Abstract: The invention relates to a semiconductor switch assembly, an energy system, and a vehicle. The semiconductor switch assembly includes a first semiconductor switch (S11), a second semiconductor switch (S12), a resistor (10), an input terminal (20), an output terminal (22), a reference potential terminal (24), and an analysis unit (30), the first semiconductor switch (S11) and the second semiconductor switch (S12) being connected in series between the input terminal (20) and the output terminal (22) and being designed to allow and prevent a current to flow between the input terminal (20) and the output terminal (22) on the basis of a triggering operation by the analysis unit (30). The resistor (10) is connected between the reference potential terminal (24) and a connection point (50) between the first semiconductor switch (S11) and the second semiconductor switch (S12).

Abstract: The invention relates to a monitoring assembly for an electrical component, a semiconductor switch assembly having a monitoring function, and an energy system. An analysis unit (50) of the semiconductor switch assembly is configured to determine on the basis of a first voltage divider (20), a second voltage divider (25), and a measuring device (40), a short circuit and/or a deviation from desired switched states in a first semiconductor switch (10) having a first inverse diode and a second semiconductor switch (15) having a second inverse diode, the semiconductor switches (10, 15) being connected in series between an input terminal (30) and an output terminal (32) of the semiconductor switch assembly, in such a way that the inverse diodes thereof are arranged anti-serially.

Abstract: A battery system having a battery pack with a negative pole, a positive pole and a battery cell, a coupling network having a first negative terminal and a first positive terminal, a pack voltage divider, and a coupling voltage divider. The first positive terminal is connectable to the positive pole via a switch. Optionally, the first negative terminal is connectable to the negative pole via a switch. The pack voltage divider includes a two resistors connected between the positive pole and a first reference point. A negative pack measurement resistor and a negative sub-pack measurement resistor are dis-connectable from the negative pole or the first reference point via a switch. A positive coupling measurement resistor and a positive sub-coupling measurement resistor are connected between the first positive terminal and the first reference point. Two resistors are connected between the first negative terminal and the first reference point.

Abstract: A circuit arrangement and an electrical system that includes a semiconductor switch (10), a gate driver (20), a power supply (30), a control unit (40), a monitoring unit (50) and a shutdown device (60). The semiconductor switch (10) is configured to be arranged in a circuit including a power source (70) and a load (80), and to close and interrupt the circuit as a function of a control of a gate connection (12) of the semiconductor switch (10). The power supply (30) powers the gate driver (20). The control unit (40) controls the gate driver (20) to open and close the semiconductor switch (10). The monitoring unit (50) determines a request for the redundant interruption of the circuit based on predefined criteria. The shutdown device (60) shuts down a gate voltage applied to the gate connection (12) in response to a request for the redundant interruption of the circuit.

Abstract: The invention relates to a semiconductor switch assembly, an energy system, and a vehicle. The semiconductor switch assembly includes a first semiconductor switch (S11), a second semiconductor switch (S12), a resistor (10), an input terminal (20), an output terminal (22), a reference potential terminal (24), and an analysis unit (30), the first semiconductor switch (S11) and the second semiconductor switch (S12) being connected in series between the input terminal (20) and the output terminal (22) and being designed to allow and prevent a current to flow between the input terminal (20) and the output terminal (22) on the basis of a triggering operation by the analysis unit (30). The resistor (10) is connected between the reference potential terminal (24) and a connection point (50) between the first semiconductor switch (S11) and the second semiconductor switch (S12).

Abstract: The invention relates to a monitoring assembly for an electrical component, a semiconductor switch assembly having a monitoring function, and an energy system. An analysis unit (50) of the semiconductor switch assembly is configured to determine on the basis of a first voltage divider (20), a second voltage divider (25), and a measuring device (40), a short circuit and/or a deviation from desired switched states in a first semiconductor switch (10) having a first inverse diode and a second semiconductor switch (15) having a second inverse diode, the semiconductor switches (10, 15) being connected in series between an input terminal (30) and an output terminal (32) of the semiconductor switch assembly, in such a way that the inverse diodes thereof are arranged anti-serially.

