gfxgfx
 
Please login or register.

Login with username, password and session length
logo
 
gfx gfx
gfx
19698 Posts in 1260 Topics by 5034 Members - Latest Member: Henriques11 November 23, 2017, 07:04:15 PM
*
gfx* Home | Help | Login | Register | gfx
gfx
Breaktru Forum  |  eCigarette Forum  |  Modding  |  Topic: .44 mini Booster Box Mod Variable Voltage
gfx
gfxgfx
 

Author Topic: .44 mini Booster Box Mod Variable Voltage  (Read 301995 times)

0 Members and 2 Guests are viewing this topic.

Offline Ginjo

  • Full Member
  • ***
  • Joined: Sep 2011
  • Posts: 31
  • Karma: +4/-1
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #250 on: July 11, 2012, 11:46:54 AM »
I hope the module is not blown. Had a few like that.  :'(

I hope so too.. how do you check if the module is working again, without soldering?

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #251 on: July 12, 2012, 09:20:28 PM »
.. how do you check if the module is working again, without soldering?

Ya gotta solder something. With no caps, no resistors and no load you should get 5v out

Offline Ginjo

  • Full Member
  • ***
  • Joined: Sep 2011
  • Posts: 31
  • Karma: +4/-1
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #252 on: July 14, 2012, 03:05:23 PM »
Ya gotta solder something. With no caps, no resistors and no load you should get 5v out

did that with 2 modules, one that I used and one unused, I got 3v only... :( that's a bad batch, huh?

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #253 on: July 14, 2012, 03:44:19 PM »
did that with 2 modules, one that I used and one unused, I got 3v only... :( that's a bad batch, huh?

They are differently bad

Offline Ginjo

  • Full Member
  • ***
  • Joined: Sep 2011
  • Posts: 31
  • Karma: +4/-1
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #254 on: July 14, 2012, 03:52:22 PM »
They are differently bad

since they're not thouroughly busted.. just wont give the correct output  :wallbash: :wallbash:

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #255 on: July 14, 2012, 04:20:21 PM »
since they're not thouroughly busted.. just wont give the correct output  :wallbash: :wallbash:

So you are putting a Li-ion battery (+) to pin 2 and batt (-) to pin 1 and measuring Pin 4 to Pin 1,  3v ?
Or are you using a pwr supply voltage in?

Offline Ginjo

  • Full Member
  • ***
  • Joined: Sep 2011
  • Posts: 31
  • Karma: +4/-1
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #256 on: July 14, 2012, 04:22:48 PM »
So you are putting a Li-ion battery (+) to pin 2 and batt (-) to pin 1 and measuring Pin 4 to Pin 1,  3v ?
Or are you using a pwr supply voltage in?

I did use a 14500 as my power input, same way as you described, and I got a 3v output... haven't tried it with a brand new batt, though.. i'll try it once I get a new set

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #257 on: July 14, 2012, 04:32:16 PM »
I did use a 14500 as my power input, same way as you described, and I got a 3v output... haven't tried it with a brand new batt, though.. i'll try it once I get a new set

You know what? Let's then not jump to the conclusion that the module is bad. Maybe it is the battery.
What make battery and how old is it?

Offline Ginjo

  • Full Member
  • ***
  • Joined: Sep 2011
  • Posts: 31
  • Karma: +4/-1
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #258 on: July 14, 2012, 04:36:40 PM »
You know what? Let's then not jump to the conclusion that the module is bad. Maybe it is the battery.
What make battery and how old is it?

it's a TF Flames 14500 batt... around a year old...

Offline RAYMONDROOT

  • Jr. Member
  • **
  • Joined: Dec 2011
  • Location: st louis mo
  • Posts: 14
  • Karma: +2/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #259 on: July 22, 2012, 10:37:05 PM »
anyone know where to get an automatic switch
i want to work on a .44 automatic  ;hubba;
ooohhhh that would be sweat specially a buck boosted auto where you switch the ground so you will only have a 3.7v circuit on the switch
(considered cannibalization of a 510 auto to do it but if i can find the switch else ware....... great)

Offline vaperkarma

  • Full Member
  • ***
  • Joined: Mar 2011
  • Posts: 40
  • Karma: +18/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #260 on: July 26, 2012, 11:56:21 AM »
anyone know where to get an automatic switch
i want to work on a .44 automatic  ;hubba;
ooohhhh that would be sweat specially a buck boosted auto where you switch the ground so you will only have a 3.7v circuit on the switch
(considered cannibalization of a 510 auto to do it but if i can find the switch else ware....... great)

If my memory serves me right, I believe I've seen them on a couple of supplier sites a while back and one of them was Madvapes. I just looked for them but can't seem to find them.

