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Old 07-11-2012, 01:22 PM #145
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by jander6442 View Post
"on to something" as you have what appears to be a great design in respects to a buck/boost driver for our hobbie... that is a great thing man!
thanks man


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Old 08-28-2012, 08:35 PM #146
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Default Re: The New Buck/Boost High Output Driver

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
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My lasers:

405nm : PHR-803t in Dorcy Jr. Old Style with Ehgemus heatsink: 102mW
405nm : Bluray in SAIK SA-305 at 745ma: 980mW
445nm : Guidesman Dual E-Drive: 1.6W
650nm : LPC-815 @ 0.45A in Ehgemus Host Easy Build: 293mW

List of 12x 405nm 5.6mm diode builds

Last edited by gillza; 08-28-2012 at 08:35 PM.
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Old 08-28-2012, 08:43 PM #147
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by gillza View Post
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
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
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Old 08-28-2012, 09:28 PM #148
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Default Re: The New Buck/Boost High Output Driver

Nevermind,

at 5V you can only feed it 1.4A according to this:
New 9mm 445 diodes
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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My lasers:

405nm : PHR-803t in Dorcy Jr. Old Style with Ehgemus heatsink: 102mW
405nm : Bluray in SAIK SA-305 at 745ma: 980mW
445nm : Guidesman Dual E-Drive: 1.6W
650nm : LPC-815 @ 0.45A in Ehgemus Host Easy Build: 293mW

List of 12x 405nm 5.6mm diode builds

Last edited by gillza; 08-28-2012 at 09:31 PM.
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Old 08-28-2012, 09:34 PM #149
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by gillza View Post
Nevermind,

at 5V you can only feed it 1.4A according to this:
New 9mm 445 diodes
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)
you can boost to 6V but not at full current let me do a test on one.
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Old 08-28-2012, 09:37 PM #150
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Default Re: The New Buck/Boost High Output Driver

actually you should be able to use the fmt drive

New 9mm 445 diodes

check this post.

2200mA at 4.9V There is a graph also
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Old 08-28-2012, 09:43 PM #151
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by foulmist View Post
actually you should be able to use the fmt drive

New 9mm 445 diodes

check this post.

2200mA at 4.9V There is a graph also
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?
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My lasers:

405nm : PHR-803t in Dorcy Jr. Old Style with Ehgemus heatsink: 102mW
405nm : Bluray in SAIK SA-305 at 745ma: 980mW
445nm : Guidesman Dual E-Drive: 1.6W
650nm : LPC-815 @ 0.45A in Ehgemus Host Easy Build: 293mW

List of 12x 405nm 5.6mm diode builds

Last edited by gillza; 08-28-2012 at 09:44 PM.
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Old 08-28-2012, 09:46 PM #152
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by gillza View Post
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?

yes they will work just fine

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

Last edited by foulmist; 08-28-2012 at 09:46 PM.
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Old 08-28-2012, 09:52 PM #153
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by foulmist View Post
yes they will work just fine

be sure to heatsink the bottom of the driver nicely at that current
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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My lasers:

405nm : PHR-803t in Dorcy Jr. Old Style with Ehgemus heatsink: 102mW
405nm : Bluray in SAIK SA-305 at 745ma: 980mW
445nm : Guidesman Dual E-Drive: 1.6W
650nm : LPC-815 @ 0.45A in Ehgemus Host Easy Build: 293mW

List of 12x 405nm 5.6mm diode builds

Last edited by gillza; 08-28-2012 at 09:53 PM.
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