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Old 06-12-2012, 01:27 PM #1
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Default Help | 1W + 445nm Laser Build

Hi,

Not long ago I have purchased a new 2W 445 m140 diode from DTR, and guidesman host and BenBoost 1.256 amp driver from cajunlasers.

The problem is the driver. I have read about the voltage spikes and I don't know what to do next ? ... Use the BenBoost ? ... or Buy a new 1.5 amp microboost from DTR ? ...

I have also saw the thread about the BenBoost but I can't wait till they test it again.

Please help me to decide

Thanks in advance ! (: ,
Eitan.



Last edited by Thejoker301; 06-12-2012 at 01:32 PM.
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Old 06-12-2012, 10:16 PM #2
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Default Re: Help | 1W + 445nm Laser Build

just use an LM317 regulator
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Old 06-12-2012, 11:21 PM #3
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Default Re: Help | 1W + 445nm Laser Build

Quote:
Originally Posted by Thejoker301 View Post
Hi,

Not long ago I have purchased a new 2W 445 m140 diode from DTR, and guidesman host and BenBoost 1.256 amp driver from cajunlasers.

The problem is the driver. I have read about the voltage spikes and I don't know what to do next ? ... Use the BenBoost ? ... or Buy a new 1.5 amp microboost from DTR ? ...

I have also saw the thread about the BenBoost but I can't wait till they test it again.

Please help me to decide

Thanks in advance ! (: ,
Eitan.
The BenBoost "issue" has been resolved just stack more caps to get around 22uf capacitance or replace them with 22uf capacitors

Also I doubt the spike would kill an M-140 at 1.256Amps so I say your good to go on with your build enjoy


EDIT: 1000 Posts
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Last edited by AnthoT; 06-12-2012 at 11:22 PM.
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Old 06-13-2012, 02:59 AM #4
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Default Re: Help | 1W + 445nm Laser Build

Quote:
Originally Posted by AnthoT View Post
The BenBoost "issue" has been resolved just stack more caps to get around 22uf capacitance or replace them with 22uf capacitors

Also I doubt the spike would kill an M-140 at 1.256Amps so I say your good to go on with your build enjoy
I'm not very electronical... I also have a benboost, would a 47uF electrolytic capacitor bridging the diode leads be okay?
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Old 06-13-2012, 07:03 AM #5
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Default Re: Help | 1W + 445nm Laser Build

Quote:
Originally Posted by AnthoT View Post
The BenBoost "issue" has been resolved just stack more caps to get around 22uf capacitance or replace them with 22uf capacitors

Also I doubt the spike would kill an M-140 at 1.256Amps so I say your good to go on with your build enjoy


EDIT: 1000 Posts

Thanks man !!
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Old 06-13-2012, 12:00 PM #6
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Default Re: Help | 1W + 445nm Laser Build

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Originally Posted by Thejoker301 View Post
Thanks man !!
No problem

Quote:
Originally Posted by ARGLaser View Post
I'm not very electronical... I also have a benboost, would a 47uF electrolytic capacitor bridging the diode leads be okay?
It would definetly help but that's not the output cap, the output cap is the one on the top left of the PCB, but that cap on the output would help a lot
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