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Vishay VCNL4030X01 automotive grade proximity and ambient light sensor

VCNL4030X01 integrates a proximity sensor, ambient light sensor, and a high power IRED into one small package

Vishay VCNL4030X01 sensor product picture

VCNL4030X01 integrates a proximity sensor, ambient light sensor, and a high power IRED into one small package. It incorporates photodiodes, amplifiers, and analog to digital converting circuits into a single chip by CMOS process. The 16-bit high resolution ALS for excellent sensing capabilities with sufficient selections to fulfill most applications whether dark or high transparency lens design. Both ALS and PS offer a programmable interrupt to save power on the microcontroller. The proximity sensor features an intelligent cancellation scheme, so that cross talk is eliminated effectively.


Key features

  • AEC-Q101 qualified
  • Integrated modules: IRED, ALS, proximity sensor (PS), and signal conditioning IC
  • Orderable in four different slave addresses
  • FiltronTM technology adoption for robust background light cancellation


Additional features


  • Immunity to red glow (940 nm IRED)
  • Programmable IRED sink current
  • Intelligent cancellation to reduce cross talk phenomenon
  • Smart persistence scheme to reduce PS response time
  • Selectable for 12- / 16-bit PS output data



  • High accuracy of ALS ± 10 %
  • Fluorescent light flicker immunity
  • Spectrum close to real human eye responses
  • Selectable maximum detection range (262 / 524 / 1048 / 2096 / 4192) lux with highest sensitivity 0.004 lux/step



  • Programmable interrupt function for ALS and PS with upper and lower thresholds
  • Adjustable persistence to prevent false triggers for ALS and PS



  • Automotive for presence detection
  • Collision detection in robots and toys
  • Dimming control for consumer, computing, industrial
  • Mobile devices (e.g. smart phones, tablets)

Available tools


VCNL4030X01-SB (SensorBoard)


Vishay VCNL4030X01 ambient light sensor | EBV Elektronik

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