Smart multi-channel RGB-LED controller with 16 drivers
MLX81117 Melexis
The MLX81117 is a multi-channel RGB-LED controller that enables high-speed light animations, extending the MeLiBu product family with a higher number of integrated LED drivers
Top features
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MCU for extended LED control algorithm, color mixing and full diagnosis
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Red/Green and Blue LED temperature compensation without additional external components
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Color mixing accuracy of < 1% delta UV
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16-bit color/intensity control
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Storage of LED calibration data directly within LED driver
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Low side programmable calibrated current sources for LED control
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Direct LED drive without additional external components
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LEDs fully diagnosable (Short circuit, broken line, threshold monitor)
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MeLiBu® communication interface
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Real-time update of > 250 RGB LEDs without delay
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5.5 - 18 V supply voltage (40 V proof)
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ASIL B classification
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16 LED drivers
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Memory
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32 kB Flash
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2 kB RAM
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512 B EEPROM
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System ROM
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QFN32 5x5 package, 32 pins
Product description
The MLX81117 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. The MLX81117 extends the MeLiBu product family with a higher number of integrated LED drivers.
Key applications
- Adaptive roof light
- Highly animated light modules
- Smart light bar
- Advanced driver communication by light
- Safety warning applications
- Advanced navigation support
- Blindspot warning
Evaluation kit and Software are available on request. Please contact Melexis for additional information.
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 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
-
16 LED drivers
-
Memory
-
32 kB Flash
-
2 kB RAM
-
512 B EEPROM
-
System ROM
-
-
QFN32 5x5 package, 32 pins
Documents and tools
Application flyer(s)
Datasheet(s)
Product flyer(s)
Selection guide(s)
Related tech talks
Videos
MeLiBu RGB/LED Driver for Automotive
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.