Offline dasazo

  • Jr. Member
  • **
  • Joined: Aug 2012
  • Location: Finland
  • Posts: 3
  • Karma: +0/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #261 on: August 21, 2012, 03:15:45 PM »
What boxes you are using breaktru?

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #262 on: August 21, 2012, 03:26:38 PM »
What boxes you are using breaktru?

For the 14500 I use 2 X AA battery boxes sold on eBay or Madvapes

Offline PoppaVic60

  • Full Member
  • ***
  • Joined: Aug 2012
  • Location: United States
  • Posts: 31
  • Karma: +5/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #263 on: August 28, 2012, 04:38:17 PM »
Ray:

MadVapes listed them last week, ordered two - I'll be building the VV Regular board today and it will go in a projectbox from Radshack. The autoswitch seems a decent idea, and I'll tack one of those in as well. It'll be dual 18350 powered - I bought two pair for the Ovale V8, and the damned V8 refused to send juice out the 510.. Returned the V8, but those silly batteries look useful!

BTW, I'm puffing on the MadVapes 3.7v Mosefet box right now - with a silly CE6 I wanted to test ;-) It won't replace my own Puck, but it's so small and cute and useful that I plan to mail this to the nephew next week - maybe he'll stop trying to smoke and thinking he fools my sister.

I'm starting to think I need to crank a page of Needed Parts with links to sources, but we really need a few central-points and - I am really, really tired of trying to find project-boxes for this stuff. *sigh*

Offline RAYMONDROOT

  • Jr. Member
  • **
  • Joined: Dec 2011
  • Location: st louis mo
  • Posts: 14
  • Karma: +2/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #264 on: August 29, 2012, 07:23:25 PM »
thanks for the info

Offline go-burn

  • Newbie
  • *
  • Joined: Sep 2012
  • Location: Krapyak, Yogyakarta, Indonesia
  • Posts: 1
  • Karma: +0/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #265 on: September 12, 2012, 10:20:29 PM »
WOW....AWSOME... THANKS BRO..

Offline digicom

  • Newbie
  • *
  • Joined: Sep 2012
  • Location: FORLI-CESENA, ITALY
  • Posts: 1
  • Karma: +0/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #266 on: September 16, 2012, 09:16:42 AM »
dear friends vapers .. maybe I made the discovery of hot water ... but I want to share with you is 'what I tested ... I assembled the circuit in question ... you know' that the potentiometer 100k DRIMMER not 'nothing but a resistor with variable value ... so after connecting the potentiometer as shown in the diagram ... I put another in place of the 15k resistor that' what is' placed on pins 3 and 4 ... this resistance and 'one which handles the range ... then connecting the DRIMMER in its place you have the chance' to have the adjustable range ... I tried x seconds maximum range is not under load and my tester marked something like 13 \ 14 volts .... I hope to be helpful

Offline greyv

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: usa
  • Posts: 2
  • Karma: +2/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #267 on: September 20, 2012, 08:04:14 PM »
Just finished my booster clone







thanks breaktru for the plans

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #268 on: September 20, 2012, 08:19:25 PM »
Just finished my booster clone

thanks breaktru for the plans

Congrats on your build. Looks good.  :beer-toast:
How do you like it?

Offline greyv

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: usa
  • Posts: 2
  • Karma: +2/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #269 on: September 20, 2012, 08:53:53 PM »
it works great.  the range is 4.00v  -  6.22v. 

had to use 2 chips though..  i think i fried the first one because i got a crappy 15w  soldering iron and had trouble soldering to the posts.
  gotta get a better one.
« Last Edit: September 20, 2012, 09:01:44 PM by greyv »

Offline gknowes

  • Full Member
  • ***
  • Joined: Nov 2011
  • Posts: 32
  • Karma: +11/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #270 on: September 20, 2012, 09:18:29 PM »
nice work!!!  ;cheers; i junked all me solder irons and got a solder station a cheap one on ebay KENDAC 937D i love it!!!

