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Optoelectronics/Displays  

LED dev't kit enables real-time digital control

Posted: 18 May 2010     Print Version  Bookmark and Share

Keywords:LED controller kit  real-time  digital control 

Texas Instruments Incorporated (TI) rolls out TMS320C2000 Piccolo microcontroller (MCU) based DC/DC LED developer's kit that enables designers to design intelligence and advanced features into cost-efficient lighting applications.

The LED controller kit enables developers to leverage the performance of low-cost Piccolo MCUs to differentiate LED designs with advanced features such as dimming, colour tone adjustment, power line communication and fault detection. Additionally, developers can reduce system cost through the integrated control of LED and power stages using a single Piccolo MCU. The kit is easily adaptable for varying design needs, as it supports multiple power configuration options, modular Piccolo controlCARDs and a detachable LED panel. The DC/DC LED developer's kit comes complete with all of the open source hardware and software needed to jumpstart design of energy-efficient LED electronics, including backlighting, street lighting and building automation lighting.

Piccolo F28035 controlCARD provides 60MHz of 32-bit performance, 14 PWM outputs, a 12-bit, 4.6 megasample-per-second ADC, and 128KB of flash memory to support advanced lighting features. It's digitally controlled buck/boost DC/DC 12-24V power conversion stage allows developers to adjust voltage to match varying LED configurations. 8 independent 5 watt LED strings allow unique current sensing for features like individual brightness adjustment and blown string detection. It packs onboard isolated XDS100 USB JTAG emulation simplifies debugging and programming while reducing system cost. It has easy-to-use, open source controlSUITE software that includes examples for closed loop control of DC/DC power and LED driver stages as well as detailed lab documentation of software structure and functionality. Its modular controlCARD concept allows developers to choose the right C2000 MCU to fit varying price, performance and peripheral requirements.





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