Adding Intelligence to Lighting Applications

Driving LEDs with a Smart Buck-Boost Regulator

The Buck-Boost converter is used when the supply voltage may be above or below the required output voltage. The Buck-Boost converter is especially useful for battery applications. The Buck-Boost topology is also known as a fly-back or inverting regulator.

Buck-Boost LED Driver Using the PIC16F785

Recommended Part:

PIC12HV615 Mixed Signal 8-pin microcontroller with shunt regulator

PIC16HV616 Mixed Signal 14-pin microcontroller with shunt regulator

PIC16HV785 Mixed Signal 20-pin microcontroller with shunt regulator

Available Literature:

AN1035 – Designing with HV Microcontrollers

Development Tools

PICKit 2 Low Cost Development Programmer and Debugger