EP1999850A1 - Dispositif de circuit avec une fonctionnalité réglable et composant électronique - Google Patents

Dispositif de circuit avec une fonctionnalité réglable et composant électronique

Info

Publication number
EP1999850A1
EP1999850A1 EP07726717A EP07726717A EP1999850A1 EP 1999850 A1 EP1999850 A1 EP 1999850A1 EP 07726717 A EP07726717 A EP 07726717A EP 07726717 A EP07726717 A EP 07726717A EP 1999850 A1 EP1999850 A1 EP 1999850A1
Authority
EP
European Patent Office
Prior art keywords
circuit
functionality
circuit arrangement
integrated circuit
status signal
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.)
Ceased
Application number
EP07726717A
Other languages
German (de)
English (en)
Inventor
Ralf Förster
Thomas FROHNHÖFER
Dieter Sass
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive 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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1999850A1 publication Critical patent/EP1999850A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/1731—Optimisation thereof

Definitions

  • the invention relates to a circuit arrangement with switchable functionality and an electronic component with egg ⁇ ner such a circuit arrangement.
  • Diagnostic circuits are adapted to detect the state of a circuit or a part thereof and, where appropriate, to evaluate, so that errors are detected early NEN ⁇ Kgs.
  • the diagnosis can be more or less elaborate remplistal ⁇ tet. Often it is sufficient to obtain information about whether the circuit to be diagnosed has an error or not. For many applications, however, this simple type of diagnosis is not sufficient. For example, a faulty circuit arrangement can still be functional. Conversely, several different Feh ⁇ ler occur that are important for the functioning of the circuitry to evaluate differently. Also want to know in particular for the purpose of debugging, what kind of error is to match ⁇ initiate the action. In the case of an antenna circuit to be diagnosed, the following states exist, for example:
  • the simple diagnosis distinguishes only the case (a) from the other cases (b) - (f).
  • a distinction of the error cases (b) - (f) is not possible here.
  • This requires an advanced diagnostic circuit with a simplified diagnostic function compared to the simple diagnosis, which is designed to differentiate between the different error cases (b) - (f).
  • this means that appropriate diagnostic circuits must be provided depending on the type and desired functionality of the diagnosis.
  • this manufacturing technology is relatively complex, since the respective differ in their function afford defenceli ⁇ Chen diagnostic circuits can be produced only in a relatively small number, but overall leads to higher costs of the individual diagnostic circuits.
  • a further possible solution would be that by switching an externally attached to the diagnostic circuit switch the full or the reduced functionality of the diagnostic circuit is set.
  • the problem here is that the manufacturer of control units with diagnostic circuit would like to have the opportunity on the one hand to offer a comparatively expensive diagnosis with full functionality or on the other hand, a comparatively cheaper Di ⁇ agnosesclien with reduced functionality and distribute.
  • the functionality of this would have the disadvantage that ality at a far more economical kos ⁇ diagnostic circuit with reduced functionality, the user after purchase to the full func ⁇ the diagnostic circuit can switch, although he has not paid for this complete functionality.
  • the present invention has the object, determine a production technique very simple circuit arrangement with switchable functionality readiness that allows particularly easy recognition of ge ⁇ desired functionality.
  • a circuit arrangement with switchable functionality with a first integrated circuit which has complete functionality in a first mode of operation and which in at least one further mode of operation has a complete compared to the functionality has reduced functionality, with an output terminal to which a coupling element can be coupled, with a recognition ⁇ device , which detects when the output terminal is acted upon via the coupling element with a first supply potential and in this case, a status signal with a first value generates and otherwise generates a status ⁇ signal with a second value, with a setting ⁇ device that adjusts the full or the reduced functionality depending on the value of the status signal in the first integrated circuit.
  • An electronic component, a circuit arrangement are arranged according to one of the pre-take precedence claims and at least one ⁇ properly spaced from the Heidelbergungsan area of contact with a carrier element on which at least, with an at least partially closed housing within which the carrier element is disposed, wherein Ü is in the first mode, the output terminal with the Kotakt materials via the switching element is connected, and is separated in the second mode, the output terminal of the fully akt requirements feces ⁇ and decoupled.
