DE10255429A1 - Method for operating an electronic module supplied from an operating voltage source - Google Patents
Method for operating an electronic module supplied from an operating voltage source Download PDFInfo
- Publication number
- DE10255429A1 DE10255429A1 DE10255429A DE10255429A DE10255429A1 DE 10255429 A1 DE10255429 A1 DE 10255429A1 DE 10255429 A DE10255429 A DE 10255429A DE 10255429 A DE10255429 A DE 10255429A DE 10255429 A1 DE10255429 A1 DE 10255429A1
- Authority
- DE
- Germany
- Prior art keywords
- self
- capacitor
- operating voltage
- sufficiency
- operating
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/017—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including arrangements for providing electric power to safety arrangements or their actuating means, e.g. to pyrotechnic fuses or electro-mechanic valves
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Verfahren zum Betreiben einer aus einer Betriebsspannungsquelle versorgten elektronischen Baugruppe mit einer Schaltungseinheit zur Ausführung wenigstens einer Systemfunktion, bei dem im Falle einer Betriebsspannungsunterbrechung die Betriebsspannung von einem Systemautarkiekondensator geliefert wird und die Systemfunktion mittels der von einem Funktionsautarkiekondensator gelieferten Energiereserve aktivierbar ist und bei dem ferner der Systemautarkiekondensator über einen an die Betriebsspannungsquelle angeschlossenen Spannungswandler geladen wird. DOLLAR A Aus der DE 19715571 A1 ist eine Steuerschaltung für Sicherheitseinrichtungen bekannt, bei der ein aus einem Bordnetz gespeister Aufwärtswandler einen Systemautarkiekondensator versorgt, dessen Ladespannung als Betriebsspannung für die nachfolgenden Schaltungseinheiten, insbesondere einem Abwärtswandler, dient, der seinerseits beispielsweise Zündendstufen betriebsspannungsmäßig versorgt, wobei jede dieser Endstufen einen eigenen Zündautarkiekondensator aufweist. DOLLAR A Erfindungsgemäß besteht das Verfahren darin, dass der Funktionsautarkiekondensator über eine Ladeschaltung mit dem Spannungswandler verbunden ist und zur Erfüllung unterschiedlichster Funktionen in unterschiedliche Betriebszustände steuerbar ist, und zwar sowohl in einen Schalterbetrieb zur Taktung des den Funktionsautarkiekondensator ladenden Ladestromes als auch in einen Stromquellenbetrieb, bei dem die Ladeschaltung als gesteuerter Widerstand arbeitet sowohl ...Method for operating an electronic module supplied from an operating voltage source with a circuit unit for executing at least one system function, in which, in the event of an operating voltage interruption, the operating voltage is supplied by a system self-sufficiency capacitor and the system function can be activated by means of the energy reserve supplied by a function self-sufficiency capacitor, and furthermore the system self-sufficiency capacitor is charged via a voltage converter connected to the operating voltage source. DOLLAR A A control circuit for safety devices is known from DE 19715571 A1, in which an up converter fed from an on-board electrical system supplies a system self-sufficient capacitor, the charging voltage of which serves as the operating voltage for the subsequent circuit units, in particular a down converter, which in turn supplies, for example, ignition output stages in terms of operating voltage, each of which of these output stages has its own ignition self-sufficiency capacitor. DOLLAR A According to the invention, the method consists in that the functional self-sufficiency capacitor is connected to the voltage converter via a charging circuit and can be controlled to perform a wide variety of functions in different operating states, both in a switch mode for clocking the charging current charging the functional self-sufficient capacitor and in a current source operation which the charging circuit works as a controlled resistor both ...
Description
Die Erfindung betrifft ein Verfahren zum Betreiben einer aus einer Spannungsquelle versorgten elektronischen Baugruppe gemäß dem Oberbe griff des Patentanspruches 1.The invention relates to a method for operating an electronic supplied from a voltage source Assembly according to the Oberbe handle of claim 1.
Eine solche elektronische Baugruppe
ist aus der
Der Nachteil dieser bekannten elektronischen Baugruppe besteht darin, dass zur Ladung des Systemautarkiekondensators als auch des Funktionsautarkiekondensators ein aufwendiges Verfahren erforderlich ist.The disadvantage of this known electronic Assembly is that for charging the system self-sufficient capacitor and the function self-sufficiency capacitor requires a complex process is.
Die Aufgabe der vorliegenden Erfindung besteht daher darin, ein Verfahren zum Betreiben einer solchen elektronischen Baugruppe anzugeben, das einfach durchzuführen ist und einen geringen Schaltungsaufwand erfordert.The object of the present invention therefore consists in a method of operating such an electronic Specify assembly that is easy to perform and a small Circuitry required.
