ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

TMG4903 Optical Sensor

3D Gesture, Color, ALS, and proximity sensor module with mobeam™ and universal remote control


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 along with a separate GPIO to support universal remote control. The device exhibits advanced 3D gesture detection, proximity detection, digital ambient light sense (ALS), color sense (RGBC), mobeam™ optical pattern generation/transmission for broadcast.


Key Features

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

Key Benefits

  • Enables independent operation of key functions for maximum software flexibility
  • Facilitates enhanced 3D gesturing
  • Printed barcode emulation for improved mobile coupon experience
  • Enables universal remote control capability
  • Generates highest accuracy color sensing

Product Facts

Supply Voltage [V] 1.7 - 2.0
Interface 1.8V I²C
Programmable yes
Maximum Lux 100k
Temperature Range [°C] -30 to 85
Packages 8-pin module

Additional Information

  • Ambient light sensing (ALS) for mobile handsets, tablets and notebooks
  • Enables next generation of touchless 3D gesture UI
  • System interface in controlled enviornments
    • medical, industrial, automotive
  • Color temperature measurement
  • E-commerce via printed bar code emulation