  • the idea of the present invention is that, in an inventive circuit arrangement has a full functionality and reduced contrast functionali ⁇ ty of an integrated circuit such.
  • Output terminal or the coupling pad coupled coupling element is connected to a defined supply potential. Depending on whether the Kop ⁇ pelelement is coupled to the output terminal or bond pad or not, this sets a defined different potential, which can be recognized ⁇ by means of a specially provided detection device. By attaching or not attaching a coupling element to the output terminal or the bonding harid can thus to a certain extent to realize a switch function and in this way each gene between the volliffi ⁇ and distinguish the reduced functionality. By evaluating the state thus recognized, the complete or reduced functionality can then be set with a dedicated adjustment device.
  • the circuit arrangement according to the invention which has the integrated circuit with complete and reduced functionality and the corresponding bond pad or the output terminal with the coupling element, is typically arranged in a dedicated electronic component.
  • Leadframes with synthetic resin is advantageously an after ⁇ prayeren modification of the circuit arrangement, for example by unlocking the special properties, without destruction of the housing and thus the electronic component no longer possible.
  • a high Si ⁇ is given certainty, since such a coupling element can not be more appropriate or at least only with very great effort to the output terminal and the bond pad later.
  • the first tegrated in ⁇ circuit comprises a diagnostic circuit for diagnosing the condition of circuit elements of a second integrated circuit within the circuit arrangement.
  • the first integ ⁇ -configured circuit for example as a measuring circuit, control circuit, control circuit, etc.
  • the diagnostic circuit in the complete functionality is designed to perform a minimum to ⁇ 3-bit diagnosis.
  • the diagnostic circuitry is designed to perform a 1-bit or 2-bit diagnostic.
  • the first integrated circuit has a switching device for setting the functionality of the first integrated circuit.
  • the second integrated circuit has, for example, a bridge circuit, in particular an H-bridge.
  • a bridge circuit in particular an H-bridge.
  • the second integrated circuit it would also be conceivable to design the second integrated circuit as antenna circuit, measuring circuit, control circuit, control circuit, etc.
  • the circuit arrangement according to the invention can be produced particularly inexpensively.
  • the detection means comprises impedance on the one hand supply connection with a Versor- verbun to a second supply potential ⁇ and the other hand, processing with a tap between the bond pad and the output terminal and the Einstelleinrich ⁇ at which the status signal can be tapped is connected is.
  • the impedance is designed as a resisitive element, in particular as a resistor. Conceivable all ⁇ would now also a capacitive or inductive element as Impe ⁇ impedance.
  • a further embodiment provides an evaluation device which evaluates the status signal and generates a control signal for adjusting the functionality of the first integrated circuit depending on the value of the status signal.
  • the coupling element is designed as a bonding wire, which is bonded to the bonding pad.
  • the Koppelele ⁇ mentes as external bridge or as interconnection metallization (mask connection), for example on the lead frame or the board.
  • Fig. 1 is a block diagram of an inventive
  • FIG. 1 block diagrams with sections of the circuit arrangement according to the invention from FIG. 1 for explaining the adjustable functionality of an integrated circuit
  • Fig. 3 is a block diagram of an electronic component with a circuit arrangement according to the invention.
  • Fig. 1 shows a designated reference numeral 1 fiction, ⁇ contemporary circuit arrangement with adjustable functionality.
  • the circuit arrangement 1 according to the invention has a first part 2 and a second part 3 of an integrated circuit.
  • the first part 2 of the integrated circuit is a diagnosis circuit
  • the second part 3 of the integrated circuit is a circuit 3 to be diagnosed by the diagnosis circuit 2, for example a bridge circuit.
  • the diagnostic circuit 2 in turn contains a first circuit part 4, which provides a complete functionality for the diagnosis, and a second circuit part 5, which has a contrast reduced functionality for the diagnosis ⁇ .
  • the circuit part 5 with reduced functionality is typically, but not necessarily, inventory ⁇ part of the first circuit part 4 with full diagnostic functionality.
  • a bonding pad 6 To adjust the functionality of the diagnostic circuit 2 further comprises a bonding pad 6, a recognition ⁇ device 7, the evaluation device 8, and an adjusting means 9 are provided according to the invention.
