High Efficiency Tunable White LED DC-DC Driver with Bluetooth Smart Connectivity Reference Design
TIDA-01096
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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.

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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Design Files

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC2650  SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
LMT84  1.5V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
OPA376  Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
OPT3001  Digital ambient light sensor (ALS) with high-precision human-eye response  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
TPS92513HV  65-V 1.5-A analog current adjustable buck LED driver  LED drivers  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2650 Download Download
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LMT84 Download
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OPA376 Download Download
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OPT3001 Download Download
TPS92513HV Download Download

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