en.Wedoany.com Reported - Vishay Intertechnology, Inc. Optoelectronics Group, USA, has announced the launch of a new high-sensitivity proximity sensor, the VCNL36758. This device comes in a 5.0 mm x 2.0 mm x 1.5 mm surface-mount package, integrating an infrared emitter, photodiode, amplifier, and 12-bit ADC into a single unit, enabling medium-distance proximity detection of up to 600 mm.
Compared to the previous generation solution, the VCNL36758's package volume is reduced by 65%, making it suitable for space-constrained designs requiring longer detection distances. The sensor's built-in integrated infrared emitter is driven by an internal current sink and features an internal selectable register, allowing engineers to adjust the detection range and power consumption according to actual needs. The device's emitter has a peak wavelength of 940 nm with no visible "red tail," and its operating temperature range is from -40°C to +85°C.
In terms of applications, the VCNL36758 can be used for display activation presence detection in printers, copiers, tablets, and home appliances; obstacle avoidance in toys and robots; proximity sensing and lighting control in offices, corridors, and public buildings; contactless activation in sanitary fixtures; and vacant space detection in parking lots and garages. To ensure reliability under ambient light sources, the sensor is equipped with intelligent background light cancellation, and its high sensitivity also supports dark lens designs.
In terms of power management, the VCNL36758's programmable interrupt function allows designers to set high and low thresholds, reducing continuous communication with the microcontroller and lowering system power consumption. The active force mode can trigger a single measurement via a single command, providing further power-saving options. The device's 12-bit proximity sensor uses intelligent cancellation technology to eliminate crosstalk, combined with an adjustable persistence scheme to prevent false triggering. The sensor uses a lead-free 10-pin molded package, is RoHS compliant, halogen-free, and meets Vishay Green standards. The VCNL36758 is now available with samples and production quantities, with a lead time of 16 weeks.
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