  • a coupling element 10 To the bond pad 6, which typi cally ⁇ represents a contactable contact surface, a coupling element 10 is coupled.
  • the coupling element 10 is indicated in dashed lines in Fig. 1 only.
  • This Kop ⁇ pelelement 10 can be open a potential on the bond pad 6 be ⁇ .
  • the recognition device 7 is designed to detect whether a coupling element 10 is applied to the bond pad 6 or not. 7 depending generates the detection means, a status signal VS having a first signal level, and in the case of ei ⁇ nes not coupled the coupling member 10 having a second signal level in the case of a coupled coupling element 10th
  • the status signal VS is then fed to the evaluation device 8, which evaluates the signal level of Sta ⁇ tussignals VS and depending on the setting device 9 supplies a corresponding control signal Sl.
  • the Adjuster 9 is connected to the first integrated circuit.
  • the adjusting device 9 is designed as a function of the control signal S1 to activate either the first circuit part 4 or the second circuit part 5.
  • the adjusting device 9 may be formed, for example, as a switch.
  • the first integrated circuit 2 is designed to diagnose the function of the second integrated circuit 3. Depending on which of the two circuit parts 4, 5 of the first integrated circuit 2 is activated, a complete diagnosis by means of the first circuit part 4 or a diagnosis reduced by means of the circuit part 5 takes place.
  • the detection circuit 7, the evaluation circuit 8 and the setting circuit 9 have been shown as separate circuit blocks, it goes without saying that they can also be part of the first integrated circuit 2.
  • all circuit parts 2, 3, 6, 7, 8, 9 or parts thereof may be integrated together in a single semiconductor chip or may be formed separately from each other.
  • the identification device 7 has an impedance 13. It is assumed that the impedance 7 is formed as a resistor 13.
  • the resistor 13 is on the one hand connected to a first supply terminal 14, to which a first supply potential VDD is applied, for example a positive supply potential VDD, and on the other hand to a tap 15 which is arranged between the bond pad 6 and the evaluation device 8.
  • a contact surface 11 spaced from the bonding pad 6 is further provided.
  • the contact surface 11 is connected to a second supply terminal 12 with a second supply potential GND, for example the potential of the reference ground GND.
  • the bonding pad 6 through a, for example, as a bonding wire 10 formed coupling element 10 with the contact surface 11 is connected ⁇ . Through this coupling of the bond pad 6 and the contact surface 11 through the bonding wire 10 turns on
  • tap 15 picks up the second supply potential GND.
  • such a bonding wire in the Anord ⁇ voltage is missing in Fig. 2B, so that the decoupled in Fig. 2B, the bonding pad 2 completely from the contact surface 11. This decoupling causes, due to the pull-up
  • the corresponding evaluation takes place in the evaluation device 8, which determines the value of the status signal VS.
  • a simple comparator or any comparator can be provided.
  • the evaluation device 8 generates the control signal Sl, which is a measure of the value of the status signal VS and wel ⁇ ches thus for controlling the adjusting means can be subjected herange-. 9
  • Fig. 3 shows a schematic representation of an electronic ⁇ rule component 20 with an inventive circuit arrangement 1, as shown in Fig. 1.
  • the component 20 has a housing 21 with a plurality of out of the housing
  • connection pins 22 are used for the electrical contacting of a support element arranged inside the housing 21, for example one Board or a leadframe.
  • a semiconductor chip 24 and the contact surface 11 is applied, where ⁇ at the contact surface 11 is spaced from the semiconductor chip 24.
  • the semiconductor chip 24 includes, in this exemplary example, an integrated circuit 25 having the circuit elements 2 to 5 and 7 to 9 of the circuit arrangement 1 in tegrated in ⁇ form.
  • the bonding pad 6 is further applied, which is connected via the bond ⁇ wire 10 with the contact surface 11.
  • the invention is in particular not extend to as Diagno ⁇ seschari trained integrated circuit is limited, but can be applied to other circuits. Furthermore, it must be the second circuit portion is not necessarily formed as a bridge circuit, but may, for example the like be formed as an antenna circuit, tung as control scarf or ⁇ .
  • the function of the identification device, evaluation device and setting device can also be designed differently, for example by a microcontroller.
  • a pull-down resistor would be conceivable instead of the design of the detection device as a PuIl-up resistor. In this case, only the sign of the supply potentials would be reversed, that is, on the pull-down resistor would bear a negative potential or the reference potential and clock face on the con ⁇ would bear a positive potential.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Tests Of Electronic Circuits (AREA)

