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ams OSRAM AS7225 IoT Smart Lighting Directors

ams OSRAM AS7225 IoT Smart Lighting Directors incorporate an embedded digital tri-stimulus chromatic 'calibrated for life' nano-optic sensor providing direct CIE1931 XYZ and CIE 1976 u'v' coordinate mapping. Adaptive algorithmic support enables a companion microprocessor to implement closed-loop, autonomous adjustment of variable CCT and daylight responsive LED lamps and luminaires. The AS7225 lighting directors are pre-calibrated and designed for rapid integration into white-tunable and daylight responsive luminaire designs, delivering directives to the local microprocessor via an industry-standard I2C bus.

View LED Lighting Development Tools Eval Kit AS7225 Smart Light Direct V3

Features

  • Accurate supervision of variable CCT and spectrally tunable lighting
    • XYZ tri-stimulus chromatic sensing complemented by algorithmic closed loop target CCT and lux tuning directives
  • Built-in support for daylighting
    • When used as Native support for specific I²C add-in ambient light sensors, such as the arms TSL4531
  • Automatic spectral and lumen maintenance over temperature and time
    • Autonomous color point and lumen output adjustment resulting in automatic spectral and lumen maintenance
  • Simple addressable system interface
    • Direct register/tuning command read and write (I²C), with interrupt on directive-ready
  • Rapid luminaire integration
    • Simple register-based commands to control and configure key light-tuning supervisory and IoT sensor expansion functions
  • Complete data on lit environment
    • Readable registers for CIE 1931 and 1975 color-point coordinates, CCT, duv, and lux
  • Lifetime-calibrated sensing with no drift over time or temperature
    • Nano-optic silicon interference filters
  • Small package and wide operating range with critical optics built-in
    • 20-pin LGA package 4.5 x 4.7 x 2.5mm, 0⁰C to +85⁰C

Applications

  • Variable CCT chromatic tuning luminaires and systems:
    • Daylighting-responsive luminaires and systems
    • Commercial, retail, and residential white tunable/Kelvin-changing LED lighting systems
    • Smart lighting systems

Learn More About

Development Tools

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Application Notes

Resources

AS7225 Block Diagrams

Block Diagram - ams OSRAM AS7225 IoT Smart Lighting Directors
Publicado: 2017-01-17 | Actualizado: 2022-04-14