Old 09-23-2011, 06:17 PM #1
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Cool I need a very cheap high current driver

Hello,
1. I have a DVD burner 48X diode. I'v already built a 20X red and I'v putted 340mA's to it. This time, 'cause it's a 48X diode, does it mean I can put higher current to it, such as 600-700mA?

2. If so, then I need a nice little driver board that can reach 700mA and is under 10$, sorry about the low price.

P.S, this laser will not be portable so the driver doesn't have to be a boost\buck driver.

THX!


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Old 09-23-2011, 06:59 PM #2
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Default Re: I need a very cheap high current driver

Lm317
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Old 09-23-2011, 07:13 PM #3
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Default Re: I need a very cheap high current driver

Can I get more details? a link?
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Old 09-23-2011, 07:14 PM #4
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Default Re: I need a very cheap high current driver

Laser driver - It can be done
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Old 09-23-2011, 07:50 PM #5
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Default Re: I need a very cheap high current driver

Great but what about the first question?
because it's 48X I need to get it 650mA?
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Old 09-23-2011, 07:58 PM #6
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Default Re: I need a very cheap high current driver

Quote:
Originally Posted by Gofilord View Post
Great but what about the first question?
because it's 48X I need to get it 650mA?
Not sure what you need to get it to but that driver will do 1.5A
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Old 09-23-2011, 08:09 PM #7
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Default Re: I need a very cheap high current driver

Quote:
Originally Posted by Gofilord View Post
Hello,
1. I have a DVD burner 48X diode. I'v already built a 20X red and I'v putted 340mA's to it. This time, 'cause it's a 48X diode, does it mean I can put higher current to it, such as 600-700mA?

THX!
The best red diode is the LPC-815/826 and they max out at 400-500mA. Your 48x diode won't go over it.
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Old 09-23-2011, 08:12 PM #8
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Default Re: I need a very cheap high current driver

so if I put 500mA to the diode, how much mW will it generate (6V)?
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Old 09-23-2011, 10:00 PM #9
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Default Re: I need a very cheap high current driver

It depends on how efficient your diode is...no one can give you an answer.
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Old 09-24-2011, 01:05 AM #10
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Default Re: I need a very cheap high current driver

would not recommend trying to get a singe red laser over 500mw.
If you do it will have a short life.
Best bet is 2 lasers combined to get around 475-600mw.
all you need is 1 pbs cube 20 -25$ and 2 red lasers. shine them into the cube right and you can combine there power (depending on cube minor losses).
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Old 09-24-2011, 06:35 AM #11
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Default Re: I need a very cheap high current driver

the 48x will be the IR lasers read speed....
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