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IR Proximity Sensing Module

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IR Proximity Sensing ModuleThe 1-mm3 TMD2635 IR Proximity Sensing Module from ams AG enables audio manufacturers of True Wireless Stereo (TWS) earbud products to develop smaller, lighter industrial design earbuds.

The IR proximity sensor enables wireless earbud in-and-out of ear detection to help extend battery life between charges and can be used in tandem with another TMD2635 to enable elementary touchless gesture control without the need for buttons. The TMD2635 is a complete light-to-digital sensor module that integrates a low-power IR vertical cavity surface emitting laser (VCSEL) emitter, two sensor pixels for near- and far-field sensing, and a digital fast-mode I2C interface in a miniature land grid array package.

The TMD2635’s optical stack and the high performance of the internal laser emitter produce crosstalk rejection, high immunity to interference from ambient light, and effective algorithms which convert IR light measurements to accurate proximity detection results.

Winter 2019

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ProductsIR Proximity Sensing ModuleAMSSensors & Detectorsearbud sensorlasersTest & MeasurementopticsConsumerEurope

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