Abstract: A driver circuit configured to control an operation of a relay includes: a voltage output electrically connected with the relay; a first voltage input selectively electrically connected to the voltage output; a buck boost converter including an input and a first output; and a system basis chip including an output terminal connected to the input of the buck boost converter and configured to provide a voltage. The first output of the buck boost converter is electrically connected to the first voltage input.

Abstract: The present invention relates to a method for generating a security identifier for a control unit (10) of a battery system (100), comprising the steps of supplying an operation voltage to the control unit (10), outputting calibration data from a non-volatile memory element (15a) of the control unit (10), and generating a security identifier from the calibration data using a security algorithm. Therein, the calibration data is based on at least one testing process performed on the control unit (10) and is required for a faultless operation of the control unit (10). Further, according to a method for generating an activation key for a control unit (10) of a battery system (100) an activation key is generated based on such security identifier and output from the control unit (10). The invention further relates to an activation method for such control unit (10), wherein a control unit (10) is activated in response to the validation of such security identifier.

Abstract: The present invention relates to a battery module, and the battery module includes at least one battery cell, a protection circuit module that includes a rigid printed circuit board, and is electrically connected with the battery cell, at least one temperature sensing element provided at a surface of the battery cell, and a flexible printed circuit board that electrically connects the protection circuit module and the temperature sensing element.

Abstract: A plurality of battery cells arranged as a cell stack with adjacent lateral walls forming a row includes a case including two lateral walls from among the lateral walls, and a cap assembly capping the case, and including a positive terminal and a negative terminal, and a solid state switch arranged as an element in the cell stack of battery cells and for switchably connect the battery module with an external power grid, the solid state switch including a switch circuit board including a power MOSFET for providing a power stage for performing switching, a back cover and a front cover, the back and front covers forming a housing of the solid state switch and including lateral walls in the same size and shape as the lateral walls of the case of each battery cell.

Abstract: Embodiments of the present invention relate to a battery system with internally powered real time clock, the battery system includes a plurality of battery cells connected in series and/or in parallel between a first terminal and a second terminal and a real time clock electrically connected to a first node of the plurality of battery cells, a voltage of a single battery cell of the plurality of battery cells applies to the first node, and the real time clock draws power via the first node in a first operation state and in a second operation state of the battery system.

Abstract: A battery module includes: a battery cell; a protective circuit module electrically coupled to the battery cell; a temperature sensitive element at the battery cell; a flexible printed circuit board having first and second end portions and an inner portion extending between the first and second end portions; and a spring. The protective circuit module includes a rigid printed circuit board. The flexible printed circuit board is fixed to a surface of the rigid printed circuit board facing the battery cell by the first and second end portions such that the inner portion forms a loop, is electrically connected to the protective circuit module and to the temperature sensitive element, and is centrally positioned on the inner portion of the flexible printed circuit board. The spring is arranged within the loop of the flexible printed circuit board such that the temperature sensitive element is pushed towards the battery cell.

Abstract: A temperature sensor may include at least one cell. Each one of the at least one cell may include a bi-stable flip-flop having a first branch and a second branch. The first branch may include an asymmetry element. A processor is configured to receive, from each one of the at least one cell, an output signal indicative of an operational state of the bi-stable flip-flop and to determine a temperature based on the received output signals.

Abstract: According one embodiment, a circuit is described comprising a first reference voltage generating circuit comprising an output to provide a first reference voltage and a second reference voltage generating circuit comprising an input receiving a value representative of the first reference voltage, the second reference voltage generating circuit being configured to generate a second reference voltage based on the received value.

Abstract: A driver circuit configured to control an operation of a relay includes: a voltage output electrically connected with the relay; a first voltage input selectively electrically connected to the voltage output; a buck boost converter including an input and a first output; and a system basis chip including an output terminal connected to the input of the buck boost converter and configured to provide a voltage. The first output of the buck boost converter is electrically connected to the first voltage input.

Abstract: A method for operating a buck converter as a power source for electronics of a battery system, includes: operating the buck converter in a first mode in which the buck converter provides a first output voltage; receiving a first control signal; and in response to receiving the first control signal, operating the buck converter in a second mode in which the buck converter provides a second output voltage for a System Basis Chip of the battery system. The first output voltage has a first value in a range of a to b, and the second output voltage has a second value in the range of c to d, wherein b is less than c.

