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Melexis launches new LIN slave controller with memory-access protection

By Michelle Froese

Melexis, a global supplier of micro-electronic semiconductor solution, offers the MLX81114 — a LIN slave for ambient light applications in the automotive industry. The MLX81114 can control multiple LEDs connected via LIN wire harness and features a a memory-access protection option, which enables anti-theft applications.

The new device is suitable for bus systems, according to LIN 2.x and SAE J2602. The combination of a physical layer LIN transceiver and a LIN protocol controller, along with the current-controlled outputs, make it cost-effective and simple to develop in a short timeframe.

The top features include the memory-access protection, a 16-bit pipelined RISC microcontroller, and amath co-processor for 32-bit MUL/DIV operations.

To download the LIN RGB selection guide, click here. To watch a video on the MLX81114, click here.

Benefits

  • Memory-access protection

  • 16-bit pipelined RISC microcontroller with

    • 32 kByte Flash

    • System ROM with bootloader and LIN driver

    • 2 kByte RAM

    • 512 Byte EEPROM

  • Math co-processor for 32-bit MUL/DIV operations

  • Watchdog timers with independent clocks

  • Internal RC oscillator (max 32 MHz)

  • LIN protocol controller according to LIN 2.x and SAE J2602

    • Baudrate up to 19.2 kBaud

    • Frame processing

    • Low interrupt load to the application

    • LIN transceiver according to LIN 2.x and SAE J2602

      • Support for autoaddressing according to bus shunt method

  • 4x high voltage I/Os with free configurable current sources (up to 60 mA) for RGB+W

  • Diagnostic capability for connected LED (short, open, threshold)

  • 4x 16-bit PWM outputs

    • Configurable resolution

    • 10 bit ADC with DMA

      • Multiple channels (outputs, VS, temperature sensor, IOs)

      • Different reference voltages

      • Differential as well as single-ended measurement capability

      • DMA access

  • Low standby current consumption of typ. 25 µA (max 50 µA) in sleep mode

  • Integrated battery monitor including over- and under-voltage detection

  • Automotive temperature range of -40° to 125° C

  • 28 V jump start

  • Integrated temperature sensor

  • Developed following ISO26262 supporting safety system up to ASIL-A

  • AECQ-100 qualified

  • SOIC8 package with exposed pad


Filed Under: Components, News
Tagged With: melexis
 

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