Offline Commie

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: Michigan
  • Posts: 9
  • Karma: +1/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #271 on: October 09, 2012, 04:41:57 PM »
I apologize. My question was answered in the thread.
« Last Edit: October 09, 2012, 04:51:00 PM by Commie »

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #272 on: October 09, 2012, 04:56:18 PM »
Yay! Got the parts to make it, getting ready to solder.

Quick question -- can I use electrolytic capacitors? I have a vague memory of them behaving differently from non-electrolytic ones.

Thank you for any information!

Good news Commie.
 
Electrolytes are the ONLY caps that you should be using on the 04050c.
There are two types: Aluminum and Tantalum.
The first several boost mods where made with Tantalum (more expensive) but have switch to Aluminum. Don't use cheap ebay specials. You want to use LOW ESR rated if possible.
Page 10 of the Datasheet shows recommended Caps or do searching of your own for low ESR 100uF caps.
http://www.ti.com/lit/ds/symlink/ptn04050c.pdf

Offline Commie

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: Michigan
  • Posts: 9
  • Karma: +1/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #273 on: October 21, 2012, 10:36:02 PM »
Just put together another .44 mini booster.
This time with a touch switch and a voltage range that can handle Low resistance Dual Coil cartos.


I really like this mod and hate to part with it but I maybe selling it so I can buy more parts to make more mods.
I already have many offers for it but have to devise a fare way to pick a suitor. Some one who can take it for walks daily, groom it regularly and give it love and affection....  :laughing2:

UPDATE: not letting this one go. I'm keeping it.

Circuit below w/ N-Ch and P-Ch Mosfet only visible to logged on members.........

Hmm, I'm working on this one, with the touch switch. So far seems to work with my ghetto breadboard (some twist wires and the future mod's box for base).
Trying it with the IRL3103, which I think is N-channel, second diagram. In some variations of this setup, people seem to use a 1k resistor between gate and touch point, but it seems to work fine without, just like in Breaktru's version.

Before I solder and glue it, what is the purpose of that 1k resistor?

Oh, and here's a link to the variation that Asnider used, with the resistor: http://nu-vapor.com/forum/battery-mods-pvs/5513-my-5-touch-switch-modbox.html

Thank you!

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #274 on: October 22, 2012, 10:00:29 AM »
The IRL3103 is an N-Ch. N-Channel.
I like the  IRLU3114ZPBF because it is a smaller size (TO-251) compared to the TO-220. Also it is Rds On (Max) 4.9mOhms compared to 12mOhms.

You mention that I didn't use the 1K resistor. A P-Channel requires the resistor and an N-Ch does not.
With a P-Channel: If the both contact points get shorted by something other than your finger (metal), you are putting a direct short between the battery Negative and Positive... boom! The 1k resistor would be for protection.

Offline wwwest

  • Full Member
  • ***
  • Joined: Jun 2010
  • Posts: 42
  • Karma: +8/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #275 on: October 23, 2012, 08:29:27 PM »
With all the new mods coming out, I still find the .44 mod to be a desirable build. Thanks so much breaktru for sharing  :thumbsup:

Offline Commie

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: Michigan
  • Posts: 9
  • Karma: +1/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #276 on: October 23, 2012, 09:36:42 PM »
Yay!

Done with my mod. Unfortunately, due to the design, all the electronics had to be isolated with electric tape and (oh no!) JB Steelstik. I kept testing it with just a built-in voltmeter, without carto.

Now that the glue dried, it works a bit strangely. Without load, voltage ranges from 3.78 to 6.3. Great, considering that all I need is between 3.8 and 5. Sometimes, out of nowhere, it decides to spike to 14.7 volt  >:( I dug the connector between 4.7k resistor and the pot, and the 14.7v madness stopped.

Then I tested it with load. The highest resistance carto I have is a 2.4 Ohm. I set it to 4v without load, connected carto and tried. Voltmeter shows 3.4v but vapor feels pretty good. Definitely doesn't feel like 3.4v. Cranked it up to 4v under load, now it feels too hot, almost burny.

So, any guesses as to what in the world did I do wrong? The voltmeter is the little display from Madvapes, connected parallel to the carto.

Thank you, and pictures are coming :)

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #277 on: October 23, 2012, 10:23:15 PM »
Yay!

Done with my mod. Unfortunately, due to the design, all the electronics had to be isolated with electric tape and (oh no!) JB Steelstik. I kept testing it with just a built-in voltmeter, without carto.

