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
Ranking Name Answers
1 PCBWay Team 12
2 Jack Durie 1