WO2010052187A2 - Treiberschaltung zum bereitstellen einer lastspannung - Google Patents
Treiberschaltung zum bereitstellen einer lastspannung Download PDFInfo
- Publication number
- WO2010052187A2 WO2010052187A2 PCT/EP2009/064457 EP2009064457W WO2010052187A2 WO 2010052187 A2 WO2010052187 A2 WO 2010052187A2 EP 2009064457 W EP2009064457 W EP 2009064457W WO 2010052187 A2 WO2010052187 A2 WO 2010052187A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- load
- voltage
- unit
- supply voltage
- driver circuit
- 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
Links
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
-
- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1438—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle in combination with power supplies for loads other than batteries
-
- 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
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00369—Modifications for compensating variations of temperature, supply voltage or other physical parameters
- H03K19/00384—Modifications for compensating variations of temperature, supply voltage or other physical parameters in field effect transistor circuits
-
- H02J2105/33—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the invention relates to a driver circuit for providing a load voltage for supplying a load, in particular a load of a vehicle.
- the invention relates to a vehicle.
- the invention further relates to a method for providing a load voltage for supplying a load, in particular a load of a vehicle.
- the invention relates to a program element.
- the invention further relates to a computer-readable storage medium.
- Modern motor vehicles form complex systems of hardware and software.
- automotive regulation and control a large number doctorster STEU ⁇ ergerate is used.
- the totality of all control devices forms a highly networked system based on different bus systems or communication devices.
- the heterogeneity of hardware and software with such a system is highly complex.
- the power supply auto Mobi ⁇ len is a critical component especially with comfortable furnishings.
- different dene loads such as relays, other control units or motors with power or voltage supplied to ⁇ to activate it and to keep active.
- Such relays require some voltage to be activated and low voltage to stay active.
- a driver circuit can be used.
- Conventional semiconductor driver circuits can provide high voltages. If the supply voltage of these driver circuits drops, then However, the driver circuit switched off, since such driver circuits can usually only be operated at high voltages.
- the invention has for its object to provide theistsver ⁇ supply for a load, in particular a load of a vehicle.
- a driver circuit for providing a load voltage for supplying a load, in particular a load of a vehicle, wherein the driver circuit comprises a supply voltage source for providing a supply voltage, a buffer unit for buffering electrical energy the buffer unit is coupled to a supply voltage source for supplying the electrical energy, and has a driver unit, which can be supplied with the electrical energy as required by means of the buffer unit, whereby the load voltage can be provided to the load when the supply voltage drops.
- a vehicle that provides a driver circuit having the features described above for providing a load voltage for supplying a load of a vehicle.
- a method for providing a load voltage for supplying a load, in particular a load of a vehicle is provided, wherein a supply voltage through a
- Supply voltage source is stored, electrical energy is stored in a buffer unit, wherein the buffer unit with a supply supply voltage source is coupled to provide the electrical energy, and wherein the electrical energy is supplied to a drive unit, whereby the load at a drop in the supply voltage, the load voltage can be provided.
- a program for providing a load voltage for supplying a load, in particular a load of a vehicle is stored, which program, when executed by a processor, controls the method steps described above. carried out.
- Em program element (computer program element) according to an exemplary embodiment of the present invention to provide a load voltage for supplying a load, particularly a load of a vehicle, the above-described ⁇ NEN method steps (or controls or leads them through) when is executed by a processor.
- Exemplary embodiments of the present invention can be realized both by means of a computer program, that is to say a software, and by means of one or more special electrical circuits, that is to say in hardware, or in any hybrid form, that is to say by means of software components and hardware components.
- a driver circuit for a vehicle system (for example, an automobile or motor vehicle) is provided, which supplies a load with a load voltage.
- the driver circuit can also be used for various electrical devices.
- Such a driver circuit contains an internal elec- ⁇ sche supply voltage source for providing electrical ⁇ shear energy for powering various loads in the vehicle or can be coupled to such an external voltage source.
- the voltage source may be For example, to a battery act. Electric energy in this context is to be understood as meaning both electrical and electrochemical energy.
- a load can be, for example, a relay, another control unit or motors here.
- An intermediate storage unit is connected to a supply voltage source.