Diese Aufgabe wird mit den Merkmalen des Patentanspruches 1 gelöst. Hiernach wird der Funktionsautarkiekondensator über eine Ladeschaltung sowohl mit dem Spannungswandler als auch mit dem Systemautarkiekondensator verbunden, wobei diese Ladeschaltung zur Erfüllung unterschiedlichster Funktionen in entsprechende Betriebszustände steuerbar ist. Zur Ladung der beiden Autarkiekondensatoren, also insbesondere während der Einschaltphase der elektronischen Baugruppe, wird die Ladeschaltung in einen Schalterbetrieb gesteuert, um damit den Ladestrom takten zu können. Dagegen wird zur Prüfung des Systemautarkiekondensators als auch zur Erzeugung eines Nachladestromes zur Nachladung des Funktionsautarkiekondensators die Ladeschaltung als steuerbarer Widerstand, also als Stromquelle zur Erzeugung eines konstanten Entladestromes betrieben.This task comes with the characteristics of claim 1 solved. According to this, the self-sufficient capacitor is both via a charging circuit with the voltage converter as well as with the system self-sufficiency capacitor connected, this charging circuit to perform a wide variety of functions in corresponding operating states is controllable. For charging the two self-sufficient capacitors, so especially during the switch-on phase of the electronic assembly, the charging circuit controlled in a switch mode to clock the charging current to be able to. On the other hand, the test of the system self-sufficiency capacitor as well as for generating a recharge current the charging circuit for recharging the functional self-sufficiency capacitor as a controllable resistor, i.e. as a current source for generating a operated constant discharge current.
Mit diesem erfindungsgemäßen Verfahren lassen sich damit neben der zuverlässigen Ladung des Funktionsautarkiekondensators zusätzliche weitere Funktionen erfüllen, insbesondere kann die Prüfung des Systemautarkiekondensators durch dessen Entladung in den Funktionsautarkiekondensator mit der Ladeschaltung gesteuert werden.Leave with this inventive method in addition to the reliable Charging the function self-sufficiency capacitor additional additional functions fulfill, in particular, the exam of the system self-sufficiency capacitor by discharging it into the functional self-sufficiency capacitor can be controlled with the charging circuit.
Das erfindungsgemäße Verfahren lässt sich insbesondere dann in einfacher Weise durchführen, wenn die Ladeschaltung wenigstens ein Transistorelement und einem diesem nachgeschalteten Widerstand aufgebaut ist, insbesondere wenn lediglich ein einziger, mit großer Stromtragfähigkeit ausgebildeter Transistor zwischen die beiden Autarkiekondensatoren in Reihe zu dem Widerstand geschaltet ist.The method according to the invention can in particular be then perform in a simple manner if the charging circuit has at least one transistor element and one of these downstream resistor is built, especially if only one, with great ampacity trained transistor between the two self-sufficient capacitors is connected in series with the resistor.
Bei einer bevorzugten Weiterbildung des erfindungsgemäßen Verfahrens wird der Spannungswandler als Aufwärtswandler ausgebildet.In a preferred further training of the method according to the invention the voltage converter is designed as a step-up converter.
Die Verwendung des erfindungsgemäßen Verfahrens lässt sich mit Vorteil in einem Kfz-Steuergerät für Insassenschutzeinrichtungen einsetzen, bei dem ein Zündautarkiekondensator die Bereitstellung der Zündenergie für die pyrotechnische Auslösung der Sicherheitseinrichtungen als Systemfunktion sichert.The use of the method according to the invention let yourself with advantage in a vehicle control unit for occupant protection devices use a self-sufficient capacitor the provision of ignition energy for the pyrotechnic triggering of the Secures safety devices as a system function.
