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Leaving the dimming leads alone unconnected results in 100% driver output. Connections the two leads together is not what you want. Either connected to dimmer or left alone.

Very interesting. Iv never heard of it being done that way. Have you tested temp while driving them at max? 700/1400/1400 Also I wonder what the temp diff would be on the tC point that’s not far away.

Just a regular thermometer? Or a thermocouple? And are you placing it on the tC point or literally just between diodes?

You are absolutely right. When I first read thru this thread while debating on Bridgelux or Sammy, I was amazed at all the data you’ve provided and proven. These strips are the shizznit.

How do you measure temps right on the diode? Infrared thermometer? If so, what efficacy?

The softer you run LEDs, they more efficient they are. So 4 boards will run more efficiently, given both hypotheticals are sent the same amount of power.

If you don’t mind me asking, what discount?

The A type driver can drive the strips at 700mA and less. Were you under the impression that it can’t do that? And like others have said, give us a diagram of your wiring. Even a simple sketch on paper will do. Snap a pic and post. Also indicate where you’re taking the measurements from on...

Damn this is really flipping my understanding upside down! Btw, I hope you don’t take any of my questions or statements as attacking you or trying to prove I know anything. I was just laying out my understanding of this and trying to connect the dots of knowledge. I truly love learning...

But per the pic of the data sheet you posted, the driver only switches into CC mode when it reaches 100% load. LEDG has a really informative video describing how these drivers work. And in my experience, it works exactly how he describes in the video. I’m not sure what you mean by CV mode...

Excellent! I’m well up to speed on the different modes. Plus I’m nowhere near the max load to switch it into CC mode.

Awesome let me know how they measure when you get them all set up!

Voltage started at 33.991 4 hours later it was 33.90

Thanks random. Love reading all your long posts the last few months. Thanks for taking the time to comment. I emailed Atreum and they said essentially the same thing. Their product page is geared towards easier driver selection for noobs. I have the board connected straight from the driver to...

They are wired 12s12p. L301b AK bin volt is 2.7-2.8. Voltage should be 32.4-33.6. Im pulling 1.75 at 33.9. Equals right about 60 watts. Spot on for the data sheet Just weird that they say 36v on their product page.

Connections are all good. 2 boards tested the same. I have 2 more yet to test. Temp is 100deg. Not bad I think? Aren’t HLG boards made in PRC as well? LEDG did quite an extensive review with par maps as well and they were just as good as HLG. Could this be due to internal traces being...

Iv got an Atreum 144.2 running but current draw seems high. Their website says nominal is 36v pulling 1.7A but I’m getting readings of 33.9v pulling 1.75A. When I increase to 35v the board almost pulls 3A. I didn’t want to push it to 36v fearing it would damage. Does any of this sound right?

Glad to see you’ve gone with Atreum. They make a great product. Have you done any testing with a multimeter at each board? What amperage are they running? What about temps? Awesome build.

Cause she’s got two input ports. And no dongle.

That is one big beautiful build. Are those custom PCB’s with the blue and whites? That’s cool. What kind of connectors are you referring to exactly when you say 3 or 6 pin connector? I’d really like to incorporate rocker switches into my Vesta strip build.