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Max16820att high power led string driver

Led headlights are beginning to emerged from the open although there is still no true led headlight available in the market, they are still on the experimental stages for beam, focus, reliability, and if there was, it will be expensive.So why not experiment with leds and come up with your own. Using one Ic and some discrete components, you can do so.


 In this page, tried using max16820at+t by maxim

The MAX16819/MAX16820, step-down constant-current high-brightness LED (HB LED) drivers provide a cost-effective solution for automotive interior/exterior lighting, architectural and ambient lighting, LED bulbs such as MR16 and other LED illumination applications.

The MAX16819/MAX16820 operate from a 4.5V to 28V input voltage range and feature a 5V/10mA on-board regulator. A high-side current-sense resistor adjusts the output current and a dedicated PWM input (DIM) enables a wide range of pulsed dimming.