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Melexis’ new MLX90371 and MLX90372 bring stray magnetic field immunity to the Triaxis® family of magnetic rotary and linear position sensors.
The parts support a wide variety of automotive position-sensing applications, including actuators in the powertrain and human machine interfaces. The MLX90371 features an analogue or PWM output signal. The MLX90372 provides a SENT or PWM output.
The sensors may be used to measure either onaxis rotary or linear motion with a four-pole or two-pole magnet.
Building on the legacy of the Triaxis sensor family, the MLX90371/90372 offer substantial improvements over the previous generation of products. The new stray field-immune mode greatly reduces or even eliminates the effect of stray fields from other magnets or from current-carrying conductors found in electric vehicles.
Other improvements introduced in the MLX90371 and MLX90372 include better EMC capability, higher temperature operation up to an ambient temperature of 160°C, and reduced thermal drift.
The Melexis devices are ready for use in applications that require compliance with the ISO 26262 functional safety standard to ASIL-B (MLX90371) or ASIL-C (MLX90372) grade. Options include a fully redundant dual-die package option.
Melexis position sensors measure linear or rotary motion
