Bridgelux EB Series Build

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brahbbyB

Active Member
Well my order shipped today from Digikey, looks like they only have the 4000K+ in stock currently.

http://www.digikey.com/product-search/en?FV=ffecd831

Still have not heard back from Bridgelux on a 3500k Spectrum Graph. Looks like these only got released at the end of October, which explains the lack of stock anywhere.

Hopefully my LDD's/PSU/PCB's will be here by next week, I will try to hook up a thermocouple to a 1A board to see how hot its getting.
 
BuddyColas

BuddyColas

Well-Known Member
brahbbyB said:
I think I am going to move forward with these EB series, but in the 40" length and go with larger 4' wide tent. I am looking at about 9 of the 40" modules putting me around ~407W @ 1000ma.

To drive them I was looking to use a bunch of the Mean Well LDD-1000H mounted on some 5UP PCB's.
http://www.ebay.com/itm/Ldd-1000H-5-channels-LED-driver-on-PCB-Board-/311516001741


To power 2x of these PCB's, I'll see how cheap of a 500W+ 36/48V AC/DC Power Supply I can get. I've got an Arduino hanging around that I can use for the PWM input.
Click to expand...
So I believe they are 44" long...just saying.
 
B

brahbbyB

Active Member
Parts came in over the last week, finally got a chance to wire them up tonight. Taking a look at them, they appear to be a single sided PCB. I am a little dissapointed they do not have any thermal vias or backside copper, but I will have to see how well they dissipate heat:
IMG_1408.png

IMG_1409.png
 
B

brahbbyB

Active Member
Hooked 5 of them up to a Coralux 5up PCB w/ 5xMeanwell LDD-1000h drivers. Powering this with a 480w 48V 10A PSU.

IMG_1412.png

This board requires a PWM controller in order to start due to having pulldown resisters. I have an Arduino Uno driving all 5 pins hooked up to potentiometer.
Running @ 1000ma the initial voltage was 45.5V on the output of each board. After running them for about 30 minutes they dropped to 45.1V due to temperature rising I can assume.

IMG_1414.png

No temperature reading, but looking at the datasheet I can only assume they are running > 50C @ 45.1V. I have piece of 48"x24" aluminum sheet on order, I will try to get some readings later this week on temp difference between Al Sheet/Wood Counter/Air.

Also Bridgelux still never got back to me on the 3500k spectrum chart, so these are all 4000k boards.
 
BuddyColas

BuddyColas

Well-Known Member
brahbbyB said:
Hooked 5 of them up to a Coralux 5up PCB w/ 5xMeanwell LDD-1000h drivers. Powering this with a 480w 48V 10A PSU.

View attachment 3858838

This board requires a PWM controller in order to start due to having pulldown resisters. I have an Arduino Uno driving all 5 pins hooked up to potentiometer.
Running @ 1000ma the initial voltage was 45.5V on the output of each board. After running them for about 30 minutes they dropped to 45.1V due to temperature rising I can assume.

View attachment 3858845

No temperature reading, but looking at the datasheet I can only assume they are running > 50C @ 45.1V. I have piece of 48"x24" aluminum sheet on order, I will try to get some readings later this week on temp difference between Al Sheet/Wood Counter/Air.

Also Bridgelux still never got back to me on the 3500k spectrum chart, so these are all 4000k boards.
Click to expand...
brahbbyB said:
Hooked 5 of them up to a Coralux 5up PCB w/ 5xMeanwell LDD-1000h drivers. Powering this with a 480w 48V 10A PSU.

View attachment 3858838

This board requires a PWM controller in order to start due to having pulldown resisters. I have an Arduino Uno driving all 5 pins hooked up to potentiometer.
Running @ 1000ma the initial voltage was 45.5V on the output of each board. After running them for about 30 minutes they dropped to 45.1V due to temperature rising I can assume.

View attachment 3858845

No temperature reading, but looking at the datasheet I can only assume they are running > 50C @ 45.1V. I have piece of 48"x24" aluminum sheet on order, I will try to get some readings later this week on temp difference between Al Sheet/Wood Counter/Air.

Also Bridgelux still never got back to me on the 3500k spectrum chart, so these are all 4000k boards.
Click to expand...
Awesome. Exactly the strips I am interesting in (44" 4K).

So that’s about 45 watts a strip just laying on the kitchen table. And .9% voltage sag after 30 min at 1 amp (from 45.5 to 45.1v)…that’s pretty good with no heatsink! How do the strips feel in the palm of your hand after 30 min. at 1 amp?
 
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welight

welight

Well-Known Member
brahbbyB said:
Parts came in over the last week, finally got a chance to wire them up tonight. Taking a look at them, they appear to be a single sided PCB. I am a little dissapointed they do not have any thermal vias or backside copper, but I will have to see how well they dissipate heat:
View attachment 3858823

View attachment 3858825
Click to expand...
Bridgelux say they dont require heatsinking so it would have been counter to that narrative to add thermal vias, I dont know of any mid power FR4 PCB that use thermal vias, given that it would be of no use to have backside copper, I would certainly mount them on alu strip however as insurance, especially if your going to side by side them
Cheers
Mark
 
B

brahbbyB

Active Member
Ryante55 said:
Have you seen the Samsung h series strips? I wonder how they compare to these
Click to expand...
I havn't seen an H-Series, but I did look into the Samsung 4-ft M-Series:
http://www.samsung.com/global/business/business-images/led/file/product/lighting/201604/Data_Sheet_M-series_4ft_Rev.0.3.pdf
At the time they were more expensive on Digikey, but looks like you can get the for about a dollar cheaper on arrow vs. the Bridgelux EB's. The datasheet doesn't specify running them at higher amperage and says a max lumens of 5900 , but not sure if this is just referring to their individual LED binning at the tested 1400ma.
 
