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Checker boarding LT-Q562A parallel strip lights 3000k and 3500k

Posted: Wed Aug 15, 2018 7:41 pm
by Selppin
I'm looking to do build like this (picture below), but with 12 strips instead of 14.

What I'd like to do is run 1 driver (HLG-240H-24B) and run the light strips alternating 3000k and 3500k in parallel like this;

3000k - 3500k - 3000k - 3500k - 3000k - 3500k - 3000k - 3500k - 3000k - 3500k - 3000k - 3500k

The voltages draw of each light strip *should* be that same, but is this realistic or would the different batches be enough to throw the voltages off and cause issues.

Thanks

Image

Re: Checker boarding LT-Q562A parallel strip lights 3000k and 3500k

Posted: Thu Aug 16, 2018 6:09 am
by DaveJonesFan
What you are planning should work fine.

Re: Checker boarding LT-Q562A parallel strip lights 3000k and 3500k

Posted: Thu Aug 16, 2018 10:59 pm
by majinboo
One question about the LT-Q562A and HLG-240H-24B driver: Considering the driver giving a constant voltage of 24V and these Q-Strips have an average voltage of 21.9V and a maximum of 23.1V, wouldn't that overpower the strips with too much voltage?

I am planning to build the recommended setup for 3'x3' with 18x LT-Q562A Strips and the HLG-320H-24B driver (http://ledgardener.com/diy-led-strip-bu ... bridgelux/).

If the 24B driver is the correct one for this setup, would it make sense to increase the number of strips to enhance the efficiency? Like 22x instead of 18x LT-Q562A strips

Re: Checker boarding LT-Q562A parallel strip lights 3000k and 3500k

Posted: Thu Aug 16, 2018 11:44 pm
by LEDG
The trick is that the driver is too small to overpower the strips like that. It does not produce enough current to give the strips what they want at 24V so it is forced to drop its voltage and put out all the current it can.

Re: Checker boarding LT-Q562A parallel strip lights 3000k and 3500k

Posted: Fri Aug 17, 2018 3:47 pm
by Shimbob
majinboo wrote:
Thu Aug 16, 2018 10:59 pm
One question about the LT-Q562A and HLG-240H-24B driver: Considering the driver giving a constant voltage of 24V and these Q-Strips have an average voltage of 21.9V and a maximum of 23.1V, wouldn't that overpower the strips with too much voltage?
Unlike every other electrical device you are familiar with, LEDs only take the voltage they want and ignore the rest. On the other hand they will consume every amp you provide it to the point of failure. Hence the voltage provided by the driver can be higher but the current must be limited.