Magnetic Rotation Angel Sensors

Magnetic Rotation Angle Sensors are part of CODICOs product range.

Fusion of a Hall Sensor Element

This kind of sensor merge a Hall sensor element with an integrated electronic. In this case a digital signal is directly delivered by the modules. This signal can simply indicate the presence and the direction of a magnetic field. It may also have a latch integrated, which allows to note the status which was detected previously.

Traditional magnetic angle sensors use a set of Hall plates orientated in the X and Y axis that convert the amplitude of the rotating magnetic field into a sine and a cosine waveform. The two waveforms are then digitized with analog to digital converters (ADC), and the angle is computed using an arc tangent calculation.

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MagAlpha sensors use the patented SpinAxisTM Hall measurement technique that provides instantaneous angle position in a digital format. SpinAxisTM uses a phase detection approach that eliminates any need for analog to digital conversion or complex angle calculation used by more traditional technologies. Rotation speeds from zero to in excess of 100kRPM are possible.

Sensors can fit in applications from low cost consumer rotary knobs to high-speed motor commutation and position control, also as a replacement for Conventional Optical Encoder. MagAlpha sensor IC and a small magnet are elements that enable the prerequisite for lower system costs and a very small package solution. SpinAxisTM is a trademark of Monolithic Power Systems.

Manufacturers & Contacts

MPS

Monolithic Power Systems, Inc. (MPS) is amongst the globally leading suppliers in the power-management area. The broad portfolio contains eg DC/DC-converters and -modules, PMICs, battery-management-ICs, current-sensors, AC/DC-converter-ICs, motordrivers as well as angle-sensors and, newly added, even inductors for the DC/DC-converters.  Target markets are mainly industrial, automotive, telecom-infrastructure, cloud-computing and consumer-applications.

Find here an overview of MPS DC DC Converter

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