Discrete magnetic angle sensor device, a magnetic angle sensor arrangement, a method for generating an angle signal and a method for providing a sensor signal

A magnetic angle sensor arrangement, comprising:

• at least one discrete magnetic angle sensor device, the discrete magnetic angle sensor device comprising a first magnetic field gradiometer, a second magnetic field gradiometer, and a sensor circuit configured to generate a sensor signal indicative of a rotation angle based on a first gradiometer signal of the first magnetic field gradiometer and on a second gradiometer signal of the second magnetic field gradiometer, wherein the first magnetic field gradiometer and the second magnetic field gradiometer are of different types of a group of gradiometer types;
• wherein the at least one discrete magnetic angle sensor device is fixedly arranged with respect to a rotation axis around which at least one magnet is rotatably mountable such that the at least one discrete magnetic angle sensor device is arranged off axis with respect to the rotation axis;
• wherein the group of gradiometer types comprises gradiometer types defined by at least an order of the gradiometer of a group of orders, a gradiometer direction of a group of gradiometer directions, a magnetic field component of the magnetic field of a group of magnetic field components, to which the gradiometer is sensitive, and a type of at least one sensor element the gradiometer comprises of a group of types of sensor elements;
• wherein the group of orders comprises a first order, a second order, a third order and a n-th order, wherein n is an integer larger than 3;
• wherein the group of gradiometer directions comprises a first gradiometer direction and a second gradiometer direction different from the first gradiometer direction;
• wherein the group of magnetic field components comprises a first magnetic field component and a second magnetic field component different from the first magnetic field component;
• and
• wherein the group of types of sensor elements comprises a vertical Hall-sensor, a horizontal Hall-sensor, a giant magneto-impedance device, a magnetic field effect transistor, a magneto resistor and a magnetoresistive sensor element.

A discrete magnetic angle sensor device, comprising:

• a first magnetic field gradiometer;
• and
• a second magnetic field gradiometer,
• wherein the first magnetic field gradiometer and the second magnetic field gradiometer are of different types of a group of gradiometer types,
• wherein the first and second magnetic field gradiometers are formed within or on a main surface of a substrate, the substrate being at least one of a semiconductor substrate, an inorganic substrate and a mono-crystalline substrate, and
• wherein the sensor circuit is configured to generate the sensor signal based on a combination of the first and second gradiometer signals such that common multiplicative factors are canceled out.

A discrete magnetic angle sensor device, comprising:

• a first magnetic field gradiometer;
• and
• a second magnetic field gradiometer,
• wherein the first magnetic field gradiometer and the second magnetic field gradiometer are of different types of a group of gradiometer types,
• wherein the first and second magnetic field gradiometers are formed within or on a main surface of a substrate, the substrate being at least one of a semiconductor substrate, an inorganic substrate and a mono-crystalline substrate, and
• wherein the discrete magnetic angle sensor device is configured to generate the sensor signal based on the gradient of the first magnetic field component with respect to a first gradiometer direction, and wherein the discrete magnetic angle sensor device is configured to generate the sensor signal based on the gradient of the second magnetic field component with respect to the first gradiometer direction or with respect to a second gradiometer direction different from the first gradiometer direction.