DiY LEDs - How to Power Them

Rocket Soul

Rocket Soul

Well-Known Member
Hey guys. Im looking at getting some advice on low amp, +48V drivers, with dimming and if possible on/off via PWM. Most likely the driver will power 3 separate parallel strings with 0-100mA in each string so looking for something with approx 300mA max, even lower would be better cause i really think ill never be over 40mA per string, so 120mA in total.
 
Rocket Soul

Rocket Soul

Well-Known Member
Rocket Soul said:
Hey guys. Im looking at getting some advice on low amp, +48V drivers, with dimming and if possible on/off via PWM. Most likely the driver will power 3 separate parallel strings with 0-100mA in each string so looking for something with approx 300mA max, even lower would be better cause i really think ill never be over 40mA per string, so 120mA in total.
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Forgot to tag some people:
@Barristan Whitebeard has schooled me on drivers a few times
@SupraSPL and @Randomblame are better than google whem it comes to led.

Anyone has an idea? Maybe with a dc to dc driver?
 
guy_incognito251

guy_incognito251

Well-Known Member
They can dim to off using a PWM control signal (2.5V to 6V PWM for the LDD-H) - the output is PWM when dimmed.

They are DC to DC converters though so you will need a constant voltage supply to power them. The LDD-300H can output up to 52V at 300ma - it needs a constant voltage input at least 3V higher than the output voltage (max input voltage is 56V). They are most efficient when there is a small difference between the input and output voltage.

https://www.meanwell.com/webapp/product/search.aspx?prod=LDD-H
 
Rocket Soul

Rocket Soul

Well-Known Member
guy_incognito251 said:
They can dim to off using a PWM control signal (2.5V to 6V PWM for the LDD-H) - the output is PWM when dimmed.

They are DC to DC converters though so you will need a constant voltage supply to power them. The LDD-300H can output up to 52V at 300ma - it needs a constant voltage input at least 3V higher than the output voltage (max input voltage is 56V). They are most efficient when there is a small difference between the input and output voltage.

https://www.meanwell.com/webapp/product/search.aspx?prod=LDD-H
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Thats the ticket...
 
Rocket Soul

Rocket Soul

Well-Known Member
Yesyes3000 said:
I’ve emailed them twice already just have t heard back yet. I imagine they get lots of email
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ledgardener.com

DIY LED Strip Build Designs for Samsung H-Series, F-Series, Q-Series, and Bridgelux EB Gen.2 - LED Gardener

DIY LED strip builds have become very popular recently. The mid-power section of our forum is full of threads created by DIYers looking to build their own custom lights, and new builds and ideas are surfacing every day. If you don’t live somewhere where you have easy access to premade lights...
ledgardener.com

This is what you want
 
Yesyes3000

Yesyes3000

Well-Known Member
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