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Old 02-01-2012, 05:15 PM #1
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Default Too much or too little power? Help!

I recently purchased 650nm 20x DVD burner diode.
(HighTechDealZ - 650nm 20x DVD Burner LPC815 Laser in Aixiz Module)

With help from this forum, I've narrowed down my driver choice to a Mohgasm Linear Driver. (Mohgasm Linear Driver - $12.00 : Mohgasm!, Because it feels so good.)

The seller of the laser recommends driving the diode at 380mA, so I was panning to purchase the 378mA pre-assembled driver.

My questions are: Should I power this driver with 2 or 4 3.7v Lithium-ion rechargeable batteries? What are the advantages and disadvantages of buying
driver with a higher mA rating? I plan to heat-sink the driver, so what would be the best driver/battery combination to build an effective burning laser with this diode?

Thanks in advance for the help!


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Old 02-01-2012, 07:58 PM #2
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Default Re: Too much or too little power? Help!

Quote:
Originally Posted by blackdiamond050 View Post
My questions are: Should I power this driver with 2 or 4 3.7v Lithium-ion rechargeable batteries?
Mohgasm drivers need two 3.7V batteries to run. One battery doesn't provide enough voltage.

Quote:
Originally Posted by blackdiamond050 View Post
What are the advantages and disadvantages of buying driver with a higher mA rating?
Are you kidding ? More mA means more current and so brighter will be the diode. There is a limit how far these little diodes run. Push it too far and it will burnt out.

Quote:
Originally Posted by blackdiamond050 View Post
I plan to heat-sink the driver, so what would be the best driver/battery combination to build an effective burning laser with this diode?
At 380mA the driver runs fine without heatsink
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