TMG4903 Optical Sensor
3D Gesture, Color, ALS, and proximity sensor module
Features
- 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
Benefits
- 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

Tools
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 |
Notifications
Type | Description | Language | ||
---|---|---|---|---|
EoL Notification | UMC Filter Line (issued May-20-2021) | English |
Other information
Type | Description | Language | ||
---|---|---|---|---|
Block Diagram | TMG4903 Block Diagram | English |