Automotive Position Sensor integrates SENT protocol.
August 6, 2009 -
Capable of operating over -40 to +150°C range, MLX90324 rotary position sensor IC suits under-hood applications. This CMOS Triaxis(TM) Hall sensor implements SENT (Single Edge Nibble Transmission) protocol directly on chip for reporting functions and is designed for contactless rotary position sensors. It also offers diagnostics of broken tracks for analog output operating modes along with PWL (piece-wise-linear) back-end calibration for output transfer characteristic.
Melexis Automotive Position Sensor with SENT Protocol Lowers Cost and Improves Performance Under Hood
IEPER, Belgium, July 30 -- SENT protocol for Engine Management devices gains support with launch of first fully integrated SENT rotary position sensor IC, MLX90324 by Melexis
High temperature performance and integrated support for the SENT (Single Edge Nibble Transmission) characterize the new MLX90324. Under-hood position sensor applications like EGR, manifold actuation, diesel throttle body, drive-by-wire pedals and other rotary, high precision position sensors become simpler, more reliable and more cost effective. The increased demand for sensors to meet new green standards in engine design can be well supported be Melexis MLX90324.
This newest member in the Triaxis(TM) family extends the features of previous award winning Triaxis(TM) rotary position sensor ICs. The MLX90324 implements the SENT protocol-also known as SAE J2716-Apr07 directly on chip for reporting functions and gains improved performance at high temperature.
Additionally the IC features improved diagnostics of broken tracks (for analog output operating modes) along with an enhanced PWL (piece-wise-linear) back-end calibration for the output transfer characteristic.
The SENT protocol has been initiated by General Motors and several partners in 2005. Subsequent development by an SAE (Society of Automotive Electronics) Workgroup resulted in the establishment of reference standard SAE J2716. This standard is in production vehicles and meets the goal of efficient, lower cost, higher performance communication protocols in demanding, mission critical functions for Engine Management. This IC's implementation retains both the option for analog communication alongside support for SENT allowing maximum flexibility in supply chain logistics.
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