- the supply voltage source may be the supply voltage source of the driver circuit or an external supply voltage source, for example a decoupled battery. While a proper or normal operation of the supply voltage source ⁇ the intermediate storage unit is loaded. This may be, for example, a capacitor or a battery. By charging, the buffer unit provides electrical or electrochemical energy.
- a driver unit may be connected to the intermediate unit. This drive unit, the electric power provided by the insectspei ⁇ cherü with a drop in supply voltage or failure of the supply voltage source, to supply the load with a load voltage. In this case, the supply voltage that has dropped off can be supplied to the load as a load voltage. This can ensure that the load can be supplied even with a drop in the supply voltage at least with a low voltage. For example, a voltage of 1.5 or 2 V may be sufficient to keep relays active.
- driver circuit In the following, preferred embodiments of the driver circuit will be described. These also apply to the procedure, the vehicle, the program element and the computer-readable storage medium.
- the load voltage may be smaller than the supply voltage in a proper operation of the supply voltage source.
- the load voltage may follow the drop in the supply voltage.
- the driver unit can serve to supply the load with the currently available supply voltage.
- the load voltage may be greater than or equal to a load-dependent predetermined threshold. This threshold can be determined from the voltage required for a given load.
- the buffer unit and the driver unit can be dimensioned accordingly.
- the driver unit may be a low-voltage side driver unit. For low voltages this driver unit can be used. Usual driver units were turned off at low voltages.
- the driver unit may be a ground switching element. This can be used as a positive switching element.
- a release unit may be provided which may be coupled between the buffer unit and the driver unit. This release unit can release the power supply for the driver unit, that is, it can close a connection between the buffer unit and the driver ⁇ unit. This allows control of the driver unit.
- the driver circuit may further comprise a high voltage side driver unit, wherein the high voltage side driver unit, the electrical energy can be supplied, and wherein the high voltage side driver unit of the load can provide the load voltage.
- a high voltage side driver unit wherein the high voltage side driver unit, the electrical energy can be supplied, and wherein the high voltage side driver unit of the load can provide the load voltage.
- the high voltage side driver unit may be a positive switching element.
- providing can mean that connections between the load and the supply voltage are closed by the driver units, or that the driver units switch to allow corresponding connections.
- a microcontroller may be provided, which is coupled to the high-voltage side driver unit and the release unit in order to control these. In this way, an optimal and efficient control of the driver units and the provision of the load voltage is made possible.
- the driver units preferably have switches. This can be a simple and inexpensive way to implement the driver units.
- the switches may be transistors, for example MOSFETs, or integrated driver devices.
- the vehicle may be, for example, an automobile (for example a motor vehicle, in particular a passenger car or a lorry). But it is also possible, the erfmdungsgedorfe driver circuit in a train, in a
- Aircraft for example, an airplane, a helicopter or a zeppelin
- Aircraft for example, an airplane, a helicopter or a zeppelin
- to implement in a ship for example, an airplane, a helicopter or a zeppelin
- FIG. 1 shows a schematic driver circuit for a
- Figure 2 shows an exemplary embodiment of a driver scarf ⁇ processing of FIG. 1
- FIG. 3 shows a possible voltage curve of a load without the use of a driver circuit according to the invention.
- FIG. 4 shows possible voltage characteristics in a system using a driver circuit according to the invention.
- Charge pump supply or DC / DC boost converters Charge pump supply or DC / DC boost converters.
- discrete solutions such as bipolar transistors can be used, but these are not compatible with an output current in the can be operated rich of more than 500 mA.
- such solutions do not always meet the specifications of vehicle manufacturers. It is therefore desirable to provide a driver circuit that can provide a satisfactory voltage supply to a load.
- FIG. 1 shows an exemplary embodiment of a driver circuit 100 according to the invention, which provides a voltage supply for a load of a vehicle.
- the driver circuit has a supply voltage source U B , for example a battery.
- An intermediate storage unit 101 is coupled to the supply voltage source U B.
- the latch unit 101 is charged.
- a high-voltage side driver unit
- the driver unit 102 which is connected to the supply voltage source U B operated.
- the driver unit 102 is controlled by a microcontroller 103, wherein the microcontroller 103 and the driver unit 102 are connected.
