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3.05x2mm proximity sensor has proximity range up to 20cm for AR/VR

3.05x2mm proximity sensor has proximity range up to 20cm for AR/VR

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By eeNews Europe



With a range of up to 20cm, the VCNL36687S greatly simplifies the use and design-in of the proximity sensing capability in consumer and industrial applications, because no mechanical barriers are required to optically isolate the emitter from the detector. The VCNL36687S features a miniature, surface-mount 3.05 mm by 2 mm leadless package (LLP) with a low profile of 1mm. The VCSEL’s profile of ± 3° makes the VCNL36687S suitable for applications that require narrow angle detection and minimizes optical system design concerns.

Compared to previous generation devices, the VCNL36687S requires less energy to carry out the same functionality; with a 20 mA pulse current, the VCNL36687S can detect a Kodak Gray Card at a distance of 20 cm, where previous VCNL series devices required 200 mA of current.

Through its standard I2C bus serial digital interface, the VCNL36687S allows easy access to the proximity signal. Its programmable interrupt function offers wake-up functionality for the microcontroller when a proximity change occurs, which reduces processing overhead by eliminating the need for continuous polling.

Vishay Intertechnology – www.vishay.com

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