TI Releases High Efficiency Tunable White LED DC-Driver with Bluetooth Connectivity Reference Design

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Key Document

BLE Connected Dimmable Tunable White LED Light Circadian Lighting Design Guide (Rev. A) (PDF 6657 KB) 

View All Technical Documents (7)

Description

The TIDA-01096 TI design is a tested DC-DC LED driver sub system for tunable white LED luminaires. It is built-on a wireless SoC platform which can enable intensity adjustment (dimming) and co-related color temperature (CCT) control using any BLE smart device. Tunable white light luminaires simulate daylight conditions. With a separate warm-white and cold-white LED string, it allows CCT tuning and thereby helps achieving proper circadian stimulation. TI design TIDA-01096 provides high efficiency DC-DC conversion and allows dimming and color temperature control over more than 1:50 and 1:500 range using analog and PWM methods.

The TIDA-01096 TI design is a tested DC-DC LED driver. (TI/LEDinside) 

Features

  • 98% efficiency over 100% to 50% brightness with analog dimming. 1:50 contrast ratio with analog dimming and 1:500 with PWM dimming
  • PWM based dimming with modulation frequency support up to 5 kHz
  • Two 600 kHz constant current buck drivers with feature to synchronize the switching frequencies
  • Ambient light sensor OPT3001 based light measurement enabling daylight harvesting and constant lumen implementations in software
  • Overcurrent and over temperature protection for driver and LED module
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