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Angle sensors use a measurement principle that is not affected by magnetic strength variations

By using a true angular measurement approach NXP’s magneto-resistive (MR) angular sensors work accurately and reliably with no magnetic field strength variations. MR sensors operate virtually independent of magnet shifts and drifts due to lifetime, thermal influences or mechanical stress. They enable angular measurements with high accuracy by an excellent linearity and temperature drift behavior. Our magnetoresistive angle sensors offer clear advantages over devices employing other sensing methods. MR sensors give an output signal virtually independent of magnet tolerances, magnet temperature coefficients, magnet-sensor distance and positioning tolerances.

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New and updated products

X3G-OH047

Magnetic field sensor

X3T-OH048

Magnetic field sensor



Key features and benefits

  • Extended temperature range
  • Accurate and reliable
  • Mechanical robustness, contactless principle
  • Wear-free operation
  • Accuracy independent of mechanical tolerances, magnetic drift with temperature or during life time
  • Less total cost of electro-mechanical system due to MR benefits

Key applications

  • Electric Throttle Control (ETC) and Exhaust Gas Recirculation (EGR)
  • Variable Valve Timing (VVT)
  • Electric Power Steering (EPS) for torque sensing and rotor position of the servo motor
  • Column steering, angle position, wheel positioning, torsion
  • Window wiper control

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Descriptive summary

Achieving high accuracy and performance, our angular sensors are ideal for a variety of demanding automotive applications. NXP provide cost-effective sensor solutions which help to meet tough emission targets. Ideal for high precision angle measurement applications, the sensor systems of the KMA200 family combine the MR sensor-head and the signal conditioning IC in a special multi-chip package. Furthermore each device is pre-calibrated and can be programmed for application specific output characteristics with the sinusoidal raw output signals externally processed according to the individual application requirements.

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