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The New Buck/Boost High Output Driver






foulmist

foulmist

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gillza said:
foulmist,

will your driver be able to boost 9mm 445 at ~2.1A? If so, I do have a 930mA version from cajunlasers. Could I replace the set resistors with two 0.47Ohm 1/2W (0.5*2.1/2) resistors such as these: RL1632R-R470-F Susumu | RL16R.47FCT-ND | DigiKey ?

Thank you
Click to expand...

It should be. What's the forward voltage of the 9mm at 2.1A? I know they are slightly greater than the M140s but I think it will work. You need a good battery like Samsung or Panasonic 3000mAh+

Those resistors will work just great :)
 
gillza

gillza

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Nevermind,

at 5V you can only feed it 1.4A according to this:
http://laserpointerforums.com/f65/new-9mm-445-diodes-73284-12.html#post1078103
FMT drive will only boost to 5max according to specs... ehh

Perhaps in the future someone could test the diode and post voltage-current-output table on these and m140 diodes (so far we only have the data for a130 and a140 diodes)

P.S. were my calculations for the resistors correct atleast? (resistance and Wattage)
 
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foulmist

foulmist

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gillza said:
Nevermind,

at 5V you can only feed it 1.4A according to this:
http://laserpointerforums.com/f65/new-9mm-445-diodes-73284-12.html#post1078103
FMT drive will only boost to 5max according to specs... ehh

Perhaps in the future someone could test the diode and post voltage-current-output table on these and m140 diodes (so far we only have the data for a130 and a140 diodes)

P.S. were my calculations for the resistors correct atleast? (resistance and Wattage)
Click to expand...

you can boost to 6V but not at full current let me do a test on one.
 
gillza

gillza

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foulmist said:
actually you should be able to use the fmt drive

http://laserpointerforums.com/f65/new-9mm-445-diodes-73284-3.html#post1058928

check this post.

2200mA at 4.9V ;) There is a graph also
Click to expand...

Oh you are right, dunno where the hell I was looking. I gues I confused it with m140 data for which at-least Ive only found current-output data. But I guess it should be very close to a140/130 voltage.

I have calculated the Wattage for the resistors based on the (0.5V*2.1A)/2=0.525W per resistor is this correct?
 
Last edited:
foulmist

foulmist

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gillza said:
Oh you are right, dunno where the hell I was looking.

I have calculated the Wattage for the resistors based on the (0.5V*2.1A)/2=0.525W per resistor is this correct?
Click to expand...


yes they will work just fine :beer:

be sure to heatsink the bottom of the driver nicely at that current
 
Last edited:
gillza

gillza

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foulmist said:
yes they will work just fine :beer:

be sure to heatsink the bottom of the driver nicely at that current
Click to expand...

It will snugly go into SAIK SA-305 pill :)
Thank you for the help!!!

P.S. We need a centralized thread with diodes specifications like we used to have :) so that idiots like me could find above information easier
 
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