- the microcontroller 103 controls the driver unit 102 so that a load 104 is supplied with the supply voltage.
- the load 104 is connected to the driver unit 102.
- the driver unit 102 may comprise a transistor, for example a MOSFET.
- the gate terminal is connected to the microcontroller, the dram connection with the supply voltage source U B and the source terminal to the load 104.
- the driver unit 105 is connected on the one hand via a release unit 106 to the latch 101, on the other hand, the driver unit 105 with the supply voltage source U B and further with the load 104 verbun ⁇ the.
- the driver unit 105 may also comprise a transistor, for example a MOSFET, wherein the drain terminal is connected to the supply voltage source U B , the gate terminal to the release unit 106 and the source terminal to the load 104.
- the release unit 106 is further connected to the microcontroller.
- the high-voltage side Driver unit 102 is used to supply the output or the load 104 with the supply voltage.
- the buffer unit 101 is loaded.
- the high-voltage side driver unit 102 is turned off due to a too low voltage.
- the release unit 106 is switched by the microcontroller 103 so that the release unit 106 turns on the connection between the latch unit 101 and the low-voltage side drive unit 105.
- the input of the low voltage side driver unit 105 is then energized by the latch unit 101 whose voltage level is higher than that of the supply voltage.
- the low-voltage side driver unit 105 is activated because the voltage between gate and source
- the virtual grounding potential of this system is the output to the load.
- the high-voltage side driver unit 102 is turned on again.
- the virtual Erdungsspan- voltage level is then close to the supply voltage level and the low side driver unit 105 is again switched from ⁇ .
- the low-voltage side drive unit 105 is turned on to supply the load with a voltage.
- this voltage can drop to 2V.
- the load may, for example, be a relay which may remain activated even at a low voltage.
- FIG. 2 shows a further exemplary embodiment of a driver circuit 100 according to the invention.
- the latch unit 101 may have, for example, a capacitor 111 which is charged during normal operation.
- the intermediate storage unit has in this case further ver ⁇ different resistors and diodes.
- the microcontroller 103 controls a switch 120, for example a transistor, in the release unit 106, as a result of which a further switch 121, for example a MOSFET, switches through in the enable unit so that the low-voltage-side driver unit 105 is supplied with a voltage from the Buffer unit 101 is supplied.
- the latch unit 101 may be a Batte ⁇ rie further provides an electrochemical energy.
- the low-voltage side driver unit 105 then provides a minimum voltage to the load 104.
- the high voltage side driver unit 102 may include a switch 125 instead of a transistor.
- a possible voltage waveform of the supply voltage is shown.
- the supply voltage U B drops in this case to the value U 3 , and remains at this value over a longer period.
- a conventional driver circuit was switched off without the use of a driver circuit according to the invention and an external load was no longer supplied.
- FIG. 4 shows a voltage curve with the use of a driver circuit according to the invention.
- the supply voltage U B and the output voltage U ou t / which is the ⁇ supplied leads are 12 V, as well as the voltage U z in the buffer.
- the supply voltage U B drops below 4V, the output voltage U out follows.
- the supply voltage U B rises again to 12V, as does the output voltage U out following it.
- the voltage U z in the buffer also drops at the time t1, since it is no longer charged by the supply voltage U B , but drops only to 8V at time t2. This ensures a power supply for the low-voltage side driver unit.
- the low-voltage side driver unit is turned on by the release unit 106, which is already turned on by the microcontroller at a time t ⁇ .
