Classifications

• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B19/00—Programme-control systems
  • G05B19/02—Programme-control systems electric
  • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
  • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B19/00—Programme-control systems
  • G05B19/02—Programme-control systems electric
  • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
  • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
  • G05B19/0428—Safety, monitoring
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
  • H02M3/00—Conversion of dc power input into dc power output
  • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
  • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
  • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
  • H02M3/125—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
  • H02M3/135—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
  • H02M3/137—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B2219/00—Program-control systems
  • G05B2219/20—Pc systems
  • G05B2219/23—Pc programming
  • G05B2219/23282—Detect erroneous instructions in asic systems
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B2219/00—Program-control systems
  • G05B2219/20—Pc systems
  • G05B2219/25—Pc structure of the system
  • G05B2219/25258—ASIC

Definitions

• Control chip for providing the basic functionality of a controller
• Control chip for providing the basic functionality of an engine control unit
• the invention relates to a control (peripheral / power amplifier) chip for providing the basic functionality of a control device according to claim 1, which is also referred to below as a U-chip.
• Modern control devices in particular for motor control, consist of a computer core (micro-controller) and a peripheral chipset for realizing the required hardware functions.
• This peripheral chipset typically consists of various application-specific integrated chipsets
• ASICs Application Circuits
• partitioning The division of the required hardware functions among the various ASICs and modules.
• a prior art peripheral ECU chipset of the prior art engine control typically has 2 ASIC partitioning.
• a first ASIC (ASIC 1) which has the following components: a power supply (switching regulator, which can also be configured as a linear regulator) with four different output voltages; three 5V encoder supplies, two of which can be independently configured to 3, SV output voltage, where the encoder supplies are diagnosable for short circuit to ground and short to battery voltage; a monitoring module; a driver for bidirectional interfaces; a CAN driver with wake-up functionality; a tracking control; a main relay output stage with fault diagnosis Short circuit to battery voltage, short circuit to earth, load drop and overtemperature; a stop counter, and a bidirectional serial interface (SPI) to communicate with the microcontroller.
• a power supply switching regulator, which can also be configured as a linear regulator
• three 5V encoder supplies two of which can be independently configured to 3, SV output voltage, where the encoder supplies are diagnosable for short circuit to ground and short to battery voltage
• a monitoring module a driver for bidirectional interfaces
• a CAN driver with wake-up functionality a tracking control
• a second ASIC (ASIC 2) has the following components: Power output stages with nominal currents of 1.1 A to 3 A; a diagnostic function for faults short circuit to battery voltage, short circuit to earth, load drop and excess temperature; a 5V supply voltage monitoring; a bidirectional serial interface for communicating with the microcontroller, and a unidirectional serial interface ( ⁇ s bus) for controlling the power amplifiers.
• DE 103 34 014 describes a peripheral chipset in which the basic functionality of a controller as described above is partitioned onto two ASICs. Depending on the requirements of the hardware functions, additional blocks are required.
• a control chip comprising a power supply with at least two, in particular three, output voltages; at least two, in particular three encoder supplies, in particular with 5 V or 3.3 V output voltage; at least one driver for bidirectional interfaces; a CAN driver; a tracking control; a main relay output stage with diagnostic function; at least one bidirectional serial interface for controlling the power amplifiers and communicating with a microcontroller; at least six power output stages, in particular with nominal currents of 0.6 A to 3 A; at least one small signal output stage, in particular with nominal currents of 50 rtiA, and four ignition drivers.
• An essential point of the present invention is that the benefits of high integration are exploited to realize innovative partitioning for base segment controllers.
• the hardware functions represented by ASIC 1 and 2 as well as possibly also by extension ICs can be applied to the elementary functions, which are eg. B. in an engine control unit of the base segment can be reduced, resulting in a cost savings.
• redundant ASIC circuit parts such. B. power supply and SPI (single-point injection) on each ASIC 1 and 2 by their integration with expansion ICs on a U-chip, which has a further cost savings.
• ASIC packaging will be reduced by at least two to one, which will again save costs.