Das erfindungsgemäße Verfahren soll nachfolgend
anhand eines Ausführungsbeispieles
gemäß
Hierbei zeigt
Die Ladeschaltung
Die angeführten Funktionsgruppen dieser Steuerschaltung
Die Funktion dieser Steuerschaltung
Da die beiden Autarkiekondensatoren
CS und CZ eine sicherheitsrelevante
Funktion, nämlich Sicherstellen
des Betriebes der Steuerschaltung bzw. Bereitstellung von Zündenergie
im Falle eines durch einen Unfall bedingten Ausfalles der Betriebsspannungsquelle,
müssen
diese Kondensatoren einem regelmäßigen Test
unterzogen werden. Der Kondensatortest für den Systemautarkiekondensator CS erfolgt dadurch, dass dieser über die
gesteuerte Ladeschaltung
Aufgrund einer geringen Selbstentladung des
Zündautarkiekondensators
CZ sowie einem geringen Stromverbrauch der
Zündendstufe
Beim Herunterfahren der Steuerschaltung
Die beispielhaft aufgeführte Steuerschaltung
Claims (5)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10255429A DE10255429A1 (en) | 2002-11-28 | 2002-11-28 | Method for operating an electronic module supplied from an operating voltage source |
EP03770886A EP1565978A1 (en) | 2002-11-28 | 2003-09-25 | Method for operating an electronic module supplied with electrical energy by an operating voltage source |
US10/535,740 US20060012941A1 (en) | 2002-11-28 | 2003-09-25 | Method for operating an electronic module supplied with electrical energy by an operating voltage source |
PCT/DE2003/003193 WO2004051822A1 (en) | 2002-11-28 | 2003-09-25 | Method for operating an electronic module supplied with electrical energy by an operating voltage source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10255429A DE10255429A1 (en) | 2002-11-28 | 2002-11-28 | Method for operating an electronic module supplied from an operating voltage source |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10255429A1 true DE10255429A1 (en) | 2004-06-09 |
Family
ID=32308780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10255429A Withdrawn DE10255429A1 (en) | 2002-11-28 | 2002-11-28 | Method for operating an electronic module supplied from an operating voltage source |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060012941A1 (en) |
EP (1) | EP1565978A1 (en) |
DE (1) | DE10255429A1 (en) |
WO (1) | WO2004051822A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005012282A1 (en) * | 2005-03-17 | 2006-09-21 | Conti Temic Microelectronic Gmbh | Circuit for triggering passenger protection device, has ignition energy storage that is rechargeable by electrical system, where charging of storage is interrupted with occurrence of humidity in arrangement |
WO2011138074A3 (en) * | 2010-05-04 | 2012-05-24 | Robert Bosch Gmbh | Control unit for operating a safety system for a vehicle and method for operating such a safety system for a vehicle |
CN110431047A (en) * | 2017-03-27 | 2019-11-08 | 松下知识产权经营株式会社 | Vehicular electric power source device and the vehicle for carrying the vehicular electric power source device |
WO2019238472A1 (en) * | 2018-06-13 | 2019-12-19 | Robert Bosch Gmbh | Emergency energy store for a vehicle |
WO2022073538A1 (en) | 2020-10-05 | 2022-04-14 | Elmos Semiconductor Se | Method for preventing the non-deployment of airbags by short-circuits on feed lines of other airbags |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004010135B4 (en) * | 2004-02-27 | 2013-11-07 | Robert Bosch Gmbh | Device for energizing at least one ignition output by means of an ignition current from an energy reserve |
CN103176053A (en) * | 2011-12-23 | 2013-06-26 | 鸿富锦精密工业(深圳)有限公司 | Measuring circuit for capacity and parasitic resistance of capacitor |
DE102017207578B4 (en) * | 2017-05-05 | 2019-03-07 | Continental Automotive Gmbh | A method for triggering a plurality of actuators of a safety system of a motor vehicle from a power source |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3744524A1 (en) * | 1987-12-30 | 1989-07-20 | Bosch Gmbh Robert | METHOD AND DEVICE FOR VERIFYING CAPACITY |
DE19542085A1 (en) * | 1994-12-30 | 1996-07-04 | Bosch Gmbh Robert | Electronic device |
DE19517698A1 (en) * | 1995-05-13 | 1996-11-14 | Telefunken Microelectron | Determining self sufficiency of safety system in passenger transport vehicle |
DE19715571A1 (en) * | 1997-04-15 | 1998-10-29 | Telefunken Microelectron | Method for operating a power supply device and power supply device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709200A (en) * | 1985-10-21 | 1987-11-24 | Seiko Instruments & Electronics Ltd. | Power source circuit |
DE4418293A1 (en) * | 1994-05-26 | 1995-11-30 | Telefunken Microelectron | Method for activating an output stage for safety devices of a motor vehicle |
DE19732677A1 (en) * | 1997-07-29 | 1999-03-04 | Siemens Ag | Arrangement and method for testing a circuit device which is provided for controlling an occupant protection device of a motor vehicle |
