Dangerous Soldering Iron driver V1.5(based on Arhi's gen3)

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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby s7726 » Wed Mar 21, 2012 11:22 am

Re-Post, after posting in wrong topic:

I just ordered the DP v1.5 SID and I've been looking over the Parts List. It's not exactly clear on some things but I did the best I could to find the appropriate parts.

If someone gets a chance could you look this over? I would like to get it nailed down and make it available to others in place of the existing list.

I ended up looking on mouser. I went with 1% for alot of the resistors because they were cheap anyway. For the Headers I just tacked on a strip of 36 SIL for each line item (You can never have too many). I plan to use 2xSIL out of the extras for the DIL. This might be something to change for throwing it out to the masses.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arakis » Thu Mar 22, 2012 2:32 am

thanks, for making the list, with what part did you have issues?
best regards FIlip.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby s7726 » Thu Mar 22, 2012 9:16 am

arakis wrote:thanks, for making the list, with what part did you have issues?


A few things, mostly on packages that may have just been specified too far
Code: Select all
D1   1   1N4148DO35-7   DO35-7
D2,D3,D4,D5,D6   5   1N4003   DO41-7.6
D8   1   1N5819   DO41-7.6

The 7 and 7.6 part threw me.
Code: Select all
IC2   1   LM385Z   TO92

I ended up finding 926-LM336BZ-5.0/NOPB that seemed compatible
Code: Select all
L1   1   MICC10   MICC10

I couldn't find an MICC10 but looking through the other blog from Arhi I think I came up with something reasonable 542-78F1R0-RC
Code: Select all
Part   Quantity   Value   Package   Qty   Mouser
T1   1   BJT NPN   TO92-CBE   1   512-BC33725BU
T2   1   BJT PNP   TO92-EBC   1   512-KSA733CGBU
TRIAC   1   TIC206D   TO220BV   1   576-Q4004L3
XTAL1   1   20Mhz   HC49U70   1   774-ATS20A

The last ones i think I found something that will work for all of them.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arhi » Thu Mar 22, 2012 11:42 am

wrt inductor,

for the big one find one that gives you enough current and is higher then 300uH
for the small one (1uH) you can omit it (just put a wire across it to allow current to flow)
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby s7726 » Thu Mar 22, 2012 12:54 pm

arhi wrote:wrt inductor,

for the big one find one that gives you enough current and is higher then 300uH
for the small one (1uH) you can omit it (just put a wire across it to allow current to flow)


When you say "gives enough current" do you mean can handle the current? I used the spec'd part from the list for that one.
Is there something I should look for, for maybe needing the 1uH? Will I maybe see some noise or ripple that it would alleviate?
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arhi » Thu Mar 22, 2012 1:01 pm

yes, "can handle" enough current. Make sure it is rated for minimum double of what your circuit uses. The standard circuit with regular 16x2 with backlight all together can take up to 300mA so you need min 600mA inductor. If you use low power lcd it can all go down to 30mA and even lower. I for e.g. use 1A 300uH inductor for all devices where I have lcd with backlight.

The 1uH in theory cleans up the noise, but depending on the capacitors you put there it can work against you. I have 1uH only on one device and on all other devices I removed the 1uH and just shorted the leads.

The whole thing is that you have so much inertia in the tip that all the fine twiddling, adding references for fine tuned adc etc etc is waste of time when you have system that lies 10+C without a problem .. so your 50-100mV ripple ain't going to affect nothing in the circuit itself (and if you put all those cap's I placed on schematic, the ripple is almost non existing so that 1uH don't do sh*t)
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arakis » Thu Mar 22, 2012 1:05 pm

s7726 wrote:
arhi wrote:wrt inductor,

for the big one find one that gives you enough current and is higher then 300uH
for the small one (1uH) you can omit it (just put a wire across it to allow current to flow)


When you say "gives enough current" do you mean can handle the current? I used the spec'd part from the list for that one.
Is there something I should look for, for maybe needing the 1uH? Will I maybe see some noise or ripple that it would alleviate?


any inductor ~1uH, with low resistance (less then 0.1ohm) will do, they come in resistor type packages,

but I bought a random 1uH inductor from my local place, and the resistance was so high that the regulator ended up giving 4V instead of 5V.... by shortening it, it works fine, so if you can find a low resistance 1uH inductor you'll have better resolution on your sensor readings, but the PID loop of the sensor heater is so slow on these irons that trying to achieve perfection is not possible. My recommendation is to just short it like arhi mentioned.

*it wont make that much of a difference on the soldering station, and it will still outperform any analog station original station out-there.
best regards FIlip.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby s7726 » Thu Mar 22, 2012 1:57 pm

Note on C2, C3. The schematic show 0.2uF. The parts list shows the correct 0.1uF part.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arhi » Thu Mar 22, 2012 4:51 pm

caps in the psu are not critical to be the exact values .. you can use 1000uF instead of 470uF or 220n instead of 100n .. will work
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby ian » Mon Mar 26, 2012 11:44 am

@Ian; can you chime in? I would like to know as well. And if you are; can you estimate the price? Or better yet; the when?


Sorry, arakis' estimate is as good as I have too. I am sending it out for a quote today. If it tests and works we will have PCBs for ~10 bucks in a week. I am also giving (public domain) permission to a new startup in china to make kits available, but I will know more after I meet wit them in person next week.

I did also send a bunch out, I bet we see one or two in the next week or so.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby dinoslmn » Fri Apr 13, 2012 7:37 am

Any news ?
My components waiting !!
Best Regards,
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arakis » Fri Apr 13, 2012 10:11 am

dinoslmn wrote:Any news ?
My components waiting !!


sorry no, there are no news, we've been super busy and I don't think anyone at DP has built a SID1.5 yet...I'll go for it over the weekend, although I am unsure I have all the components.
best regards FIlip.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby turboaleks » Sat May 19, 2012 5:41 pm

Hello Arakis,
first of all i would like to thank you and Arhi for developing the SID.I have built the SID1.5 two months ago. It still has no enclousure and there are some things to be done, but generally said, it works.
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arhi » Sat May 19, 2012 7:22 pm

turboaleks wrote:Hello Arakis,
first of all i would like to thank you and Arhi for developing the SID.I have built the SID1.5 two months ago. It still has no enclousure and there are some things to be done, but generally said, it works.


we do not trust you, show pictures!!! :D :D :D
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Re: Dangerous Soldering Iron driver V1.5(based on Arhi's gen

Postby arhi » Sat May 19, 2012 9:25 pm

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