Now that the glue dried, it works a bit strangely. Without load, voltage ranges from 3.78 to 6.3. Great, considering that all I need is between 3.8 and 5. Sometimes, out of nowhere, it decides to spike to 14.7 volt  >:( I dug the connector between 4.7k resistor and the pot, and the 14.7v madness stopped.

Then I tested it with load. The highest resistance carto I have is a 2.4 Ohm. I set it to 4v without load, connected carto and tried. Voltmeter shows 3.4v but vapor feels pretty good. Definitely doesn't feel like 3.4v. Cranked it up to 4v under load, now it feels too hot, almost burny.

So, any guesses as to what in the world did I do wrong? The voltmeter is the little display from Madvapes, connected parallel to the carto.

Thank you, and pictures are coming :)

You forgot to mention the most important part...... What battery are you using.
Also check all you wiring for a bad solder connection.

Offline Commie

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: Michigan
  • Posts: 9
  • Karma: +1/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #278 on: October 24, 2012, 12:11:21 AM »
Thank you for a quick reply, Breaktru!

The batteries I've tried are 18650ies -- a protected Panasonic 3100mAh and an EH IMR 2000mAh. Unfortunately, I can't test the wiring :( I kept testing it while assembling and soldering, but the final step was covering it in JB putty. It wouldn't stay in place otherwise. I did insulate solder points from the metal case though, and the 14.7v insanity doesn't seem to happen any more (probably after the putty fully cured.

Voltage still drops down severely when under load though. But here's a strange thing -- I set it to 3.7v with no load, it drops down to 3.2v with load, but I still get a very noticeable nic buzz. More so than with a fully charged 18650 battery in a mechanical mod.

Attaching pictures too:
Inside are a voltmeter, on-off safety switch next to it, magnet to hold the lid shut under it, lots-of-turns pot, and a touch switch recessed in a plastic grommet. Carto or tank are also recessed for stealth and durability. Very happy with it overall, and thank you again for the design/diagram/advices.


Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #279 on: October 24, 2012, 08:29:46 AM »
Wonderful job Commie. Neat looking too  :rockin smiley:

This is not meant as criticism but to help find the problem.
It's not a good idea to completely encase the electronics in glue/weld. Air is our friend. The components need it for cooling.
Most likely, like you said, the wet JBWeld was shorting out a component.

A 2.4 ohm carto should not be dropping your output voltage to anything too noticeable. Put an ohm meter on the carto and measure.
What Caps did you use on your input and output?
Make sure that the spring tension on your battery is sufficient to avoid a resistant path. Measure the voltage from the battery at the points furthest from the battery. In other words, at the end of the battery spring and contact post. Not right across the battery. Do this while firing also.

I have never used the battery types you have so I can't comment on them.

Offline jomurp

  • Full Member
  • ***
  • Joined: May 2010
  • Location: Arkansas
  • Posts: 36
  • Karma: +9/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #280 on: October 24, 2012, 03:15:38 PM »
The EH IMR18650 2000mAh is a 12C rated LiMn battery which should be great in a boost mod. As long as connections are good and fully charged.
« Last Edit: October 24, 2012, 03:29:20 PM by jomurp »

Offline Commie

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: Michigan
  • Posts: 9
  • Karma: +1/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #281 on: October 24, 2012, 04:44:42 PM »
Huh, thank you! Now that I think about it, my battery spring really is looser than in my other mods. I'll have to try a few spacers there and report back:-)

Offline Commie

  • Jr. Member
  • **
  • Joined: Sep 2012
  • Location: Michigan
  • Posts: 9
  • Karma: +1/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #282 on: October 29, 2012, 07:40:43 PM »
Found my problem. Great advice on not gluing it shut, Breaktru, but it was too late :) The problem lies in a 10m resistor on the mosfet. It doesn't fully open unless my finger is slightly wet. If it is, the mod works great.

Too late to replace the resistor, or to replace the touch switch with anything else. Live and learn

Offline crash957

  • Newbie
  • *
  • Joined: Nov 2012
  • Location: Baltimore, MD
  • Posts: 1
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #283 on: November 03, 2012, 06:35:55 PM »
I have a .44 mini 18500  for over a year now it works perfect threw away my other mods love to get one of your dm vary volt with a meter for home I take the mini everywhere

Offline R00k

  • Jr. Member
  • **
  • Joined: Mar 2012
  • Location: Chicago
  • Posts: 4
  • Karma: +0/-0
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #284 on: November 08, 2012, 12:12:03 AM »
I cant believe no one has asked this.  Whats the music in the video?