Abstract: The invention relates to a battery system (10) for an electric vehicle, comprising a battery pack (5) having a positive pole (22), a negative pole (21), at least one battery cell (2) and a pack voltage divider (25), and comprising at least one coupling network having a negative terminal (11) and a positive terminal (12), wherein the pack voltage divider (25) comprises a positive pack resistor (RP2) and a positive sub-pack-resistor (RSP2) which are connected to one another in series between the positive pole (22) and a reference point (50), and a negative pack resistor (RP1) and a negative sub-pack-resistor (RSP1) which are connected to one another in series between the negative pole (21) and the reference point (50).

Abstract: A battery system having a battery pack with a negative pole, a positive pole and a battery cell, a coupling network having a first negative terminal and a first positive terminal, a pack voltage divider, and a coupling voltage divider. The first positive terminal is connectable to the positive pole via a switch. Optionally, the first negative terminal is connectable to the negative pole via a switch. The pack voltage divider includes a two resistors connected between the positive pole and a first reference point. A negative pack measurement resistor and a negative sub-pack measurement resistor are dis-connectable from the negative pole or the first reference point via a switch. A positive coupling measurement resistor and a positive sub-coupling measurement resistor are connected between the first positive terminal and the first reference point. Two resistors are connected between the first negative terminal and the first reference point.

Abstract: Electromechanical adapter having at least one controller, wherein the adapter comprises at least a first interface for communication with at least one monitoring unit at the battery, a second interface for communication with a monitoring unit that is superordinate to the monitoring unit at the battery, and a third interface for the connection of at least one sensor and/or actuator, wherein the controller converts signals between the first and second interfaces.

Abstract: The invention relates to a battery management system for a battery having a plurality of battery cells connected in series, comprising a battery control unit, a plurality of low-voltage measuring devices, by means of which the voltage of one or more battery cells can be measured, and comprising one or more high-voltage measuring devices for a voltage across a plurality or all the battery cells, and/or at least one current measuring device, by means of which a current from or through the battery can be measured, and/or at least one a measuring module comprising a high-voltage measuring device, and a current measuring device, characterized by a signal transmission device, by way of which signals from low-voltage measuring devices and from at least one of the high-voltage measuring devices and/or the current measuring device and/or the measuring module can be transmitted to the battery control unit.

Abstract: The invention relates to a battery system (100) with a battery (20), which is designed to supply a high voltage network (70) with electric energy, and a measuring device (130) for measuring at least one insulation resistance provided between the battery (20) and a housing of the battery (20). The measuring device (130) is equipped with two measuring paths (140, 150), each of which is paired with one of two high-voltage connections (21, 22) of the battery (20), each of which comprises a series circuit that comprises a first resistor (142, 152) and a relay (145, 155), and each of which is connected between the paired high-voltage connection (21, 22) and a point (25) that has a housing potential. Furthermore, each series circuit has a semiconductor switch (147, 157). The measuring device (130) also has two functional modes in which the relays (145, 155) of the measuring paths (140, 150) are closed.

Abstract: A pre-charging circuit for charging an intermediate circuit capacitor is provided having a first electronic component, a second electronic component and a diagnostic circuit. The diagnostic circuit is designed for functional testing of the first electronic component and/or of the second electronic component and comprises an energy source with a terminal voltage. A voltage drop can be induced on the first electronic component by the energy source, as a result of which the functional performance of the first electronic component and/or of the second electronic component can be tested. The diagnostic circuit has a diagnosis switch via which the energy source can be connected to the first electronic component in such a manner that the dropping voltage on the first electronic component corresponds to the terminal voltage.

