hi, i need to drive & dimm 72 leds (vf=3.2v ;0.35A) + 72 leds (vf=2.2v; 0.3A). i want to use low Vin such as 24-48Vmax There are so many combinations.What is the simplest and cost effective way, for a simple drive and dimmer (by MCU). i want to drive...