Melexis Highly Integrated EOL Programmable Hall Sensor Supports Direct Connection into Automotive/Industrial Designs without Need for PCB or Discrete Components

 

Melexis MLX92242 IC | In Compliance Magazine

Melexis Technologies NV has followed up the success of its initial MLX92242 Hall effect switch/latch IC, which offers end-of-line (EOL) programmability and support for 2-wire operation, with a further product introduction. The company now announces a new version of this device which enables easier implementation and saves valuable space.

Strengthening its innovative ‘No PCB’ design concept, Melexis’ MLX92242 has a built-in capacitor – so that the device can be implemented directly into the design without inclusion of supplementary board level components which would increase the overall dimensions and necessitate additional soldering. It achieves all this while still delivering identical performance and functionality to the original MLX92242, as well keeping the standard industry TO-92/UA package form factor, enabling drop-in replacement solutions.

As with the standard MLX92242, a Hall sensing element, a voltage regulator (covering 2.7V to 24V), a current sink-configured output driver and a series of sophisticated IC protection mechanisms (over-voltage, reverse voltage, thermal shutdown, etc.) are all included, plus an EEPROM memory via which EOL programming can be executed. The EEPROM allows suitable magnetic thresholds to be set for the particular application scenario, then subsequently locked. Alternatively pre-programming can be carried out by Melexis to customers’ specifications. A magnetic switching range spanning from 1mT to 64mT and a magnetic latching range of -64mT to 64mT is achievable. Also its temperature compensation capacity can counter the effects of magnetic drift.

Key uses for this device (as well as the standard MLX92242) are within the seat track position and seatbelt buckle latch detection systems needed to acquire vehicle occupancy data for maximizing the effectiveness of air bag deployment, as well other applications like electric power steering systems, door release latches and window lifter actuators. There are also broad spectrums of industrial applications for which it can be utilized.

For more specifications, visit www.melexis.com.

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