Abstract: The invention relates to a method for operating an electrical network, in particular an onboard network of a vehicle, in particular of a hybrid vehicle (HEV), of a plug-in hybrid vehicle (PHEV) or of an electric vehicle (EV). Said network comprises a battery system, which contains a battery separation unit (10), with which a high-voltage battery (12) can be separated from a battery positive pole (18) and/or a battery negative pole (32) or from both battery poles (18, 32) of the on-board network. A main contactor and/or precharging contactor coil (22, 28, 36) of at least one electromagnetic switch (20, 24) is pre-heated. In the case of a pulse-width modulation signal control, the actuation takes place with a fraction (54), preferably 10% to 30%, of an activation pulse width.

Abstract: The invention relates to a battery system (100) with a battery (20), which is designed to supply a high voltage network (70) with electric energy, and a measuring device (130) for measuring at least one insulation resistance provided between the battery (20) and a housing of the battery (20). The measuring device (130) is equipped with two measuring paths (140, 150), each of which is paired with one of two high-voltage connections (21, 22) of the battery (20), each of which comprises a series circuit that comprises a first resistor (142, 152) and a relay (145, 155), and each of which is connected between the paired high-voltage connection (21, 22) and a point (25) that has a housing potential. Furthermore, each series circuit has a semiconductor switch (147, 157). The measuring device (130) also has two functional modes in which the relays (145, 155) of the measuring paths (140, 150) are closed.

Abstract: The interlock detector includes a first input, wherein a first output signal from an interlock generator is applied to the first input. The interlock detector further includes a second output which is configured to provide a microprocessor with a second output signal. The interlock detector further includes a differential amplifier that includes a second input, a third input, and a third output, wherein the second input and the third input are connected to the first input. The interlock detector further includes a comparator circuit that includes a fourth input and a fourth output, wherein the fourth input is connected to the third output, the fourth output is connected to the second output, and the fourth input is positioned between the comparator circuit and the differential amplifier.

Abstract: The invention relates to a battery management system for a battery having a plurality of battery cells connected in series, comprising a battery control unit, a plurality of low-voltage measuring devices, by means of which the voltage of one or more battery cells can be measured, and comprising one or more high-voltage measuring devices for a voltage across a plurality or all the battery cells, and/or at least one current measuring device, by means of which a current from or through the battery can be measured, and/or at least one a measuring module comprising a high-voltage measuring device, and a current measuring device, characterized by a signal transmission device, by way of which signals from low-voltage measuring devices and from at least one of the high-voltage measuring devices and/or the current measuring device and/or the measuring module can be transmitted to the battery control unit.

Abstract: Electromechanical adapter having at least one controller, wherein the adapter comprises at least a first interface for communication with at least one monitoring unit at the battery, a second interface for communication with a monitoring unit that is superordinate to the monitoring unit at the battery, and a third interface for the connection of at least one sensor and/or actuator, wherein the controller converts signals between the first and second interfaces.

Abstract: The interlock detector includes a first input, wherein a first output signal from an interlock generator is applied to the first input. The interlock detector further includes a second output which is configured to provide a microprocessor with a second output signal. The interlock detector further includes a differential amplifier that includes a second input, a third input, and a third output, wherein the second input and the third input are connected to the first input. The interlock detector further includes a comparator circuit that includes a fourth input and a fourth output, wherein the fourth input is connected to the third output, the fourth output is connected to the second output, and the fourth input is positioned between the comparator circuit and the differential amplifier.

Abstract: A pre-charging circuit for charging an intermediate circuit capacitor is provided having a first electronic component, a second electronic component and a diagnostic circuit. The diagnostic circuit is designed for functional testing of the first electronic component and/or of the second electronic component and comprises an energy source with a terminal voltage. A voltage drop can be induced on the first electronic component by the energy source, as a result of which the functional performance of the first electronic component and/or of the second electronic component can be tested. The diagnostic circuit has a diagnosis switch via which the energy source can be connected to the first electronic component in such a manner that the dropping voltage on the first electronic component corresponds to the terminal voltage.

Abstract: A monitoring circuit for a battery module includes at least two terminals configured to be connected to bus lines of a bus system, a series circuit having a line terminating resistor, and a switching device. Ends of the series circuit are in each case electrically connected to one of the two terminals.