Feeding 12v 5050 led strip with 48V battery

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Nobuo   10 kW

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Feeding 12v 5050 led strip with 48V battery

Post by Nobuo » Nov 25 2014 9:46am

I'm installing 12V 5050 RGB led strips in my ride as position lights.

Image

I wonder if I can feed them just with a DC-DC converter efficiently, or better to fed them with a independent 12V battery

This is the DC-DC converter.

http://www.aliexpress.com/item/E-bike-D ... 06594.html

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Re: Feeding 12v 5050 led strip with 48V battery

Post by amberwolf » Nov 25 2014 11:21am

Either works fine as long as it supplies t he current needed for them.

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Nobuo   10 kW

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Re: Feeding 12v 5050 led strip with 48V battery

Post by Nobuo » Nov 26 2014 5:13am

Thank You for your fast reply :)

That DC-DC converter is rated at 12V 10A max, but 6A max recommended.

5 meters 5050 (60 led / meter) is rated 72W (6A at 12V)

That means that I would be able to feed a whole 5 meters strip just with that small DC-DC converter?

If I use the whole 5 meters strip, Should I put a ~7A fuse between Strip and DC-DC converter?
Last edited by Nobuo on Nov 26 2014 5:34am, edited 1 time in total.
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Re: Feeding 12v 5050 led strip with 48V battery

Post by 1000w » Nov 26 2014 5:21am

That dc converter will easily run that led strip.
I use the same dc converter to run a few metres of leds and a triple cree head light.

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Nobuo   10 kW

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Re: Feeding 12v 5050 led strip with 48V battery

Post by Nobuo » Nov 26 2014 5:37am

OH nice! it gets warm? I need to put a fuse between?.

Just if anyone has that converter, this is a very interesting item :)

http://www.aliexpress.com/item/Dropship ... 80393.html
* Lithium + Air = Fire * <-----> ** Lithium + Chemical-Additives + Air = ZERO Fire **
<Battery and EV works>
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1000w   1 kW

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Re: Feeding 12v 5050 led strip with 48V battery

Post by 1000w » Nov 26 2014 10:14am

The converter doesn't get warm in my installation and I don't use a fuse with it, but using a fuse may be a good idea, it's your choice.
Cheers

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Re: Feeding 12v 5050 led strip with 48V battery

Post by ddk » Nov 30 2014 6:06am

I'm assuming you're using a RGB controller.
The small-ish ones have 2A drivers per color string and work (brightly) between 12-24V. They don't use a convertor so the power use @ 224V is almost twice what it is at 12V (not that you intend to run this at 24V, just trivial info...)
Every color other than white uses less than 6A for the whole string
If you only use a single die, like red (R), you only need a 2A (plus a little bit more) source

...don't ask how I know all this

LOL
slightly visable.jpg
2 strings of 5050 RGB
slightly visable.jpg (29.83 KiB) Viewed 996 times
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