Opto-Electronics


Ambient light and proximity sensor

29 September 2021 Opto-Electronics

Mouser Electronics is now stocking the TMD2712 ambient light and proximity sensor from ams. The sensor incorporates an infrared (IR) VCSEL (vertical cavity surface emitting laser) and factory-calibrated VCSEL driver in a tiny 1 x 2 mm module.

The TMD2712 provides object detection by photodiode detection of reflected IR energy (sourced by the integrated VCSEL). Detect/release events are interrupt-driven and occur when a proximity result crosses upper and lower threshold settings. The proximity engine features a wide range offset adjustment to compensate for unwanted IR energy reflection at the sensor. Proximity results are further improved by automatic ambient light subtraction.

The sensor has dedicated data converters producing 16-bit data. This architecture allows applications to accurately measure ambient light, enabling devices to calculate illuminance to control display backlighting.

Applications for the TMD2712 sensor include mobile phone display and proximity management, and user proximity detection and ambient light measurement for wearables.


Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Fast and reliable 4G connectivity worldwide
TRX Electronics DSP, Micros & Memory
Powered by a powerful Quectel LTE Cat 4 modem, the Arduino Pro 4G module’s fast data throughput and high bandwidths ensure reliable and quick data download and upload, even in remote locations.

Read more...
Advanced HMI delivers enhanced durability
Fox Controls Rand Opto-Electronics
This compact touchscreen HMI from IDEC provides essential visualisation and high-performance multitouch control, even in the most space-limited applications.

Read more...
Powerful UVC disinfection
Opto-Electronics
The S3535-H emitter generates an output power of more than 150 mW per chip at 265 nm, providing the strongest germicidal effect currently available on the market.

Read more...
Front panels for electronics
Seven Labs Technology Opto-Electronics
In the world of electronics, the significance of a well-designed front panel cannot be overstated as it serves not only as the first point of interaction between users and devices, but also plays a crucial role in the functionality and aesthetics of electronic products.

Read more...
Cree: Illuminating the future of LED technology
Altron Arrow Editor's Choice Opto-Electronics
As a pioneer in this field, Cree LED has been instrumental in shaping the LED landscape, driving innovation and performance in this sector.

Read more...
New optical sensors for object detection
Opto-Electronics
A special feature of the Würth Elektronik sensors is that they filter out visible light up to 800 nm, rather than just up to 700 nm, like many other sensors of this type.

Read more...
HTML5 WebPanel with Linux, Android, or AutomationBrowser
Vepac Electronics Opto-Electronics
Having a front protection rating of IP65, and additional features such as Wi-Fi, Bluetooth, USB, RS232 integrated, these panels are an excellent solution for most industrial applications.

Read more...
Laser control for smart glasses
Opto-Electronics
TDK has developed the world’s first full-colour laser control device for 4K smart glasses using lithium niobate thin film.

Read more...
PVision introduces interactive PoS to South Africa
Opto-Electronics
Recently, PVision partnered with Nexmosphere, a company that transforms any digital display into an engaging experience using sensors and controls, to bring the next level of point-of-sale digital displays to consumers.

Read more...
InGaAs and SWIR surveillance
Opto-Electronics
Sensing in the SWIR range (wavelengths from 0,9 to 1,7 microns) has only recently been made practical by the development of Indium Gallium Arsenide (InGaAs) sensors.

Read more...