This application report presents a solution to control an LED lighting system using TMS320F2803x
microcontrollers. The Piccolo™ TMS320F2803x series of devices are part of the family of C2000
microcontrollers which enable cost-effective design of LED lighting systems. With these devices it is
possible to control multiple strings of LEDs in an efficient and very accurate way. In addition, the speed of
the C2000 microcontroller allows it to integrate many supplemental tasks that would, in a normal system,
increase chip count and complexity.
These tasks could include DC-DC conversion stages, AC-DC
conversion stages with PFC, system management, and various communication protocols such as DALI,
DMX512, KNX or even power line communication. On the board described in this application report a DCDC
SEPIC stage has been integrated in addition to the dimmable control of eight individual LED strings.