Abstract

L'invention concerne un dispositif de circuit avec une fonctionnalité réglable avec un premier circuit intégré qui présente une fonctionnalité complète dans un premier type de fonctionnement et qui présente une fonctionnalité réduite par rapport à la fonctionnalité complète dans au moins un autre type de fonctionnement, avec un connecteur de sortie (6) qui peut être couplé avec un élément de couplage (10), avec un dispositif de reconnaissance (7) qui reconnaît si le connecteur de sortie (6) est soumis à un premier potentiel d'alimentation (GND) au moyen de l'élément de couplage (10) et qui produit dans ce cas un signal d'état (VS) avec une première valeur (GND) et qui sinon produit un signal d'état (VS) avec une seconde valeur (VM), avec un dispositif de réglage qui règle la fonctionnalité complète ou réduite dans le premier circuit intégré en fonction de la valeur du signal d'état (VS). L'invention concerne en outre un composant électronique comportant un tel dispositif de circuit.
EP07726717A 2006-03-14 2007-03-08 Dispositif de circuit avec une fonctionnalité réglable et composant électronique Ceased EP1999850A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006011726A DE102006011726A1 (de) 2006-03-14 2006-03-14 Schaltungsanordnung mit umschaltbarer Funktionalität und elektronisches Bauteil
PCT/EP2007/052190 WO2007104701A1 (fr) 2006-03-14 2007-03-08 Dispositif de circuit avec une fonctionnalité réglable et composant électronique

Publications (1)

Publication Number Publication Date
EP1999850A1 true EP1999850A1 (fr) 2008-12-10

Family

ID=38048058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726717A Ceased EP1999850A1 (fr) 2006-03-14 2007-03-08 Dispositif de circuit avec une fonctionnalité réglable et composant électronique

Country Status (4)

Country Link
US (1) US7956626B2 (fr)
EP (1) EP1999850A1 (fr)
DE (1) DE102006011726A1 (fr)
WO (1) WO2007104701A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015218959A1 (de) 2015-09-30 2017-03-30 Zf Friedrichshafen Ag Diagnose eines Steuergeräts
CN111380568A (zh) * 2020-03-06 2020-07-07 宁波飞芯电子科技有限公司 阵列型传感器及其信号输出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4990996A (en) * 1987-12-18 1991-02-05 Zilog, Inc. Bonding pad scheme
EP0810444A1 (fr) 1996-05-31 1997-12-03 STMicroelectronics S.r.l. Circuit diagnostique de défauts éventuels pendant la phase d'entraînement d'une charge électrique par un étage en pont
DE19961148C1 (de) * 1999-12-17 2001-09-06 Siemens Ag Integrierter elektronischer Baustein zur externen Funktionsbeeinflussung sowie dazugehöriges Verfahren
US6525560B1 (en) 2001-12-12 2003-02-25 Xilinx, Inc. Method and structure for shipping a die as multiple products
DE10309600A1 (de) * 2003-03-05 2004-09-16 Delphi Technologies, Inc., Troy Sicherungssystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007104701A1 *

Also Published As

Publication number Publication date
US7956626B2 (en) 2011-06-07
US20090066355A1 (en) 2009-03-12
DE102006011726A1 (de) 2007-09-20
WO2007104701A1 (fr) 2007-09-20

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