Abstract: A device includes at least one layer stack including a ferromagnetic layer, at least one magnetic reference layer, and a layer arranged therebetween having a magnetic tunnel junction. The at least one magnetic reference layer has a fixed first magnetization direction, and the ferromagnetic layer has a variable second magnetization direction that is variable relative to the first magnetization direction based on a spin orbit torque effect. The device further includes a spin orbit torque conductor arranged on a first side of the layer stack adjacent to the ferromagnetic layer, and a control unit configured to provide the spin orbit torque conductor with a time-variant input signal with temporally varying polarity and at the same time to determine a conductance of the tunnel junction dependent on the time-variant input signal and, based on the conductance, to detect a magnetic field acting on the device externally.

Abstract: An embodiment of a magnetic-field sensor includes a magnetic-field sensor arrangement and a magnetic body which has, for example, a non-convex cross-sectional area with regard to a cross-sectional plane running through the magnetic body, the magnetic body having an inhomogeneous magnetization.

Abstract: An apparatus for magnetic field detection includes a power supply and a plurality of magnetic field sensitive devices including at least first, second, and third magnetic field sensitive devices. The first to third magnetic field sensitive devices are coupled to each other and to the power supply such that a first supply current path runs through the first magnetic field sensitive device and not through the second magnetic field sensitive device, a second supply current path runs through the second magnetic field sensitive device and not through the first magnetic field sensitive device, and the first and second current paths run through the third magnetic field sensitive device. An internal resistance of the third magnetic field sensitive device is smaller than both an internal resistance of the first magnetic field sensitive device and an internal resistance of the second magnetic field sensitive device.

Abstract: Sensor devices, systems and methods are provided, including a first magnetic sensor configured to measure a first magnetic field in a first frequency range and output a first sensor signal based on the measured first magnetic field, a second magnetic sensor configured to measure a second magnetic field in a second frequency range and output a second sensor signal based on the measured second magnetic field, and a sensor circuit configured to receive the first and the second sensor signals, combine the first and the second sensor signals, and output a combined sensor signal. The first magnetic sensor and the second magnetic sensor are configured to share a cross-over frequency.

Abstract: A magnetic angular position sensor system is described herein, which includes a shaft rotatable around a rotation axis, the shaft having a soft magnetic shaft end portion. The system further includes a sensor chip spaced apart from the shaft end portion in an axial direction and defining a sensor plane, which is substantially perpendicular to the rotation axis. At least four magnetic field sensor elements are integrated in the sensor chip, with two of the magnetic field sensor elements being spaced apart from each other and are sensitive to magnetic field components in a first direction and wherein two of the magnetic field sensor elements are spaced apart from each other and are only sensitive to magnetic field components in a second direction, whereby the first and the second direction are mutually non-parallel and the first and the second direction being perpendicular to the rotation axis.

Abstract: Magnetic sensor arrangement comprising a component board delimited by two opposing main surfaces and having an accommodation hole for accommodating at least part of a magnetic field generating structure, and a magnetic sensor package located at least partially between the two opposing main surfaces and configured for sensing a magnetic field generated by the magnetic field generating structure.

Abstract: A Hall sensor apparatus has a Hall effect field with at least five contacts which are wired to at least five connections, wherein none of the at least five contacts is wired to more than one of the at least five connections, a supply circuit and a measurement circuit. In a first operational phase, a supply current enters the Hall effect field or leaves the Hall effect field through one single connection of the at least five connections, and two differential signals are measured at different common-mode potentials in each case between two of the at least five connections. The measurement circuit is designed to combine the measured differential signals into a total signal.

Abstract: A magnetic angle sensor device and a method for operating such device is provided. The magnetic angle sensor device includes a shaft rotatable around a rotation axis; a magnetic arrangement coupled to the shaft, where the magnetic arrangement produces a differential magnetic field comprising a plurality of diametric magnetic fields; a first magnetic angle sensor provided in the differential magnetic field and configured to generate a first signal that represents a first angle based on a first diametric magnetic field of the differential magnetic field; a second magnetic angle sensor provided in the differential magnetic field and configured to generate a second signal that represents a second angle based on a second diametric magnetic field of the differential magnetic field; and a combining circuit configured to determine a combined rotation angle based on the first signal and on the second signal.

Abstract: The present disclosure relates, inter alia, to a stator package for use in an inductive angle sensor, wherein the stator package includes a substrate, on which at least two metallization layers arranged at different levels are arranged. The stator package also includes a semiconductor chip with an integrated circuit, wherein an electrically insulating potting compound surrounds the substrate including the semiconductor chip and a receiving coil arrangement. The receiving coil arrangement includes at least two electrically conductive receiving coils, which are implemented in the two metallization layers by thin-film technology.

Abstract: The present disclosure relates to an inductive angle and/or position sensor comprising a first sensor component and a second sensor component, which is movable relative thereto, wherein the first sensor component comprises an excitation coil and a receiving coil arrangement having two or more individual receiving coils, and wherein the second sensor component comprises an inductive target. The first sensor component comprises a semiconductor chip having an integrated circuit. The sensor comprises a housing, in which the semiconductor chip is arranged. The individual receiving coils of the receiving coil arrangement are configured in at least two structured metallization layers spaced apart from one another, which are arranged within the housing and/or outside on an outer surface of the housing.

