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Thread: High Current Driver /w clicky control

  1. #1

    Default High Current Driver /w clicky control

    Hi,

    I looking for a new high current buck driver (new to me anyway) and hoped you guys might be be able to help out. I'm after either a single driver, or multiple drivers that can be run from a a single piezo (prolongated is ok). Necessary functions are on/off and variable power control (e.g. via PWM, fixed levels would be ok).

    I've been using the taskled h6flex which are great, however the 6600ma current limit is less than I need. I also looked at the Ampere! 9A drivers by http://pcb-components.de/, however these seem to have a fault and Tobias has put these on hold for now anyway.

    I'd like to run 18 XMLs @ 3000ma using 12v power, so I'm thinking 6 strings of three. If I could parallel two 9A drivers, and control them from a single piezo that would be ideal. Three 6A drivers would also do the job, you get the idea.

    If anyone's figured out how to control multiple taskled drivers from a single, please let me know!

    thanks, damien
    Regards,
    Damien Siviero
    http://damiensiviero.com

  2. #2
    Flashaholic* lucca brassi's Avatar
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    Default Re: High Current Driver /w clicky control

    Hi Damien , what sort of problems you have with Ampere! driver ?

  3. #3

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    Quote Originally Posted by lucca brassi View Post
    Hi Damien , what sort of problems you have with Ampere! driver ?
    Primary issue was they wouldnt go into sleep mode fully. The LEDs were very dim but still actively lit. For me this was a deal breaker.

    I'll add that Tobias was great to deal with and I'd have no issues buying anything from him in future.
    Regards,
    Damien Siviero
    http://damiensiviero.com

  4. #4
    Flashaholic* lucca brassi's Avatar
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    Default Re: High Current Driver /w clicky control

    That was in combination with his PWM and Taskled HALLTG and PIEZO ?

    you can try with that http://www.ti.com/lit/an/snva431a/snva431a.pdf (I made pcb but not finish it with this chip , but is large because of coil that were recomended ( I go in simulation with lower frequency , bigger components , but with high efficiency )

    (http://www.ti.com/tool/lm3434sq-20aev price 200$)
    Last edited by lucca brassi; 03-31-2012 at 01:48 PM.

  5. #5
    Flashaholic* 350xfire's Avatar
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    Default Re: High Current Driver /w clicky control

    You can feed Taskleds in parallel. I just discussed doing that with George.
    http://tlslights.com/ your source for quality affordable dive lights, Mag-lite conversions and weapon lights. Now a Federal Firearms Dealer.

  6. #6

    Default

    Quote Originally Posted by lucca brassi View Post
    That was in combination with his PWM and Taskled HALLTG and PIEZO ?
    No. Single ampere! 9A with Bano Dim v2 pwm controller. Never got off the bench, tried piezo and normal switch.
    Regards,
    Damien Siviero
    http://damiensiviero.com

  7. #7

    Default

    Quote Originally Posted by 350xfire View Post
    You can feed Taskleds in parallel. I just discussed doing that with George.
    Can they all be controlled by a single switch?
    Regards,
    Damien Siviero
    http://damiensiviero.com

  8. #8
    Flashaholic* 350xfire's Avatar
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    Default Re: High Current Driver /w clicky control

    Quote Originally Posted by betti154 View Post
    Can they all be controlled by a single switch?
    If they can be fed by 1 battery pack I assume you can put the switch on the battery pack lead. Of course that may not work with the FLEX.
    http://tlslights.com/ your source for quality affordable dive lights, Mag-lite conversions and weapon lights. Now a Federal Firearms Dealer.

  9. #9

    Default Re: High Current Driver /w clicky control

    Quote Originally Posted by 350xfire View Post
    If they can be fed by 1 battery pack I assume you can put the switch on the battery pack lead. Of course that may not work with the FLEX.
    Oh yeah, running off one pack is no prob but I need the clicky control from a single button.
    Regards,
    Damien Siviero
    http://damiensiviero.com

  10. #10
    Flashaholic* 350xfire's Avatar
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    Default Re: High Current Driver /w clicky control

    Quote Originally Posted by betti154 View Post
    Oh yeah, running off one pack is no prob but I need the clicky control from a single button.
    what do you mean by clicky control? multi-mode?
    http://tlslights.com/ your source for quality affordable dive lights, Mag-lite conversions and weapon lights. Now a Federal Firearms Dealer.

  11. #11

    Default Re: High Current Driver /w clicky control

    Quote Originally Posted by 350xfire View Post
    what do you mean by clicky control? multi-mode?
    I mean the ability to use the variable power levels, on/off via, strobe mode, etc... via a momentary switch connected to the board (SWA/SWB).
    Regards,
    Damien Siviero
    http://damiensiviero.com

  12. #12
    Flashaholic* 350xfire's Avatar
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    Default Re: High Current Driver /w clicky control

    George with Taskeled would be the man to talk to about this.
    http://tlslights.com/ your source for quality affordable dive lights, Mag-lite conversions and weapon lights. Now a Federal Firearms Dealer.

  13. #13

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    Quote Originally Posted by 350xfire View Post
    George with Taskeled would be the man to talk to about this.
    Already have. He said it wasn't possible, something to do with internal timings of various flex boards getting out of whack if they share a single switch. It's on his forum.
    Regards,
    Damien Siviero
    http://damiensiviero.com

  14. #14

    Default Re: High Current Driver /w clicky control

    Couldn't you switch via a darlington transistor, ULN2003, 2803 etc. Small current from the driver to switch the transistor, all pairs affected at the same time?

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