ES2156269T3 - Un circuito para diagnosticar el estado de una carga electrica. - Google Patents

Un circuito para diagnosticar el estado de una carga electrica.

Info

Publication number
ES2156269T3
ES2156269T3 ES96830472T ES96830472T ES2156269T3 ES 2156269 T3 ES2156269 T3 ES 2156269T3 ES 96830472 T ES96830472 T ES 96830472T ES 96830472 T ES96830472 T ES 96830472T ES 2156269 T3 ES2156269 T3 ES 2156269T3
Authority
ES
Spain
Prior art keywords
circuit
diagnose
status
electric charge
cdt
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 - Lifetime
Application number
ES96830472T
Other languages
English (en)
Inventor
Angelo Crespi
Stefania Chicca
Paolo Mastella
Vanni Poletto
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.)
STMicroelectronics SRL
Marelli Europe SpA
Original Assignee
STMicroelectronics SRL
Magneti Marelli SpA
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 STMicroelectronics SRL, Magneti Marelli SpA filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of ES2156269T3 publication Critical patent/ES2156269T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • 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
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • 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
    • G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

UN CIRCUITO PARA DIAGNOSTICAR EL ESTADO DE UNA CARGA (LD) INCLUYE UN TRANSISTOR DMOS (DMOS1) INTERPUESTO ENTRE UN TERMINAL (OUT) DE LA CARGA (LD) Y LOS CIRCUITOS COMPARADORES DE VOLTAJE (CDT) PARA LIMITAR LA ENTRADA MAXIMA DE VOLTAJE EN LOS COMPARADORES (CDT) Y REDUCIR EL AREA DEL CIRCUITO QUE ESTA OCUPADA POR LOS COMPARADORES (CDT) Y, CONSECUENTEMENTE, REDUCIR EL COSTE DEL CIRCUITO DE DIAGNOSIS.
ES96830472T 1996-09-17 1996-09-17 Un circuito para diagnosticar el estado de una carga electrica. Expired - Lifetime ES2156269T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830472A EP0829730B1 (en) 1996-09-17 1996-09-17 A circuit for diagnosing the state of an electric load

Publications (1)

Publication Number Publication Date
ES2156269T3 true ES2156269T3 (es) 2001-06-16

Family

ID=8226006

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96830472T Expired - Lifetime ES2156269T3 (es) 1996-09-17 1996-09-17 Un circuito para diagnosticar el estado de una carga electrica.

Country Status (5)

Country Link
US (1) US5886510A (es)
EP (1) EP0829730B1 (es)
JP (1) JPH10104305A (es)
DE (1) DE69611826T2 (es)
ES (1) ES2156269T3 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721366A1 (de) * 1997-05-22 1998-11-26 Bosch Gmbh Robert Elektrische Schaltungsanordnung
EP1118865A1 (en) * 2000-01-20 2001-07-25 STMicroelectronics S.r.l. Circuit and method for detecting load impedance
DE60332314D1 (de) * 2003-04-02 2010-06-10 Semiconductor Components Ind Verfahren und Gerät zum Erkennen eines elektrischen Kurzschlusses und einer offenen Last
DE10335083B3 (de) * 2003-07-31 2004-12-16 Infineon Technologies Ag Schaltungsanordnung und Verfahren zur Lastdiagnose eines Halbleiterschalters
WO2007067590A2 (en) 2005-12-06 2007-06-14 Harman International Industries, Incorporated Diagnostic system for power converter
US7583037B2 (en) 2006-06-23 2009-09-01 Spacesaver Corporation Mobile storage unit with holding brake and single status line for load and drive detection
FR2941795B1 (fr) * 2009-01-30 2011-02-18 Peugeot Citroen Automobiles Sa Circuit de commande et de diagnostic d'une charge electrique commandee par une unite de commande
EP2781927A1 (en) * 2013-03-19 2014-09-24 Delphi Technologies Holding S.à.r.l. Method and apparatus to detect device functionality
US9281746B1 (en) * 2014-10-21 2016-03-08 Infineon Technologies Ag System and method for a diagnostic circuit
IT201600119626A1 (it) * 2016-11-25 2018-05-25 St Microelectronics Srl Circuito di pilotaggio, dispositivo, apparecchiatura e procedimento corrispondenti

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2562256B1 (fr) * 1984-03-30 1986-08-14 Armines Procede et circuit electronique pour la mesure des signaux tres faibles a potentiel eleve
JPS61124227A (ja) * 1984-11-19 1986-06-12 日産自動車株式会社 負荷状態判別装置
JP2542618Y2 (ja) * 1988-08-30 1997-07-30 アルプス電気株式会社 車載用負荷状態検知駆動装置
DE4012109C2 (de) * 1990-04-14 1999-06-10 Bosch Gmbh Robert Vorrichtung zur Funktionsüberwachung eines elektrischen/elektronischen Schaltmittels, seines angeschlossenen Verbrauchers, einer Ansteuerung und seiner Verbindungsleitung
IT1250830B (it) * 1991-07-31 1995-04-21 St Microelectronics Srl Dispositivo di rilevamento di guasto in circuiti di pilotaggio.
US5166549A (en) * 1991-08-07 1992-11-24 General Electric Company Zero-voltage crossing detector for soft-switching devices
US5304935A (en) * 1991-12-17 1994-04-19 Motorola, Inc. Load driver and system with fault detection apparatus for providing a sequence of fault detection logic states
EP0581993B1 (de) * 1992-08-07 1995-03-15 Siemens Aktiengesellschaft Schaltungsanordnung zum Steuern einer Last und zum Erkennen einer Leitungsunterbrechung
US5424663A (en) * 1993-04-22 1995-06-13 North American Philips Corporation Integrated high voltage differential sensor using the inverse gain of high voltage transistors
US5467240A (en) * 1993-09-30 1995-11-14 Caterpillar Inc. Driver circuit with diagnostics and over voltage protection

Also Published As

Publication number Publication date
US5886510A (en) 1999-03-23
DE69611826T2 (de) 2001-06-07
JPH10104305A (ja) 1998-04-24
EP0829730B1 (en) 2001-02-21
DE69611826D1 (de) 2001-03-29
EP0829730A1 (en) 1998-03-18

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