JP3466513B2 (en) * | 1999-08-02 | 2003-11-10 | 日産ディーゼル工業株式会社 | Electric vehicle power system |
US6127804A (en) * | 1999-09-10 | 2000-10-03 | Oglesbee; John Wendell | Lithium ion charging means and method using ionic relaxation control |
DE10025834B4 (en) * | 2000-05-25 | 2005-07-14 | Hilti Ag | Device for generating a low-noise regulated high voltage from a low-voltage supply source |
DE10027007A1 (en) * | 2000-05-31 | 2001-12-06 | Bosch Gmbh Robert | Circuit arrangement for the energy supply of protective devices for vehicle occupants |
-
2002
- 2002-11-28 DE DE10255429A patent/DE10255429A1/en not_active Withdrawn
-
2003
- 2003-09-25 US US10/535,740 patent/US20060012941A1/en not_active Abandoned
- 2003-09-25 EP EP03770886A patent/EP1565978A1/en not_active Withdrawn
- 2003-09-25 WO PCT/DE2003/003193 patent/WO2004051822A1/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3744524A1 (en) * | 1987-12-30 | 1989-07-20 | Bosch Gmbh Robert | METHOD AND DEVICE FOR VERIFYING CAPACITY |
DE19542085A1 (en) * | 1994-12-30 | 1996-07-04 | Bosch Gmbh Robert | Electronic device |
DE19517698A1 (en) * | 1995-05-13 | 1996-11-14 | Telefunken Microelectron | Determining self sufficiency of safety system in passenger transport vehicle |
DE19715571A1 (en) * | 1997-04-15 | 1998-10-29 | Telefunken Microelectron | Method for operating a power supply device and power supply device |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005012282A1 (en) * | 2005-03-17 | 2006-09-21 | Conti Temic Microelectronic Gmbh | Circuit for triggering passenger protection device, has ignition energy storage that is rechargeable by electrical system, where charging of storage is interrupted with occurrence of humidity in arrangement |
WO2011138074A3 (en) * | 2010-05-04 | 2012-05-24 | Robert Bosch Gmbh | Control unit for operating a safety system for a vehicle and method for operating such a safety system for a vehicle |
US9225201B2 (en) | 2010-05-04 | 2015-12-29 | Robert Bosch Gmbh | Control unit for operating a safety system for a vehicle and method for operating such a safety system for a vehicle |
KR101753443B1 (en) * | 2010-05-04 | 2017-07-03 | 로베르트 보쉬 게엠베하 | Control unit for operating a safety system for a vehicle and method for operating such a safety system for a vehicle |
CN110431047A (en) * | 2017-03-27 | 2019-11-08 | 松下知识产权经营株式会社 | Vehicular electric power source device and the vehicle for carrying the vehicular electric power source device |
US11851038B2 (en) | 2018-06-13 | 2023-12-26 | Robert Bosch Gmbh | Emergency energy store for a vehicle |
WO2019238472A1 (en) * | 2018-06-13 | 2019-12-19 | Robert Bosch Gmbh | Emergency energy store for a vehicle |
CN112203914A (en) * | 2018-06-13 | 2021-01-08 | 罗伯特·博世有限公司 | Emergency energy store for a vehicle |
JP2021526472A (en) * | 2018-06-13 | 2021-10-07 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | Emergency energy accumulator for vehicles |
WO2022073538A1 (en) | 2020-10-05 | 2022-04-14 | Elmos Semiconductor Se | Method for preventing the non-deployment of airbags by short-circuits on feed lines of other airbags |
DE102020126014B4 (en) | 2020-10-05 | 2022-07-07 | Elmos Semiconductor Se | Method of preventing airbags from not being deployed due to short circuits in the leads of other airbags |
CN116323330A (en) * | 2020-10-05 | 2023-06-23 | 艾尔默斯半导体欧洲股份公司 | Method for preventing airbag from being undeployed due to lead short circuit of other airbags |
CN116323330B (en) * | 2020-10-05 | 2023-11-24 | 艾尔默斯半导体欧洲股份公司 | Method for preventing airbag from being undeployed due to lead short circuit of other airbags |
DE102020126014A1 (en) | 2020-10-05 | 2022-04-21 | Elmos Semiconductor Se | Method of preventing airbags from not being deployed due to short circuits in the leads of other airbags |
EP4339039A2 (en) | 2020-10-05 | 2024-03-20 | Elmos Semiconductor SE | Method for preventing non-depression of airbags by short circuiting of other airbags |
EP4353544A2 (en) | 2020-10-05 | 2024-04-17 | Elmos Semiconductor SE | Method for preventing non-depression of airbags by short circuiting of other airbags |
EP4353544A3 (en) * | 2020-10-05 | 2024-06-19 | Elmos Semiconductor SE | Method for preventing non-depression of airbags by short circuiting of other airbags |
EP4339039A3 (en) * | 2020-10-05 | 2024-06-19 | Elmos Semiconductor SE | Method for preventing non-depression of airbags by short circuiting of other airbags |
Also Published As
Publication number | Publication date |
---|---|
US20060012941A1 (en) | 2006-01-19 |
EP1565978A1 (en) | 2005-08-24 |
WO2004051822A1 (en) | 2004-06-17 |
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Legal Events
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8141 | Disposal/no request for examination |