GB2284283B - Circuit arrangement for current measurement via a switching transistor - Google Patents
Circuit arrangement for current measurement via a switching transistorInfo
- 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
Links
Classifications
-
- 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
- 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
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit 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)
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)
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)
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)
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 |
-
1993
- 1993-11-12 DE DE4338714A patent/DE4338714C2/en not_active Expired - Fee Related
-
1994
- 1994-08-23 MY MYPI94002209A patent/MY112781A/en unknown
- 1994-11-03 GB GB9422167A patent/GB2284283B/en not_active Expired - Fee Related
- 1994-11-08 JP JP6273774A patent/JPH07198758A/en active Pending
- 1994-11-11 CN CN94118081A patent/CN1052541C/en not_active Expired - Fee Related
Patent Citations (4)
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 |