VCNL4200 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

VCNL4200 product

VCNL4200

Integrated Circuits (ICs)

ambient light sensorproximity sensorI²C940 nm IREDoptical sensor10-pin SMD

VCNL4200 is an integrated I²C ambient-light and long-distance proximity sensor with a 940 nm IRED, programmable thresholds, and selectable ALS sensitivity.

Best for

  • I²C-based ambient-light measurement
  • Presence and proximity detection
  • Lighting-control systems

Avoid if

  • A fixed proximity distance is required without optical calibration
  • The design cannot support the required IRED pulse-current supply path

Check before use

  • Confirm operation at 2.5 V to 3.6 V
  • Set ALS integration time for required lux range
  • Characterize proximity thresholds with the final lens and enclosure

Key specifications

Supply voltage
2.5 V to 3.6 V
Proximity range
0 mm to 1500 mm
ALS resolution
0.003 lx/step to 0.024 lx/step
Interface
I²C / SMBus, 10 kHz to 400 kHz
Package
8.0 mm × 3.0 mm × 1.8 mm, 10 pins

Compliance & Environment

RoHS
Y

Application

Presence detectionLighting controlRobots and toysHome appliances

CAD Models

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3D Model
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Where to Buy

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Alternative components

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Design and risk insights

Questions & answers

VCNL4200 is a Vishay Semiconductors integrated optical sensor containing a 16-bit ambient-light sensor, a 12-bit or 16-bit proximity sensor, a 940 nm IRED, and an I²C/SMBus-compatible interface.