- Can t ⁇ time both lie in time before the drop of the supply voltage U B the time tl, but can also be at the same time at the time tl. If the release unit activates the low-voltage side driver unit before the supply voltage drops, it is achieved that the voltage at the input to the load is intercepted in good time. This may be necessary for some loads, but for other loads it may also be sufficient to activate the low-voltage side driver unit only at time t1. Activation in the time between t1 and t2 is also possible.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Electronic Switches (AREA)
- Direct Current Feeding And Distribution (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200980144350.2A CN102204102B (zh) | 2008-11-05 | 2009-11-02 | 用于提供负载电压的驱动电路 |
| JP2011535088A JP5362021B2 (ja) | 2008-11-05 | 2009-11-02 | 負荷電圧を供給するためのドライバ回路、方法、コンピュータ読出し可能な記憶媒体およびプログラム要素 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008055956.3 | 2008-11-05 | ||
| DE102008055956A DE102008055956A1 (de) | 2008-11-05 | 2008-11-05 | Treiberschaltung zum Bereitstellen einer Lastspannung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2010052187A2 true WO2010052187A2 (de) | 2010-05-14 |
| WO2010052187A3 WO2010052187A3 (de) | 2010-10-07 |
Family
ID=42063087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2009/064457 Ceased WO2010052187A2 (de) | 2008-11-05 | 2009-11-02 | Treiberschaltung zum bereitstellen einer lastspannung |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5362021B2 (de) |
| CN (1) | CN102204102B (de) |
| DE (1) | DE102008055956A1 (de) |
| WO (1) | WO2010052187A2 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9007117B2 (en) * | 2013-08-02 | 2015-04-14 | Infineon Technologies Dresden Gmbh | Solid-state switching device having a high-voltage switching transistor and a low-voltage driver transistor |
| EP3057233B1 (de) | 2013-10-10 | 2018-03-14 | AutoNetworks Technologies, Ltd. | Stromversorgungssteuerungsvorrichtung |
| EP2903123B1 (de) * | 2014-01-29 | 2017-06-28 | Per Anders Forsberg | Sicherheitsvorrichtung, die zum Einbau in den Stromkreis eines Fahrzeugs angepasst ist |
| US10079594B2 (en) * | 2016-10-03 | 2018-09-18 | Infineon Technologies Ag | Current reduction for activated load |
| DE102016220279A1 (de) * | 2016-10-17 | 2018-04-19 | Robert Bosch Gmbh | Schaltungsanordnung zur Vorladung einer Zwischenkreiskapazität eines Hochvolt-Bordnetzes |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106796A (ja) * | 1990-08-27 | 1992-04-08 | Fujitsu Ltd | 電圧切換回路および半導体記憶装置 |
| DE4138943C1 (de) * | 1991-11-27 | 1993-05-27 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
| JP2931776B2 (ja) * | 1995-08-21 | 1999-08-09 | 三菱電機株式会社 | 半導体集積回路 |
| JP3732884B2 (ja) * | 1996-04-22 | 2006-01-11 | 株式会社ルネサステクノロジ | 内部電源電圧発生回路、内部電圧発生回路および半導体装置 |
| DE19720191C1 (de) * | 1997-05-14 | 1998-04-23 | Siemens Ag | Pufferschaltung für den Ausgang eines Mikroprozessors |
| JP3608472B2 (ja) * | 2000-04-21 | 2005-01-12 | 株式会社デンソー | 出力回路 |
| JP3947906B2 (ja) * | 2001-08-30 | 2007-07-25 | 株式会社日立製作所 | バックアップ電源と電源装置 |
| US7054168B1 (en) * | 2004-11-10 | 2006-05-30 | Astec International Limited | Undershoot eliminator circuit and method for synchronous rectified DC-DC converters |
| US7325524B2 (en) * | 2005-02-02 | 2008-02-05 | Tai-Her Yang | Ignition/fuel injection system with auxiliary and separation charging power sources |
| JP4930263B2 (ja) * | 2006-12-25 | 2012-05-16 | パナソニック株式会社 | 蓄電装置 |
-
2008
- 2008-11-05 DE DE102008055956A patent/DE102008055956A1/de not_active Withdrawn
-
2009
- 2009-11-02 CN CN200980144350.2A patent/CN102204102B/zh not_active Expired - Fee Related
- 2009-11-02 JP JP2011535088A patent/JP5362021B2/ja not_active Expired - Fee Related
- 2009-11-02 WO PCT/EP2009/064457 patent/WO2010052187A2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008055956A1 (de) | 2010-05-06 |
| JP5362021B2 (ja) | 2013-12-11 |
| JP2012507964A (ja) | 2012-03-29 |
| WO2010052187A3 (de) | 2010-10-07 |
| CN102204102A (zh) | 2011-09-28 |
| CN102204102B (zh) | 2014-07-16 |
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