LED PCB — engineering focusLED PCB — engineering focusMinimum supply24 V exampleDriver allowance1 V assumedLED pairLED pairLED pair6 LEDs × 3.2 V cold maximum + 1.0 V allowance = 20.2 V24.0 V minimum supply − 20.2 V requirement = 3.8 V marginIllustrative buck planning case; actual driver limits still require review.³Ô¹Ïtv | Conceptual engineering illustration · not a production schematic