By Vishay Semiconductor / Opto Division 156


Vishay's VCNL4020X01 combines an IR emitter, a photo-pin-diode for proximity, an ambient light detector, a signal processing IC, and a 16-bit ADC in one small 4.9 mm x 2.4 mm x 0.83 mm rectangular lead-less (LLP) package. The three-in-one sensor features an interrupt function, supports I2C bus communication interface, and greatly simplifies window and sensor placement in a wide variety of applications.

2014 EEPW Editor's Choice Award

Featuring an industry-high operating temperature range to +105 °C and the lowest package height on the market, Vishay's VCNL4020X01 received the Top Electronic Innovation Award in the "Best Sensor" category at the 2014 EEPW Editor's Choice Awards in Beijing on December 12. Associated Press Release

Features and Benefits
  • Package type: surface-mount
  • Dimensions (L x W x H in mm): 4.90 x 2.40 x 0.83 AEC-Q101 qualified
  • Integrated infrared emitter, ambient light sensor, proximity sensor, and signal conditioning IC
  • Interrupt function
  • Supply voltage range VDD: 2.5 V to 3.6 V
  • Supply voltage range IR anode: 2.5 V to 5 V
  • Communication via I2C interface
  • I2C bus H-level range: 1.7 V to 5 V
  • Floor life: 168 h, MSL 3, according to J-STD-020
  • Low stand by current consumption: 1.5 μA
  • Mobile devices (smart phones, touch phones, PDAs, GPS) for touch-screen locking, power saving and more
  • Automotive for presence detection
    • Integrated ambient light function for display/keypad contrast control and dimming of mobile devices
    • Rear view mirror dimming in automotive
    • Proximity/optical switch for consumer, computing, automotive and industrial devices, and displays (like notebooks, tablet PCs, and automotive touch panels)
    • Dimming control for consumer, computing, industrial, and automotive displays

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