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #285 on: November 08, 2012, 08:07:09 AM »
I cant believe no one has asked this.  Whats the music in the video?

The Group is:  Parov Stelar
The Song is: Libella Swing

Offline audiophile_user

  • Jr. Member
  • **
  • Joined: Jan 2013
  • Location: Philippines
  • Posts: 10
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #286 on: January 21, 2013, 01:09:03 AM »
@Breaktru

im building one this week. i tried building one on a breadboard. since i don't have low ESR caps as of this time. i will be using the cheap ones for now. My question is now that the voltage drop is so intense. any recommendations?

thanks

Offline audiophile_user

  • Jr. Member
  • **
  • Joined: Jan 2013
  • Location: Philippines
  • Posts: 10
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #287 on: January 21, 2013, 01:11:52 AM »
i getting through the posts made by other members what would be the best? i removed the resistors. i was thinking to get the pots or trimmers from bourns. i used the cheapy one just for prototyping.i really love you work. i appreciate it

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #288 on: January 21, 2013, 08:06:15 AM »
@Breaktru

im building one this week. i tried building one on a breadboard. since i don't have low ESR caps as of this time. i will be using the cheap ones for now. My question is now that the voltage drop is so intense. any recommendations?

thanks

Could be a few things that causes a significant voltage drop.
Battery - is it a quality battery?
Caps - Need low ESR
Connections on breadboard - battery and output wires should be at least 20 gauge, short and soldered directly. Not on breadboard.

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #289 on: January 21, 2013, 08:08:59 AM »
i getting through the posts made by other members what would be the best? i removed the resistors. i was thinking to get the pots or trimmers from bourns. i used the cheapy one just for prototyping.i really love you work. i appreciate it

Not sure if I'm following what you mean here.
cheap pot won't effect voltage drop.
removing resistors won't help for voltage drop but will change your voltage adjustment range

Offline sovran

  • Jr. Member
  • **
  • Joined: Jan 2013
  • Location: VA
  • Posts: 10
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #290 on: January 26, 2013, 06:16:19 PM »

Electrolytes are the ONLY caps that you should be using on the 04050c.
There are two types: Aluminum and Tantalum.
The first several boost mods where made with Tantalum (more expensive) but have switch to Aluminum. Don't use cheap ebay specials. You want to use LOW ESR rated if possible.
Page 10 of the Datasheet shows recommended Caps or do searching of your own for low ESR 100uF caps.
http://www.ti.com/lit/ds/symlink/ptn04050c.pdf

Breakthru, I want to give this mod a try. About the caps, I read or tried to read the datasheet but got confused on what value is considered low ESR. I also remeber seeing something about using 1% resistors. As confusing as the above is my eyes glaze and mind fogs when trying to pick parts out from digikey catalog. Do you have a BOM for someone that wants to build it exactly as you would suggest? I dont want meters or gadgets, just the basics with trim pot. Here is the board that I have  http://www.ebay.com/itm/230895284358?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
BTW my flash welder is working pretty good but still waiting on the enclosure to make it pretty.  ;bow;

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #291 on: January 26, 2013, 07:06:10 PM »
Breakthru, I want to give this mod a try. About the caps, I read or tried to read the datasheet but got confused on what value is considered low ESR. I also remeber seeing something about using 1% resistors. As confusing as the above is my eyes glaze and mind fogs when trying to pick parts out from digikey catalog. Do you have a BOM for someone that wants to build it exactly as you would suggest? I dont want meters or gadgets, just the basics with trim pot. Here is the board that I have  http://www.ebay.com/itm/230895284358?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
BTW my flash welder is working pretty good but still waiting on the enclosure to make it pretty.  ;bow;

Low ESR caps: 100uF, 10V
1% +/- tolerance resistors. Example, if you buy a 1% 10K resistor. It will be in a range 1% less to 1% higher. A 10.1K to 9.9K. If you bought a cheap 10K 20% tolerance resistor it can be 12K to 8K which would be significant in achieving your voltage range.

