This constant current supply drives 44 IR osram high power leds.  The current supply is configured as a buck-boost and is capable of driving a 1 amp load at 100 vdc.  The leds are connected in series and the led power.  The controller utilizes the pic24 micro to set the intsensity with pwm.  The controller communication is through rs-232 or rs-485.  The design meets the design goal of 97% efficiency at full load.

Circular led illumination.  This device utilizes 40 rebel white leds to illuminate a large outdoor area.

Linear Infrared led illumination.  This shows a 1 foot section of a 12 foot long illumination bar.