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AS7221 Datasheet(PDF) 1 Page - ams AG |
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AS7221 Datasheet(HTML) 1 Page - ams AG |
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1 / 36 page  ams Datasheet Page 1 [v1-01] 2016-Dec-08 Document Feedback AS7221 Calibrated XYZ Chromatic Manager for Network Enabled Smart Lighting The AS7221 Smart Lighting Manager device is part of the ams Cognitive Lighting™ family of products that enable lights to be “aware” and adapt to their surroundings, autonomously adapting to human lighting and energy conservation needs. The device is equipped with an advanced Cognitive Lighting Engine (CLE) to optimize, chromatic white/color tuning, daylight harvesting and lumen maintenance via a combination of PWM and/or 0-10V controls with dimming ballasts. Direct connection to a local sensor network (LSN), enables connectivity with standard occupancy sensors, dimmers or communications bridges. AS7221 XYZ chromatic white/color sensing provides mapping to x, y (z) of the CIE 1931 2-dimensional color gamut coordinates and scales the coordinates to the CIE 1976 u’v’ coordinate system. The AS7221 integrates standard observer filters into standard silicon via nano-optic deposited interference filters which deliver high-stability over time and temperature. The LGA package includes a built in aperture to control light entering the sensor array. Integrated intelligence enables lifetime CCT calibration to within 2-4 Macadam steps. The AS7221 connects to standard 0-10V dimmers inputs and drives 0-10V dimming ballasts/drivers to enable a highly cost-effective white tunable current-steering luminaire design with a single-channel constant current ballast. Direct PWM inputs can also interface to standard LED drivers or multi-channel ballasts for constant voltage LED lighting architectures. A UART interface is provided for configuration, control and management of the CLE. This UART interface responds to simple Smart Lighting Set commands. Ordering Information and Content Guide appear at end of datasheet. General Description |
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