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The MLX81116 is a multi-channel RGB-LED driver that enables high-speed light animations especially with the MeLiBu™ communication interface.

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Top features

  • MCU for extended LED control algorithm, color mixing and full diagnosis

  • Red/Green and Blue LED temperature compensation without additional external components

  • Color mixing accuracy of 1% delta UV

  • 16-bit color/intensity control

  • Storage of LED calibration data directly within LED driver

  • Low side programmable calibrated current sources for LED control

  • Direct and multiplex LED drive without additional external components

  • LEDs fully diagnosable (Short circuit, broken line, threshold monitor)

  • MeLiBu™ communication interface

  • Real-time update of >250 RGB LEDs without delay

  • 5.5 - 18 V supply voltage (40 V proof)

  • ASIL B classification

  • QFN 4x4 package, 24 pins

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MLX81116 - Smart multi-channel RGB-LED driver - MLX81116

Product description

The MLX81116 is a fully integrated smart automotive LED driver with high-speed robust communication (MeLiBu™) between multiple LED drivers to enable applications with high RGB-LED counts for highly dynamic light animations within cars. All necessary components needed for LED driving as well as communication are integrated and allow to develop powerful and cost-optimized animated light systems. The embedded intelligence allows a very high accuracy of the RGB color mixing as well as the support of ASIL B grade applications thanks to the MeLiBu™ communication system.

Key applications

  • Highly animated light modules
  • Smart light bar
  • Advanced driver communication by light
    • Safety warning applications
    • Advanced navigation support
    • Blindspot warning
MLX81116 block diagram 

Features and benefits

  • MCU for extended LED control algorithm, color mixing and full diagnosis

  • Red/Green and Blue LED temperature compensation without additional external components

  • Color mixing accuracy of 1% delta UV

  • 16-bit color/intensity control

  • Storage of LED calibration data directly within LED driver

  • Low side programmable calibrated current sources for LED control

  • Direct and multiplex LED drive without additional external components

  • LEDs fully diagnosable (Short circuit, broken line, threshold monitor)

  • MeLiBu™ communication interface

  • Real-time update of >250 RGB LEDs without delay

  • 5.5 - 18 V supply voltage (40 V proof)

  • ASIL B classification

  • QFN 4x4 package, 24 pins

Documents and tools

Videos

MeLiBu RGB LED Driver For Automotive

Product

Discover MeLiBu - Melexis Light Bus - a high-speed low-BOM automotive robust communication system that enables applications with high RGB-LED counts for highly animated light animations within cars.

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