NXP Semiconductors offers a wide range of high-performance sensor solutions for automotive applications, including a proven range of magnetoresistive (MR) sensors for angle, rotation and weak-field measurements. These sensors offer precise measurement, reliable operation and long lifetimes – exactly the qualities needed for automotive use.
The leaflet introduces NXP's magnetoresistive (MR) sensor portfolio for automotive applications such as ABS, steering angle, variable valve timing, and electronic throttle control. It highlights the accuracy, reliability, and ruggedness required for modern vehicle systems and explains the MR effect used to sense magnetic fields.
The document details three sensor families – KMI rotational speed sensors, magnetoresistive angle sensors, and weak‑field detection sensors – and provides electrical characteristics, output options (current, open‑collector), and design advantages like temperature drift reduction and tolerance independence.
| KMI15 output type | 7/14 mA current output (2‑wire) |
|---|---|
| KMI18 output type | Open collector output (3‑wire) |
| KMI20 output type | 7/14 mA current output (2‑wire), extended air gap |
| Sensor bridge configuration | Four permalloy resistors in Wheatstone bridge |
NXP MR sensors are used in engine management, ABS, variable valve timing, electronic throttle control, active suspension, electronic steering, steering angle, EPAS motor positioning, and more.