Abstract: An inductive angle sensor is provided with a stator with an excitation oscillating circuit and a pickup coil arrangement and also with a rotor which is arranged rotatably with respect to the stator and comprises an inductive target arrangement. The excitation oscillating circuit can be energizable with an alternating current, in order to induce an induction current in the target arrangement, and the target arrangement can be designed to generate a magnetic field in reaction to the induction current, which magnetic field in turn generates induction signals in the pickup coil arrangement. The angle sensor further comprises a circuit that is designed to derive an induction strength signal representing the signal strength of the induction signals from the induction signals and to ascertain the spatial clearance between the rotor and the stator on the basis of the induction strength signal, and to generate a corresponding clearance signal.

Abstract: A method for operating a Hall sensor device that includes a Hall effect region and a plurality of electrical contact regions configured to provide electrical signals to and from the Hall effect region using a plurality of control terminals is provided. Each electrical contact region is formed in a respective well that adjoins the Hall effect region, and each control terminal is configured to control a conductance in an associated well. The method includes selectively applying control signals to a first subset of the plurality of control terminals to form channels conducting majority carriers of a first conductivity type in the associated wells during a first operating phase; and selectively applying control signals to a different second subset of the plurality of control terminals to form channels conducting majority carriers of the first conductivity type in the associated wells during a second operating phase.

Abstract: An embodiment of a magnetic-field sensor includes a magnetic-field sensor arrangement and a magnetic body which has, for example, a non-convex cross-sectional area with regard to a cross-sectional plane running through the magnetic body, the magnetic body having an inhomogeneous magnetization.

Abstract: The present disclosure relates to a magnetic angle sensor arrangement. The magnetic angle sensor arrangement comprises a multipole magnet rotatable around a rotation axis. A geometric arrangement of the multipole magnet is rotationally asymmetric with respect to the rotation axis. A plurality of magnetic field sensor circuits are placed around the rotation axis at predefined equidistant angular positions in a predefined axial distance from the multipole magnet, wherein each magnetic field sensor circuit comprises a first magnetic field sensor element sensitive to first magnetic field component and a second magnetic field sensor element sensitive to a second magnetic field component perpendicular to the first magnetic field component.

Abstract: A measurement arrangement includes a first soft magnetic element, a second soft magnetic element, a magnetic element which is mechanically coupled to the first soft magnetic element and is configured to produce a magnetic field, and a sensor arrangement for capturing the magnetic field, which sensor arrangement is arranged in such a manner that a relative movement between the first soft magnetic element and the sensor arrangement results in a change in the magnetic field at the location of the sensor arrangement. The sensor arrangement is configured to determine the change. The sensor arrangement and the magnetic element are arranged between the first soft magnetic element and the second soft magnetic element.

Abstract: A magnetic set-up for use in a rotary encoder is disclosed. The set-up includes a permanent magnet arrangement including at least one permanent magnet, which is rotatable with respect to a rotation axis, and a soft magnetic sleeve encompassing the rotation axis and thus the permanent magnet arrangement for shielding against external magnetic fields. The at least one permanent magnet includes a through-hole, which extends along the rotation axis, so that the permanent magnet fully extends around the rotation axis.

Abstract: A Hall effect device includes a semiconductor region and at least three contacts to the semiconductor region, which are arranged in the semiconductor region substantially along a line or curve. The line or curve functionally separates the semiconductor region in a first region and a second region. The Hall effect device further including a first electrode that is electrically isolated against the first region and a second electrode that is electrically isolated against the second region. Two of the at least three contacts supply electric energy to the first region and to the second region, and the remaining at least one contact taps an output signal of the first region and/or the second region that responds to a magnetic field component.

Abstract: A magnet arrangement including at least one magnetic element providing a modulated magnetization in a first direction and an essentially constant magnetization in a second direction different from the first direction.

Abstract: A rotation angle sensing device is provided, which comprises (i) a magnetic field source that is capable of being mechanically coupled to a rotatable shaft, wherein the shaft is rotatable around a rotation axis, wherein the magnetic field source provides a magnetization which is substantially parallel to the rotation axis and not rotationally symmetric to the rotation axis, wherein the magnet field source comprises or is a permanent magnet; and (ii) at least two magnetic field sensor elements arranged to detect the magnetic field of the magnetic field source, wherein the at least two magnetic field sensor elements are located out of shaft and are placed at the same radial distance from the rotation axis. Also, a method for sensing a rotational angle is suggested.

Abstract: Magnetic sensor arrangement comprising a component board delimited by two opposing main surfaces and having an accommodation hole for accommodating at least part of a magnetic field generating structure, and a magnetic sensor package located at least partially between the two opposing main surfaces and configured for sensing a magnetic field generated by the magnetic field generating structure.