The RL IC (Rain and Light Sensor) is intended for controlling an optical sensor unit in automotive wiping systems.
It provides two embedded LED drivers with up to 40mA current for stimuli generation. A special, ... read more


  • Rain Sensor with SBC functionality
  • LIN Transceiver
  • Voltage regulator for peripheral supply
  • Configurable µC window watchdog
  • High sensitivity, no total reflection needed
  • Very high robustness against ambient influences like sun light, aging and dirt
  • 2 embedded LED Drivers, no external drivers needed
  • Supports functional safety (large number of diagnostic functions)


Document Description Type
Info Sheet PDF 248 kB
Product Flyer Automotive Gesture Control PDF 5,8 MB

Application diagram


  • Optical Rain Sensor (wiping systems)
    - Windshield
    - Security Cameras
  • Ambient light sensor (measurement) to control
    - Headlight
    - Head-up Displays
    - Air Conditioning
  • Pollution Sensor

Order Information

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Part No. Temp. Range Package Order No.
E527.05 -40°C to +105°C QFN44L7 E52705A39B


Part No. Description Board type Order No.
E527.04/E527.05 Evaluation Kit Evaluation Board KI1210005

*)Without LED current and photo diode current

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