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Old 10-28-2011, 04:42 AM #1
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Default What voltage input for Jib 1.8a driver?

this driver: FS: Jib Drivers 1.25A & 1.8A

what is the input voltage range for the 1.8a?

im powering a 2w 445nm laser diode.

thanks



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Old 10-28-2011, 04:52 AM #2
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Default Re: What voltage input for Jib 1.8a driver?

You need to power that driver with two lithium ion cells.
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Old 10-28-2011, 05:09 AM #3
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Default Re: What voltage input for Jib 1.8a driver?

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You need to power that driver with two lithium ion cells.
how many volts is that? what is the max and min volts that i should use?
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Old 10-28-2011, 05:39 AM #4
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Default Re: What voltage input for Jib 1.8a driver?

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Originally Posted by plasmaninjaa View Post
how many volts is that? what is the max and min volts that i should use?
That information is right in the thread you linked to
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Old 10-30-2011, 02:03 PM #5
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Default Re: What voltage input for Jib 1.8a driver?

Sorry to hi-jack the thread.
i do have a 1.25A jib driver and as known there isn't any diode to prevent battery reverse polarity. i am wondering if it is ok to add a diode across the LD+ & LD-?
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Old 10-30-2011, 03:42 PM #6
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Default Re: What voltage input for Jib 1.8a driver?

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Originally Posted by JuniorSG123 View Post
Sorry to hi-jack the thread.
i do have a 1.25A jib driver and as known there isn't any diode to prevent battery reverse polarity. i am wondering if it is ok to add a diode across the LD+ & LD-?
Correct, +/- LD is for the Diode.
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Old 11-03-2011, 12:45 AM #7
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Default Re: What voltage input for Jib 1.8a driver?

thanks for the quick reply.
i manage to add a diode (1N4148) across the LD+/-.

Jib's driver require a min. of 6V to work but with 1 CR123 the diode can still power and lit-up but not as bright with 2 CR123 in series.


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Old 11-03-2011, 01:33 AM #8
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Default Re: What voltage input for Jib 1.8a driver?

When he says "min. of 6V to work" he means "min. of 6V to work as intended - in regulation"
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Old 12-08-2011, 06:03 AM #9
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Default Re: What voltage input for Jib 1.8a driver?

Quote:
Originally Posted by JuniorSG123 View Post
thanks for the quick reply.
i manage to add a diode (1N4148) across the LD+/-.
The maximum continuous forward current for the 1N4148 diode is 200ma.

It is NOT suitable for the high current.

Look for a 2 amp Schottky diode for your setup.

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Old 12-08-2011, 07:48 AM #10
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Default Re: What voltage input for Jib 1.8a driver?

Quote:
Originally Posted by LarryDFW View Post
The maximum continuous forward current for the 1N4148 diode is 200ma.

It is NOT suitable for the high current.

Look for a 2 amp Schottky diode for your setup.

LarryDFW
if have you any of those little flashlight circuit boards from DX there are SS24, SS34 shottky diodes on those...
you can use them they are SMD and smaller than yours but you will be able to fit them
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