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: 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 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: A multi-contact Hall plate having four contacts or a multiple of four contacts, wherein each of the contacts is arranged substantially equally distributed along an edge region of the Hall plate, and each of the contacts is connected to one of the four terminals.

Abstract: An example device includes a first gradiometer that includes a first set of sensing elements aligned along a first axis, a second gradiometer that includes a second set of sensing elements aligned along a second axis, and a controller. The first set of sensing elements and the second set of sensing elements may be configured to sense a set of magnetic field components that are perpendicular to the rotational axis, wherein the first axis is in a first plane and the second axis is in a second plane, and the first plane and the second plane may be perpendicular to a rotational axis of a rotatable object. The controller may obtain, via the first gradiometer and the second gradiometer, the set of components of the magnetic field. The controller may then determine, based on obtaining the set of components of the magnetic field, the angular position of the rotatable object.

Abstract: An off-axis counter is suggested that is arranged to count magnetic poles of a magnetic field source that turns around a rotation axis modulo an integer number. Also, a rotation angle sensing device and a method for determining a rotation angle are provided.

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: An integrated Hall sensor device for measuring a magnetic field is provided. The integrated Hall sensor device includes: a semiconductor chip; a first Hall sensor for generating a first magnetic field measurement signal dependent on a first component; a second Hall sensor for generating a second magnetic field measurement signal dependent on a second component of the magnetic field; a first stress sensor for generating a shear stress measurement signal dependent on mechanical stresses in the semiconductor chip; and an evaluation device for determining one or more properties of the magnetic field depending on the first magnetic field measurement signal, the second magnetic field measurement signal. and the first shear stress measurement signal.

Abstract: A device comprises a permanent magnet, a magnetic field sensor, and an evaluation circuit. The permanent magnet has a body extending along a path, wherein in a movement travel region the permanent magnet has a continuous north pole and a continuous south pole and is magnetized in such a way that the magnetization direction along the path rotates continuously around the path. The permanent magnet is arranged in an inner spatial region and the at least one sensor is arranged in an outer spatial region, wherein in cross section perpendicular to the path the inner spatial region and the outer spatial region are separated from one another by an outwardly convex line. The magnetic field sensor is configured to detect the magnetic field generated by the permanent magnet. The evaluation circuit is configured to determine the position of the permanent magnet using the detected magnetic field.

Abstract: Magnetic position sensors, systems and methods are disclosed. In an embodiment, a position sensing system includes a magnetic field source; and a sensor module spaced apart from the magnetic field source, at least one of the magnetic field source or the sensor module configured to move relative to the other along a path, the sensor module configured to determine a position of the magnetic field source relative to the sensor module from a nonlinear function of a ratio of a first component of a magnetic field of the magnetic field source to a second component of the magnetic field of the magnetic field source.

Abstract: The described techniques are directed to inductive torque sensors that implement independent target coil and pickup coil systems. By utilizing the various principles of inductive angle sensors, and as a result of the specific physical arrangement of target coils, the inductive torque sensor may independently obtain a rotational position (i.e., mechanical angle) of the rotatable input shaft via one pickup coil system, and a rotational position (i.e., mechanical angle) of the rotatable output shaft via another pickup coil system. Combiner circuitry is also provided to calculate the torsion angle using the signals induced in each of two separate pickup coil systems. By using different k-fold symmetry periodicities in the target coils with respect to the coil configurations, the inductive torque sensor advantageously reduces or eliminates mutual coupling between the different target coil systems and provide robustness to stray or external electromagnetic fields.

Abstract: A sensing element is provided including a magnetic sensor that detects a first magnetic field component, at least one AC-magnetic field generator that applies at least one additional magnetic field component at a given frequency to the magnetic sensor, where the first magnetic field component and the at least one additional magnetic field component are orthogonal to each other, and at least one demodulator using the given frequency to determine a sensitivity of the sensing element respective to the at least one additional magnetic field component. Also, several methods of operating such sensing element are provided.

Abstract: A sensing element is provided including a magnetic sensor that detects a first magnetic field component, at least one AC-magnetic field generator that applies at least one additional magnetic field component at a given frequency to the magnetic sensor, where the first magnetic field component and the at least one additional magnetic field component are orthogonal to each other, and at least one demodulator using the given frequency to determine a sensitivity of the sensing element respective to the at least one additional magnetic field component. Also, several methods of operating such sensing element are provided.

Abstract: A vertical Hall effect sensor having three Hall effect regions interconnected in a ring can be operated in a spinning scheme. Each Hall effect region has three contacts: the first Hall effect region includes first, second, and third contacts; the second Hall effect region has fourth, fifth, and sixth contacts, and the third Hall effect region has seventh, eighth, and ninth contacts. Interconnections between the Hall effect regions are provided such that a first terminal is connected to a third contact, a second interconnection is arranged between the second and fourth contacts, a third terminal is connected to the sixth contact, a fourth interconnection is arranged between the fifth and seventh contacts, a fifth terminal is connected to the ninth contact, and a sixth interconnection is arranged between the first and eighth contacts.

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: An inductive angle sensor includes a stator component and a rotor component that is rotatable relative thereto about an axis of rotation. The rotor component has an inductive target with k-fold symmetry. The stator component has a first single pickup coil with k-fold symmetry and a second single pickup coil with the same k-fold symmetry. The first single pickup coil is rotated around the axis of rotation in relation to the second single pickup coil. The inductive target is stretched along a first axis that runs perpendicularly to the axis of rotation so that a contour outline, as seen in plan view, of the inductive target has an elliptical shape, and the first single pickup coil is stretched along a second axis that runs perpendicularly to the axis of rotation so that a contour outline, as seen in plan view, of the first single pickup coil has an elliptical shape.

Abstract: The present disclosure relates to 3-dimensional Hall sensor devices comprising a Hall sensor element having a Hall effect region implemented in a 3-dimensional shell and comprising at least three terminals. Each terminal is connected to at least one electrical contact of the Hall effect region and each electrical contact is disposed at a different region of the 3-dimensional shell. The present disclosure further discloses spinning current/voltage schemes for offset cancellation in such 3-dimensional Hall sensor devices.

Abstract: A current sensor chip includes a first magnetic field sensor element and a second magnetic field sensor element respectfully configured to generate a first analog sensor signal and a second analog sensor signal responsive to a magnetic field caused by a primary current passing through an external primary conductor; an analog-to-digital converter coupled to the second magnetic field sensor element and configured to generate a digital sensor signal based on the second analog sensor signal; a digital signal processor coupled to the analog-to-digital converter to receive the digital sensor signal and configured to determine, based on the digital sensor signal and calibration parameters stored in a memory, a corresponding current measurement signal, which represents the primary current; and an external output pin coupled to the first magnetic field sensor element to receive the first analog sensor signal or an analog signal derived therefrom by analog signal processing.

Abstract: An inductive angle sensor includes an inductive target arrangement with -fold symmetry and a first pickup coil arrangement with -fold symmetry and a second pickup coil arrangement with -fold symmetry. A combination apparatus is designed to combine signals of the first pickup coil arrangement with signals of the second pickup coil arrangement and, on the basis thereof, to ascertain an angle-error-compensated rotation angle. The single pickup coils of the first and second pickup coil arrangements are each rotationally offset about the axis of rotation R by a geometric offset angle ? relative to one another. Additionally, the entire first pickup coil arrangement is rotationally offset relative to the entire second pickup coil arrangement about the axis of rotation R by a geometric offset angle ?.

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.