Best driver choice for LED line lights?

ShineLong

Nov 26, 2024
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Recently I was planning a home DIY project to add some ambient lighting to my hallway and bookshelves at home using LED linear lights. I bought some 24V LED line lights (color temperature is 4000K), the length is about 5 meters per section, there are 4 sections in total.

I'm a bit confused about what driver solution to choose to make the lights more stable. I see that there are constant voltage and constant current options, and I'm not quite sure which one is more suitable for this application. Another question is, I'd like to add a wireless dimmer to adjust the brightness, but I'm not sure if this will affect the life of the LEDs or the brightness uniformity.
 

Harald Kapp

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Nov 17, 2011
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Please provide more detail about the LED lights you are using (make, model, datasheet?).
There are LED lights that need a constant current driver and there are LED lights that have internal current limiting/regulation that can be supplied by a voltage source.
Whether the lights can be dimmed at all depends on their construction. Some LED lights can be dimmed, others can't.
That's why we need more detail.

I'm a bit confused about what driver solution to choose to make the lights more stable.
What kind of "driver" are you currently using and what is that "unstable" behavior you seem to experience?
 

bidrohini

Feb 1, 2023
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Go with a constant-voltage driver rated for 24V. It should have enough wattage to handle your setup.
  • Choose a driver with at least 20-30% overhead, so a 24V driver rated for 250W is ideal. Here is a constant current LED driver design that you may take a look at:
 

Bluejets

Oct 5, 2014
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I'd be going back to where you bought the led strips as they would more than likely have the correct number and type of drivers required.
 
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