XENSIV™ TLE4988C-XTF-M28 Hall camshaft sensor for Fe back-bias magnets Infineon XENSIV™ TLE4988C: Advanced camshaft sensor with in-car calibration. Reduced reliance on rare-earth magnets. Proven performance with ferrite magnets. Unique chip ID option. High-speed digital I/F. Optimized for Fe, SmCo, or NdFe magnets. Backward compatible with predecessor products.