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TMG4903 Optical Sensor

3D Gesture, Color, ALS, and proximity sensor module


  • Parallel ALS, proximity and gesture operation
  • Four simultaneous operating gesture engines with automatic pulse control
  • Dedicated GPIO to support external FET and IR-LED
  • +/-10% ALS Lux accuracy


  • Enables independent operation of key functions for maximum software flexibility
  • Facilitates enhanced 3D gesturing
  • Generates highest accuracy color sensing

Product parameters

Supply Voltage [V] 1.7 - 2.0
Interface 1.8V I²C
Programmable Yes
Max. Lux [klx] 100
Temperature Range [°C] -30 to 85
Package 8-pin module

General description

The TMG4903 device family features a slim modular package, 2.0mm x 5.0mm x 1.0mm and incorporates an IR LED and factory calibrated LED driver. The device exhibits advanced 3D gesture detection, proximity detection, digital ambient light sense (ALS), color sense (RGBC).

Not Recommended for New Designs!

ams-OSRAM AG is discontinuing production of this device. Final lifetime buy order must be placed by OCTOBER 15, 2021. Please contact your local sales representative for further information regarding available or planned replacement options.

This product suits for the following applications:

  • Ambient light sensing (ALS) for mobile handsets, tablets and notebooks
  • Enables next generation of touchless 3D gesture UI
  • System interface in controlled environments
  • Color temperature measurement


Title Category Headline Buy
TMx4903EvalKit Application Board Evaluation Kit for TMx4903

Technical documents

Type Description Language
Datasheet Document version 1-01 English
Application Note Improving Color Sensor Lux Accuracy English
Application Note Colorimetry Tutorial (DN 20) English
Application Note Optimizing Proximity Parameters English

Environmental documents

Type Description Language
Material Declaration Form MDF_300590052_TMG49037 English
Material Declaration Form MDF_300590052_TMG49033 English


Type Description Language
EoL Notification UMC Filter Line (issued May-20-2021) English

Other information

Type Description Language
Block Diagram TMG4903 Block Diagram English
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