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Old 05-26-2013, 06:00 PM #1
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Default New DC/DC module for huge wattages tiny

Drive that 50w laser diode with this
Power Made Simple - ISL8225M

put in a few li ion batts this power module 808nm diode array a ktp crystal optics bam you got your self a real 40w green laser to play with.


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Old 05-26-2013, 06:49 PM #2
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Default Re: New DC/DC module for huge wattages tiny

Coool! Thanks for sharing that Glowdye, great find

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Old 05-26-2013, 07:07 PM #3
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Default Re: New DC/DC module for huge wattages tiny

So is it adjustable? I need one.
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Old 05-27-2013, 02:59 PM #4
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Default Re: New DC/DC module for huge wattages tiny

That module is another constant voltage unit programmed with a resistor value (R5).

You could add a high current shunt and "trick" the feedback pin with a difference amp and an integrator to make the thing constant voltage though if that's what you need.

I use the ti pth1240WAD or pth250WAD modules. The power modules from that series are each capable of 96% efficiency at 50A!
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Old 05-30-2013, 12:28 PM #5
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Default Re: New DC/DC module for huge wattages tiny

I have used a MAX4172 inserted in the voltage feedback path to turn a constant voltage buck converter to constant current output. You'll only need the MAX4172, a shunt resistor and an output resistor to set the current limit. Done it to a buck converter to power three PT54's at 7A from the car 12V supply.
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