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Melexis’ Latch & Switch sensor ICs use an innovative magnetic technology that allows the measurement of the lateral magnetic flux component.

The MLX92241 IC is the new generation factory programmable Hall-effect switch IC designed in mixed signal submicron CMOS technology.

This device integrates a voltage regulator, Hall sensor with advanced offset cancellation system, programmable digital logic and a current sink-configured output driver, all in a single package.

The MLX92241 IC is a factory programmable device, featuring a wide variety of parameters which can be configured according to target values determined through applications engineering development:

  • Bop
  • Brp
  • Hysteresis
  • Temperature compensation
  • Active pole
  • Output polarity
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Top features

  • PCB-less version with integrated capacitor available

  • Lateral sensing made possible by using IMC-Hall® technology

  • HW component qualified according to ISO26262-8:13 for use in critical safety systems

  • Wide operating voltage range from 2.7 to 24 V

  • Very wide range for magnetic sensitivity

  • Chopper-stabilized amplifier stage

  • Reverse supply voltage protection

  • Under-voltage lockout protection

  • Thermal protection

  • High ESD rating / Excellent EMC performance

  • Factory programmable magnetic switching thresholds (Bop, Hyst, TC)
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2-wire Hall-effect ASIL A sensor switch IC (2nd gen) - MLX92241

Features and benefits

  • PCB-less version with integrated capacitor available

  • Lateral sensing made possible by using IMC-Hall® technology

  • HW component qualified according to ISO26262-8:13 for use in critical safety systems

  • Wide operating voltage range from 2.7 to 24 V

  • Very wide range for magnetic sensitivity

  • Chopper-stabilized amplifier stage

  • Reverse supply voltage protection

  • Under-voltage lockout protection

  • Thermal protection

  • High ESD rating / Excellent EMC performance

  • Factory programmable magnetic switching thresholds (Bop, Hyst, TC)

Videos

Back-bias solution for position sensing applications

Application

Melexis’ Latch & Switch sensor ICs use an innovative magnetic technology that allows the measurement of the lateral magnetic flux component. As a result of the inclusion of IMC technology, simple wheel speed sensing on motorcycles can now be performed using a single two-wire switch sensor IC with an integrated capacitor (MLX92242 IC or MLX92241 IC) and a traditional magnet. This approach uses the lateral field rather than the previous method of using the perpendicular field, thus vastly simplifying the designer’s task.

Step-by-step guide to Latch & Switch portfolio

How to

During this video, Thomas Strauven, Applications Engineer for Latch & Switch, guides you through the Melexis selection guide for the Latch & Switch portfolio. This selection guide is a parametric document that allows you to find and compare the specifications and features of our extensive Latch & Switch portfolio.

Magnetic Latch Switch: Experience matters

Product

25+ years in Latch & Switch has given Melexis a unique view of market needs. Decisions taken in 1993 to focus on CMOS technology and TSOT packaging are just as valid today as they were then.

Understanding Latch & Switch evaluation board for MLX922xx products

How to

In this video, Thomas Strauven, Applications Engineer for Latch & Switch, demonstrates the functionalities of the Melexis programmable Latch & Switch demo board for MLX922xx IC products. This demo board is ideal for low volume testing and quick evaluation.

Lateral sensing with integrated IMC for DC/BLDC motor applications

Application

As brushless DC (BLDC) motors become an increasingly popular choice for many applications including blowers, cooling fans and pumps, more sophisticated control is required. By integrating an IMC into products, such as the MLX92211 IC, surface mount sensing is available, thereby simplifying the production process and reducing the space required.

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