Miniaturized, Light-weight Angle Sensor with Digital Output

TMR angle sensor

TMR angle sensor

TDK Corporation presents the new TMR angle sensor TAD2141 with digital output. The new sensor offers a guaranteed accuracy of ±0.2° and at room temperature achieves the industry’s highest accuracy for angle error of only ±0.05°. The sensor is capable of contactless sensing 360° within a temperature range of -40 °C to +150 °C. Furthermore, the new TAD2141 sensor represents a remarkable level of miniaturization and weight-saving in comparison with conventional solutions using resolvers. Engineering samples of TAD2141 are already available; while certifications according to ISO26262 and ASIL are under preparation.

The automatic correction function, which is only available with the TAD2141, considerably reduces the design-in effort. Moreover, the new angle sensor is equipped with a self-diagnostic function that detects not only an abnormality in the sensor itself, but also any abnormalities in the exterior environment, such as a power failure or loss of the magnetic field. Thanks to the integrated ASIC, this sensor is capable of digital output with all kinds of interfaces, such as SPI, Hall-Emulation (HSM), PWM and encoder (AZB). It also uses the ASIC design technology from ICsense, an ASIC design specialist, which they acquired in March 2017. Based on this technology combination they are able to offer modular sensor solutions, including ASICs.

The main applications of the new sensor include industrial and robotics applications, as well as automotive applications focusing on future systems for automated driving. The range of possible applications will be further extended in the future.

Source: TDK Corporation

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