.l. DC-to-DC converter operating in a discontinuous mode

Also Published As

Publication number Publication date
JPH07198758A (en) 1995-08-01
CN1052541C (en) 2000-05-17
DE4338714A1 (en) 1995-05-18
GB2284283A (en) 1995-05-31
DE4338714C2 (en) 2000-06-21
GB9422167D0 (en) 1994-12-21
MY112781A (en) 2001-09-29
CN1107975A (en) 1995-09-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051103