• the space requirement on the printed circuit board is also reduced, whereby a loss of usefulness with additional cost advantages Part is created.
• the ⁇ s bus can be consistently used to reduce the number of lines and the device pins.
• the diagnostic function can be designed to detect faulty conditions, in particular for short circuit to battery voltage, short circuit to ground, load drop or excess temperature.
• OBD off-board diagnostics
• an additional module may be provided for its monitoring.
• the controller checks itself by z. For example, a memory with test patterns is written and read again, and a comparison with checksums ensures that data and programs are stored correctly.
• An additional driver for serial interfaces can be used to connect devices that require such drivers.
• So z. B. the above-mentioned test device can be used, which usually uses a serial communication interface (ISO 9141) with a free baud rate of 10 to 10 kBaud.
• ISO 9141 serial communication interface
• additional power output stages in particular with nominal currents of 0.6 A to 3 A, can be integrated in the U-chip.
• an engine control unit such as the setting of the driver desired operating condition can thus z.
• transmission and air conditioning are controlled.
• two additional small signal stages in particular with nominal currents of 50 mA, can be provided. This allows more small devices with low control voltage such. Relays, displays, etc. can be controlled.
• two VoIl-H bridges can be provided, which allow the control of devices with high control voltage at the same time small footprint of the bridges. These can optionally be configured as single high-side and low-high-side switches to ensure high adaptability to the respective operating conditions.
• This adaptability is increased by also the encoder supply from 3.3 V to 5 V is configurable.
• the U chip is suitable for a control unit, in particular for an engine control unit of a future generation, and in particular for gasoline and diesel engines.
• the engine control unit can be designed as a control device for an engine management system, in particular a fuel injection system.
• the peripheral chip set is formed modularly from integrated application-specific elementary switching circuits for providing a basic functionality of the control device and optionally with application-specific integrated supplementary circuits for providing requirements beyond the basic functionality to the control device. Due to the flexible and modular design of the peripheral chip set, which is constructed according to the requirements, an individual size adaptation to specific functionalities of a control unit can be realized.
• the chip 10 has a power supply, three sensor supplies 1 - 3, a main relay stage with diagnostics and tracking control, four ignition drivers, one driver for a bidirectional interface, a small signal stage 50 rtiA, three output voltages 1 - 3, a bidirectional serial interface to the controller, a CAN driver and six output stages 0.6 A - 3 A as a base segment on.
• a further driver for a bidirectional interface two small-signal stages 50 rtiA, two VoIl-H bridges, an additional monitoring module and a further six output stages 0.6 A - 3 A are provided, which are each indicated by dashed lines.
• the components outside the voltage and Geberversorgun- gene as well as the output voltages communicate with one another through a serial connection 11.
• the respective input and / or output terminals 12, 12 ', 12 ff of the components are shown by corresponding arrows to its edge 13 side.
• the chip 10 may be designed according to the figure. Due to the possibility of flexible and modular construction of the chip 10, hardware functions of the control unit beyond the basic segment can be supplemented individually. Optional components of the chip 10 as shown in the figure may be replaced by other components as appropriate.
• the partitioning of the peripheral chipset is adapted to future requirements.
• An additional advantage of the new partitioning is in particular its great flexibility.
• the basic functionality of a control unit is already presentable with an electronic unit or ASIC.
• individual basic functionalities can be provided with an electronic unit or ASIC modular. Thus, it is not necessary that complex ASICs be used for these basic functions.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Power Engineering (AREA)
• Combined Controls Of Internal Combustion Engines (AREA)
• Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
• Microcomputers (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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• 2005
  • 2005-08-08 DE DE102005037264A patent/DE102005037264A1/de not_active Withdrawn
• 2006
  • 2006-08-04 EP EP06792712A patent/EP1915654A1/de not_active Ceased
  • 2006-08-04 CN CN200680029624XA patent/CN101243363B/zh not_active Expired - Fee Related
  • 2006-08-04 JP JP2008525557A patent/JP2009505190A/ja active Pending
  • 2006-08-04 US US11/990,146 patent/US8583345B2/en not_active Expired - Fee Related
  • 2006-08-04 KR KR1020087002750A patent/KR20080046629A/ko not_active Application Discontinuation
  • 2006-08-04 WO PCT/EP2006/065087 patent/WO2007017477A1/de active Application Filing
  • 2006-08-04 RU RU2008108470/09A patent/RU2008108470A/ru not_active Application Discontinuation

Non-Patent Citations (1)

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