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Ryante55

Well-Known Member
brahbbyB said:
I havn't seen an H-Series, but I did look into the Samsung 4-ft M-Series:
http://www.samsung.com/global/business/business-images/led/file/product/lighting/201604/Data_Sheet_M-series_4ft_Rev.0.3.pdf
At the time they were more expensive on Digikey, but looks like you can get the for about a dollar cheaper on arrow vs. the Bridgelux EB's. The datasheet doesn't specify running them at higher amperage and says a max lumens of 5900 , but not sure if this is just referring to their individual LED binning at the tested 1400ma.
Click to expand...
The h series uses newer diodes they use the 561c same as the quantum board
 
B

brahbbyB

Active Member
Ryante55 said:
The h series uses newer diodes they use the 561c same as the quantum board
Click to expand...
Just looking them up now, definitely more efficient (187lm/W vs. 158 lm/w) but close to double the cost ($27.58 vs. $14.95).
http://www.digikey.com/product-detail/en/samsung-semiconductor-inc/SI-B8T221B2HUS/1510-1578-ND/6149743
I settled on the EB series for bang/buck ratio for around ~$300-350 including drivers. The samsungs will definitely payoff in the long term operating costs, but being a rookie here, I am not looking extremely long term.
 
R

Ryante55

Well-Known Member
brahbbyB said:
Just looking them up now, definitely more efficient (187lm/W vs. 158 lm/w) but close to double the cost ($27.58 vs. $14.95).
http://www.digikey.com/product-detail/en/samsung-semiconductor-inc/SI-B8T221B2HUS/1510-1578-ND/6149743
I settled on the EB series for bang/buck ratio for around ~$300-350 including drivers. The samsungs will definitely payoff in the long term operating costs, but being a rookie here, I am not looking extremely long term.
Click to expand...
It's 27 for the 4 foot is the bridgelux 4 feet?
 
B

brahbbyB

Active Member
As for some more testing, I was able to run another test this afternoon for ~1 Hour and got the following:

5 x 4000k EB Strip 4000k running at 100%
Voltage: 44.8V-44.9V on all 5 LDD-1000H
Temperature: Directly under LED on bottomside of board ~60C (measured with infared thermometer): around 54C on topside of PCB between LED's
Wattage at wall: Settled at 263W (267W when fan ran on 48V PSU)
 
muleface

muleface

Well-Known Member
brahbbyB said:
Hooked 5 of them up to a Coralux 5up PCB w/ 5xMeanwell LDD-1000h drivers. Powering this with a 480w 48V 10A PSU.

View attachment 3858838

This board requires a PWM controller in order to start due to having pulldown resisters. I have an Arduino Uno driving all 5 pins hooked up to potentiometer.
Running @ 1000ma the initial voltage was 45.5V on the output of each board. After running them for about 30 minutes they dropped to 45.1V due to temperature rising I can assume.

View attachment 3858845

No temperature reading, but looking at the datasheet I can only assume they are running > 50C @ 45.1V. I have piece of 48"x24" aluminum sheet on order, I will try to get some readings later this week on temp difference between Al Sheet/Wood Counter/Air.

Also Bridgelux still never got back to me on the 3500k spectrum chart, so these are all 4000k boards.
Click to expand...
Great setup! love it!
 
PicklesRus

PicklesRus

Well-Known Member
brahbbyB said:
I havn't seen an H-Series, but I did look into the Samsung 4-ft M-Series:
http://www.samsung.com/global/business/business-images/led/file/product/lighting/201604/Data_Sheet_M-series_4ft_Rev.0.3.pdf
At the time they were more expensive on Digikey, but looks like you can get the for about a dollar cheaper on arrow vs. the Bridgelux EB's. The datasheet doesn't specify running them at higher amperage and says a max lumens of 5900 , but not sure if this is just referring to their individual LED binning at the tested 1400ma.
Click to expand...
Looks like you're right - the price on arrow is a lot better for those and that puts the samsungs at the top of the table if we are looking at most watts per $ of upfront cost.

LED Strips arrow and digikey.png
 
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PicklesRus

PicklesRus

Well-Known Member
Ryante55 said:
The h series uses newer diodes they use the 561c same as the quantum board
Click to expand...
I didn't notice you mentioned H series -

Here's the comparison between
- Samsung M series B
- Samsung M series C
- Bridgelux EB Series
- Samsung H Series

currently the only place I can find the H series for sale is digikey and the price puts them the most expensive upfront. The table is sorted by cheapest cost per lumen.

(All prices are in Canadian dollars)
upload_2016-12-26_11-30-24.png

Here are just the three Samsung and the Bridgelux @ 4000k
upload_2016-12-26_11-30-41.png
 
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R

Ryante55

Well-Known Member
PicklesRus said:
I didn't notice you mentioned H series -

Here's the comparison between
- Samsung M series B
- Samsung M series C
- Bridgelux EB Series
- Samsung H Series

currently the only place I can find the H series for sale is digikey and the price puts them the most expensive upfront. The table is sorted by cheapest cost per lumen.

(All prices are in Canadian dollars)
View attachment 3861403

Here are just the three Samsung and the Bridgelux @ 4000k
View attachment 3861404
Click to expand...
I didn't realize the Samsung is half the volts would that help cut down on driver cost? Also do you know if they are on the same kind of board I wonder what cooling cost would be per light. I may order some of those bridgelux for a micro grow
 
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