2answers

[PCB Prototype] Constant current LED driver

I want to power a constant current LED (145mA & 200mA) at 19-21V.Since this will be powered by Li-ion battery connected to a tp4056, which is the most efficient way to boost the voltage from 3.7V ...
  • answered Aug 12,2020
    by Joson
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1 PCBWay Team 10
2 Marcell Feher 2
3 Engineer 1
4 Brandon Weatherly 1
5 Rayan Bayan 1