Abstract: Embodiments of the present invention provide a crash detection circuit for detecting a crash of a vehicle and including a transformer including a first inductor as a part of a crash signal generation circuit, and a second inductor as a part of a crash signal evaluation circuit, and galvanically isolated from the first inductor, a first comparator including an output, an inverting input coupled to a first terminal of the second inductor, and a non-inverting input electrically coupled to a second terminal of the second inductor, and a window comparator including a first input terminal electrically connected to the output of the first comparator for an input voltage to be evaluated, and two second input terminals for receiving reference voltages.

Abstract: A battery module includes: a battery cell; a protective circuit module electrically coupled to the battery cell; a temperature sensitive element at the battery cell; a flexible printed circuit board having first and second end portions and an inner portion extending between the first and second end portions; and a spring. The protective circuit module includes a rigid printed circuit board. The flexible printed circuit board is fixed to a surface of the rigid printed circuit board facing the battery cell by the first and second end portions such that the inner portion forms a loop, is electrically connected to the protective circuit module and to the temperature sensitive element, and is centrally positioned on the inner portion of the flexible printed circuit board. The spring is arranged within the loop of the flexible printed circuit board such that the temperature sensitive element is pushed towards the battery cell.

Abstract: Disclosed herein are a method, circuitry and an integrated circuit chip for use in signal processing. The integrated circuit chip comprises an operational amplifier, a reference amplifier, and a control unit. The control unit is coupled to the reference amplifier and to the operational amplifier. The control unit is configured to control the reference amplifier based on a signal received from the reference amplifier.

Abstract: At least one asymmetry element is configured to receive an input signal and is coupled to a first branch of a bi-stable flip-flop comprising the first branch and a second branch. An asymmetry between the first branch and the second branch depends on the input signal. A value indicative of the input signal is determined based on received output signals of a plurality of readout events.

Abstract: At least one asymmetry element is configured to receive an input signal and is coupled to a first branch of a bi-stable flip-flop comprising the first branch and a second branch. An asymmetry between the first branch and the second branch depends on the input signal. A value indicative of the input signal is determined based on received output signals of a plurality of readout events.

Abstract: According to one embodiment, a temperature sensing circuit is described comprising a multiplicity of transistor circuits having a multiplicity of different temperature characteristics and a circuit configured to determine a plurality of mismatch values comprising, for each transistor circuit, a mismatch value representing the temperature characteristic of the transistor circuit and to determine a temperature value using the determined plurality of mismatch values.

Abstract: An electronic circuit is described comprising a load, a power supply node, a first transistor coupled between the supply node and the load such that the input at a control terminal of the first transistor controls current flow from the supply node to the load through the first transistor, a current source, a second transistor coupled between the current source and the load such that the input at a control terminal of the second transistor controls current flow from the current source to the load through the second transistor, a control node coupled to the control terminal of the first transistor and the control terminal of the second transistor and a measuring circuit connected to the point of coupling between the current source and the second transistor configured to measure the difference between the current provided by the current source and the current consumed by the second transistor.

Abstract: Disclosed herein are a method, circuitry and an integrated circuit chip for use in signal processing. The integrated circuit chip comprises an operational amplifier, a reference amplifier, and a control unit. The control unit is coupled to the reference amplifier and to the operational amplifier. The control unit is configured to control the reference amplifier based on a signal received from the reference amplifier.

Abstract: A temperature sensor may include at least one cell. Each one of the at least one cell may include a bi-stable flip-flop having a first branch and a second branch. The first branch may include an asymmetry element. A processor is configured to receive, from each one of the at least one cell, an output signal indicative of an operational state of the bi-stable flip-flop and to determine a temperature based on the received output signals.

Abstract: An inductor for a semiconductor device is provided, which may include: a plurality of structured metallization layers, wherein the plurality of structured metallization layers includes at least a first metallization layer, a second metallization layer disposed over the first metallization layer, a third metallization layer disposed over the second metallization layer, and a fourth metallization layer disposed over the third metallization layer; wherein a portion of the first metallization layer and a portion of the fourth metallization layer form a first coil; wherein a portion of the second metallization layer and a portion of the third metallization layer form a second coil; and wherein the second coil is arranged within the inner space defined by the first coil.