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Old 12-03-2014, 04:09 AM #1
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Default Interesting LED Driver for laser?

What do ya'll think of this 6 amp driver?

Specs:
Suply voltage 7 ... 12V DC
Output (drive) current 0 ... 6000 mA
Diode forward voltage 2 ... 5 V
Dimensions 25mm dia / 6mm thickness



6A Adjustable LED Laser Diode Buck Driver for Flashlights Laserpointers | eBay


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"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

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Last edited by Alaskan; 12-03-2014 at 04:13 AM.
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Old 12-03-2014, 04:13 AM #2
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Default Re: Interesting LED Driver for laser?

Until I see the start up waveform I have no opinions about it.
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Old 12-03-2014, 04:15 AM #3
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Default Re: Interesting LED Driver for laser?

That was my first concern too. I will buy it and see/report.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Old 12-03-2014, 04:40 AM #4
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Default Re: Interesting LED Driver for laser?

What's the component "NPR1" ?

I initially assumed it was the diode, but then it would be connected between the inductor and the + out, which is an odd topography for a buck.
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Old 12-03-2014, 04:52 AM #5
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Default Re: Interesting LED Driver for laser?

I've asked the seller, he's into lasers so might know. I Also asked if he knows whether it is a soft start or not.
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Old 12-03-2014, 06:01 AM #6
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Default Re: Interesting LED Driver for laser?

Quote:
Originally Posted by rhd View Post
What's the component "NPR1" ?
Looks like it's just a high power resistor: link
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Old 12-04-2014, 02:52 AM #7
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Default Re: Interesting LED Driver for laser?

Response to questions:

Quote:
: Ebay seller: New message from: x-wossee (172Turquoise Star)
These drivers without visible soft start (about 50 ms), but the transients are minimized. What you see on the PCB is a KOA shunt.
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Laser Safety: http://www.laserpointersafety.com/index.html

Sam's Laser FAQ: Sam's Laser FAQ: Welcome Page

RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
.........................
PhotoB****t high jacking you too? Use this link instead:
http://imgbb.com

High resolution of my avatar: https://ibb.co/fWOhXF
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