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Breaktru Forum  |  eCigarette Forum  |  Modding  |  Topic: Tact switch and mosfet transistor questions
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Author Topic: Tact switch and mosfet transistor questions  (Read 137513 times)

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Offline CraigHB

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Re: Tact switch and mosfet transistor questions
« Reply #400 on: April 29, 2015, 05:03:58 PM »
Looks good.  I really like those PMOS from Vishay, pretty much my go to P-channel for switching power on and off.  I've measured 2 mOhms with those at 3.7V, can't do much better than that (using voltage over current measurement).  The TPS3700 is a great detector.  I used it in my last project (non-ecig) and it works flawlessly, simple and easy to wire as well.

Offline dc99

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Re: Tact switch and mosfet transistor questions
« Reply #401 on: April 29, 2015, 07:37:35 PM »
Wicked cool David. Time to order some more boards.

Offline david4500

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Re: Tact switch and mosfet transistor questions
« Reply #402 on: April 29, 2015, 07:52:13 PM »
Thanks Craig. Really appreciate all of your help especially in this thread as well as the rest of the forum.

Thank you also dc. You considering making a similar board was what helped push me to make the board. Hope they work out well for you if you get some from Oshpark.
« Last Edit: April 29, 2015, 10:23:50 PM by david4500 »

Offline dc99

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Re: Tact switch and mosfet transistor questions
« Reply #403 on: April 29, 2015, 09:56:41 PM »
Im sure this board will work as good as your others. Ive been using your board with the fuses on it. It has worked great. Perfect in a G-box with a printed sled

Offline david4500

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Re: Tact switch and mosfet transistor questions
« Reply #404 on: May 05, 2015, 12:03:46 PM »



Offline studiovape

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Re: Tact switch and mosfet transistor questions
« Reply #405 on: November 11, 2015, 08:57:24 AM »
Hi guys,
 I've been running several unregulated single 3.7v IMR (20-30AMP max discharge) cell BF mods for while now with a single  PSMN1R2-25YLC, is there anything better recently released in the SMD descrete 5x5x1.1mm package?
I ask only because i plan to make a few mods for friends and although I have had zero issues running 0.6Ohm coils I want to know why I should run more than one, incidentally they will be protected with MHP-TA15-9-77 , 15amp resetables between the battery negative and the source on the mosfet so will be tripping at around 60Watts assuming a 0.26Ohm coil and 4v.
Just because I haven't had issues doesn't mean others wont when a few are in the wild. I have though as stated had ultra reliable performance from the PSMN1R2-25YLC and they seem very resilient to slightly longer than ideal soldering periods.

Offline DIYFancyLights

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Re: Tact switch and mosfet transistor questions
« Reply #406 on: November 11, 2015, 09:39:47 AM »
I've got a board on eBay with a PSMN0R9-25 and 15K pulldown resistor already soldered on. It also has holes large enough for 14awg stranded wire for the Source/Drain high current lines and made with 2oz copper to reduce losses. I got reports of people using it at 0.08 ohms without it warming up at all.

qty 1 - http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=261960134586
qty 5 with wire & heatshrink - http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=252096055090

There are other listings including a qty 10.

Offline Ian444

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Re: Tact switch and mosfet transistor questions
« Reply #407 on: November 12, 2015, 04:54:30 AM »
Very nice work DIYFL, thanks for sharing  8)

Offline tj138waterboy

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Re: Tact switch and mosfet transistor questions
« Reply #408 on: January 04, 2016, 11:15:29 PM »
Very nice Diyfl. I'm glad you and David4500 are doing those boards for the modders. I had one built a while back at oshpark but never got around to making it into a small package. Also if you're still around David, I have built and used 2 of your dualparamos minis and they are flawless.

Offline DIYFancyLights

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Re: Tact switch and mosfet transistor questions
« Reply #409 on: January 05, 2016, 08:02:03 AM »
I'm sure David4500 will see it. He's the one that invited me here and we've been sharing ideas and possible designs.

Offline tj138waterboy

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Re: Tact switch and mosfet transistor questions
« Reply #410 on: January 05, 2016, 08:42:49 AM »
I'm getting back into playing with cads oft and diptrace and I wanna try to replicate your 2 boards but try to add in some form of modular design possibly adding pin header so you could kinda make it like a plug and play upgrade. Unregulated with plug n play pwm.

Offline DIYFancyLights

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Re: Tact switch and mosfet transistor questions
« Reply #411 on: January 05, 2016, 08:49:41 AM »
The key requirements I had for my board was as small as possible and 14 awg stranded for the high current wiring, and then I managed to squeeze in space for a through hole resistor for people that want to light an LED while vaping without having yet another dangling part.

A side effect of a clean through hole design, those people really needing high performance can parallel the MOSFET's just by stacking them.

Offline david4500

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Re: Tact switch and mosfet transistor questions
« Reply #412 on: January 06, 2016, 05:05:42 PM »
Hey fellas! Yeah I still lurk around here from time to time... been a bit quiet lately... But anyways, TJ glad you like the boards. Making your own is much more satisfying, good luck.

Offline ebie

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Re: Tact switch and mosfet transistor questions
« Reply #413 on: May 24, 2017, 01:44:42 PM »
Where can i purchase your PWM PCB David4500 ?

Breaktru Forum  |  eCigarette Forum  |  Modding  |  Topic: Tact switch and mosfet transistor questions
 

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