# US 11,909,254 B2 · Motor vehicle control device having a switch-on and switch-off function for at least one electrical consumer that is to be controlled by the motor vehicle control device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,254 B2 - Document ID: US11909254B2 - Status: Granted - Kind: B2 - Application number: 17/436,235 - Filed: 2020-03-02 - Published: 2022-05-19 - Granted: 2024-02-20 - Earliest claimed: 2019-03-07 - Assignees: Thyssenkrupp Presta AG; thyssenkrupp AG - Applicants: thyssenkrupp Presta AG; thyssenkrupp AG - Inventors: Adam Neveri - Web page: https://patentgrep.com/patent/US11909254B2 ## CPC - H02J 9/06: with automatic change-over {, e.g. UPS systems} - B60R 16/03: for supply of electrical power to vehicle subsystems {or for (circuit arrangements for charging batteries H02J7/00)} - B62D 5/0457: {characterised by control features of the drive means as such} - B62D 5/0481: {monitoring the steering system, e.g. failures} - B62D 15/021: {Determination of steering angle} - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) ## Abstract A motor vehicle control device may have a switch-on and switch-off function for at least one electrical load to be controlled by the motor vehicle control device. The motor vehicle control device may include an electronic switching element for arrangement in a supply voltage path of the electrical load and a control unit for controlling the electronic switching element. The control unit is designed to provide a control signal for switching the electronic switching element based on at least one input signal. The control unit may include a resistor connected to the supply voltage path and a current control means connected in series therewith for generating a predefinable voltage difference at the resistor as the control signal for the electronic switching element. ## Claims ### Claim 1 A motor vehicle control device having a switch-on and switch-off function for an electrical load to be controlled by the motor vehicle control device, the motor vehicle control device comprising: an electronic switching element configured to be disposed in a supply voltage path of the electrical load; and a control unit for controlling the electronic switching element, wherein the control unit is configured to provide a control signal for switching the electronic switching element based on an input signal, and wherein the control unit comprises a resistor connected to the supply voltage path and a current control means connected in series therewith for generating a predefinable voltage difference at the resistor as the control signal for the electronic switching element. ### Claim 2 (depends on 1) The motor vehicle control device of claim 1 wherein the current control means comprises a bipolar transistor having negative feedback. ### Claim 3 (depends on 2) The motor vehicle control device of claim 2 wherein a base of the bipolar transistor is connected, via a voltage divider, to a controlled voltage source that provides a controlled output voltage based on the input signal. ### Claim 4 (depends on 1) The motor vehicle control device of claim 1 wherein the electronic switching element is a MOSFET that is controllable by way of the predefinable voltage difference that can be tapped off at the resistor as a gate-source voltage. ### Claim 5 A motor vehicle control device having a switch-on and switch-off function for an electrical load to be controlled by the motor vehicle control device, the motor vehicle control device comprising: an electronic switching element configured to be disposed in a supply voltage path of the electrical load; and a control unit for controlling the electronic switching element, wherein the control unit is configured to provide a control signal for switching the electronic switching element based on an input signal, wherein the input signal is an ignition signal of a motor vehicle, or wherein the electrical load is a steering actuating drive of a motor vehicle, or wherein the electrical load is integrated in the motor vehicle control device. ### Claim 6 A motor vehicle control device having a switch-on and switch-off function for an electrical load to be controlled by the motor vehicle control device, the motor vehicle control device comprising: an electronic switching element configured to be disposed in a supply voltage path of the electrical load; and a control unit for controlling the electronic switching element, wherein the control unit is configured to provide a control signal for switching the electronic switching element based on an input signal, wherein the supply voltage path is a first supply voltage path, wherein the motor vehicle control device comprises a second supply voltage path for uninterrupted power supply of direct loads to be controlled by the motor vehicle control device. ### Claim 7 (depends on 6) The motor vehicle control device of claim 6 wherein at least one of the direct loads is a steering angle sensor of a steering system. ### Claim 8 (depends on 6) The motor vehicle control device of claim 6 wherein at least one of the direct loads is integrated in the motor vehicle control device.