Offline sovran

  • Jr. Member
  • **
  • Joined: Jan 2013
  • Location: VA
  • Posts: 10
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #292 on: January 26, 2013, 07:44:45 PM »
Thanks for that link. I am still having problems with the resistors and trim pot. When I search the resistors, it narrows down to 1 resistor that looks nothing like what I know( 2 wires sticking out of a peice of ceramic? with colored bands on them) It resembles more like a IC chip. I looked through the post looking for a pic of the resistors but found none. The trim pot search left me with thousands of results because I dont know what the important values to search for are. I can follow directions and simple wire diagrams but no almost nothing about the parts themselves to choose the correct ones. Please a little more help.

Offline sovran

  • Jr. Member
  • **
  • Joined: Jan 2013
  • Location: VA
  • Posts: 10
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #293 on: January 26, 2013, 08:04:46 PM »
found the 15k resistor, and 4.7k. too many variables on the pot, unless this is it. 594-64W104

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #294 on: January 26, 2013, 08:05:59 PM »
Thanks for that link. I am still having problems with the resistors and trim pot. When I search the resistors, it narrows down to 1 resistor that looks nothing like what I know( 2 wires sticking out of a peice of ceramic? with colored bands on them) It resembles more like a IC chip. I looked through the post looking for a pic of the resistors but found none. The trim pot search left me with thousands of results because I dont know what the important values to search for are. I can follow directions and simple wire diagrams but no almost nothing about the parts themselves to choose the correct ones. Please a little more help.

There are many trimmers that you can choose from, It's a matter of what you like.
What value resistors are you looking for? the ones that I used? a 15K and a 4.7K ?

15K
4.7K
The trimmers are higher tolerance
100K, 25%
100K, 30%
100K, 25%

Offline sovran

  • Jr. Member
  • **
  • Joined: Jan 2013
  • Location: VA
  • Posts: 10
  • Karma: +1/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #295 on: January 26, 2013, 08:40:31 PM »
A modder and a gentleman. Woot! I can begin my modding adventures.

Offline utak3r

  • Sr. Member
  • ****
  • Joined: Feb 2013
  • Location: Szczecin, Poland
  • Posts: 54
  • Karma: +11/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #296 on: February 14, 2013, 05:23:00 PM »
Anyone can propose a good sized box for using 18490?
Right now I have a box for 14500 and I'm eager to test it, even for a proof of concept, until I find some better box...



here without the MOSFET switch part. For the test box I'll use just a big switch. For the bigger box I'll go probably for the MOSFET - and then maybe something more?  :)

That's a hell of a great module, thanks for your finding  :rockin smiley:

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #297 on: February 14, 2013, 06:41:11 PM »
Anyone can propose a good sized box for using 18490?
Right now I have a box for 14500 and I'm eager to test it, even for a proof of concept, until I find some better box...

here without the MOSFET switch part. For the test box I'll use just a big switch. For the bigger box I'll go probably for the MOSFET - and then maybe something more?  :)

That's a hell of a great module, thanks for your finding  :rockin smiley:

Very nice work. Nice and compact. Congrats on your build.
Have you used those mufti-turn trimmer pots before?

Offline utak3r

  • Sr. Member
  • ****
  • Joined: Feb 2013
  • Location: Szczecin, Poland
  • Posts: 54
  • Karma: +11/-0
  • Gender: Male
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #298 on: February 14, 2013, 08:16:57 PM »
Have you used those mufti-turn trimmer pots before?

Yes, I have it in my LM2596 down-step installation.

Online Breaktru

  • Administrator
  • PV Master
  • *****
  • Joined: Nov 2008
  • Location: NY
  • Posts: 3300
  • Karma: +784/-4
  • Gender: Male
  • PLEASE participate in this forum
Re: .44 mini Booster Box Mod Variable Voltage
« Reply #299 on: February 15, 2013, 06:43:51 AM »
Yes, I have it in my LM2596 down-step installation.

All though precise output voltage adjustment is obtainable w/ the multi-turn trimmer, do you find it a pain to have to turn the adjust screw so many times to adjust.
I have used a 20 turn trimmer and removed it after 10 min of use.

Breaktru Forum  |  eCigarette Forum  |  Modding  |  Topic: .44 mini Booster Box Mod Variable Voltage
 

gfxgfx
gfx gfx
Powered by MySQL Powered by PHP Valid XHTML 1.0! Valid CSS!