All Questions
3
questions
0
votes
0
answers
52
views
How to measure Buck LED driver efficiency
I've build a custom LED driver based on a DC/DC Buck converter with a current feedback loop. It works pretty well, the calculated efficiency shall be somewhere around 95%, but I'm struggling with ...
0
votes
1
answer
344
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LED array at high current or high voltage?
Is it more efficient to drive LEDs at a high current and low voltage, than a lower current and high voltage?
I'm in a situation where I have to design an LED driver for a custom CoB emitter, so can ...
2
votes
1
answer
2k
views
A basic buck converter circuit to power 3W LEDs from PC power supply?
I'm just finishing up my first electronics course (edx.org), and I want to build some LED grow lights for starting seedlings in the winter. I have high power LEDs, like this one here, and I have a PC ...