Melexis MLX92242LUA-AAA-300-CR

The Melexis MLX92242 is based on the Melexis Hall-effect switch latest platform, designed in mixed signal submicron CMOS technology. The device integrates a voltage regulator, Hall sensor with advanced offset cancellation system and a current sink-configured output driver and integrated capacitor all in a single package. Lateral sensing option is available by using the Melexis IMC technology. Based on the proven in use platform, the magnetic core is using an improved offset cancellation system allowing faster and more accurate processing while being temperature insensitive and stress independent. In addition a pre-programmable temperature coefficient is implemented to compensate the natural behavior of certain types of magnets becoming weaker with rise in temperature. The included voltage regulator operates from 2.7 to 24V, hence covering a wide range of applications. With the built-in reverse voltage protection, a serial resistor or diode on the supply line is not required so that even remote sensors can be specified for low voltage operation down to 2.7V while being reverse voltage tolerant. In an event of a drop below the minimum supply voltage during operation, the under-voltage lock-out protection will automatically freeze the device, preventing the electrical perturbation to affect the magnetic measurement circuitry. The output current state is therefore only updated based on a proper and accurate magnetic measurement result. The two-wire interface not only saves one wire, but also allows implementation of diagnostic functions as reverse polarity connection and malfunction detection. The on-chip thermal protection also switches off the output if the junction temperature increases above an abnormally high threshold. It will automatically recover once the temperature decreases below a safe value. The MLX92242 is delivered in a Green and RoHS compliant Plastic Single-in-Line (TO-92 flat) for through-hole mount, or PCB-less design with integrated capacitor or in 3-pin Thin Small Outline Transistor (TSOT) for surface mount process.

• Wide operating voltage range: from 2.7V to 24V
• Maximum application flexibility by re-programming of all sensor functions
• Customer End-of-Line programming via VDD pin in the application module for system design optimization
• Lateral sensing by IMC technology
• Wide programmable magnetic Latch/Switch range
• Programmable magnetic hysteresis, active pole, output polarity
• Programmable permanent magnet Temperature Coefficient compensation from 0 to -2000ppm/℃
• Integrated self-diagnostic functions activating dedicated Safe Mode
• Reverse supply voltage protection
• Under-Voltage Lockout protection
• Thermal protection
• Integrated capacitor for PCB less designs
• HW component Qualified according to ISO26262-8:13 for use in safety critical systems

• Automotive, Consumer and Industrial
• Wiper motor
• Brake light switch
• Window lifter
• Door lock
• Seatbelt buckle
• Seat positioning
• Sunroof/Tailgate opener
• Transmission applications
• Electrical power steering
• Speed sensing (motorcycles)