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TMD4903 Color Sensor Module

Color, ALS, and proximity sensor module with mobeam™ and universal remote control


  • Color (RGB) and ambient light sensor with integrated UV/IR blocking filters
  • IRBeam optical pattern generator
  • Proximity detection with adaptive dynamic range, automatic crosstalk cancelation, and ambient light rejection
  • Integrated optical module


  • Enables highly accurate color and ambient light sensing under varying lighting conditions
  • Supports mobeam™ and universal remote control functionality
  • Low profile, small footprint package reduces board space – ideal for small devices

Product parameters

Supply Voltage [V] 1.7 - 2.0
I²C Bus 1.8V
Programmable Yes
Integrated Capabilities Color, ALS, proximity sensing
Recommended Operating Distances
Temperature Range [°C] -30 to 85
Package 8-pin module

General description

The TMD4903 features include color sensing (RGB), ALS, proximity detection and an IRBeam optical pattern generator capable of mobeam™ barcode emulation and universal remote control. In addition, it includes an integrated LED and advanced LED driver in a low profile and small footprint 2.0mm x 5.0mm x 1.0mm optical module.

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:

  • Light color temperature measurement
  • Ambient light sensing for display brightness control
  • Cell phone touchscreen disable
  • Printed bar code emulation
  • Universal remote control


Title Category Headline Buy
TMx4903EvalKit Application Board Evaluation Kit for TMx4903

Technical documents

Type Description Language
Datasheet TMD4903 datasheet English
Application Note Improving Color Sensor Lux Accuracy English
Application Note Lux and CCT Calculations (DN 40) English
Application Note Compensating for Light Flicker on Optical Sensors (DN 22) English
Application Note Improving Color Sensor Lux Accuracy English
Application Note Colorimetry Tutorial (DN 20) English
Application Note Optimizing Proximity Parameters English
Application Note Basic Pre-Production Light & Color Sensor Solution Validation Process English

Environmental documents

Type Description Language
Material Declaration Form MDF_300590052_TMD49037V English
Material Declaration Form MDF_300590052_TMD49033V English
Material Declaration Form MDF_300590052_TMD49033 English


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

Other information

Type Description Language
Block Diagram TMD4903 Block Diagram English
Factsheet Color Sensor and Proximity Detection Module with IRBeam Optical Pattern Generator English
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