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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
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Old 12th January 2018, 03:43 PM   #221
Zen Mod is offline Zen Mod  Serbia
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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
no way Bubba

I asked not because I'm scared of soldering little buggers , but because I would sleep better knowing that entire amp current is not going through two tiny legs (pair plus pair) .....hoping that there is package with little less tiny legs

doesn't matter how much adapter looks nice and useful (however , nothing saving you from actually soldering little critter) , traces at adapter are too tiny for currents involved, so finally just exaggerating level of nightmares


me thinks that regular fuses are much easier to implement
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Old 12th January 2018, 05:15 PM   #222
indra1 is offline indra1  Indonesia
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Hey, we have similar type of "tender age" dodo eyes here, we prefer the small TO264 fuses compared to the marginally visible TO92 dust spec.
Found larger package ACS770/780 family for 50-200A, less resolution and spice model not found yet. Datasheet can be downloaded from here, can not attach due to forum pdf size limit. Not certain to be usable due to low resolution.

For the SOIC8, solder paste really helps as shown on youtube vid here. A bit easier, less chance for a short, the excess flux actually flows the solder to the pads. A couple of short pieces of solid copper wires can easily be added easily enough to avoid nightmares.
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Old 12th January 2018, 06:03 PM   #223
Zen Mod is offline Zen Mod  Serbia
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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
tnx for effort .........

looking at specs , it seems way too crude for our purpose , already found ACS723/10A being in right area for our needs

additional 1.0mm wires - already tinkered of ... and they seems mandatory

will battle with SOIC8
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Last edited by Zen Mod; 12th January 2018 at 06:10 PM.
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Old 12th January 2018, 06:14 PM   #224
Zen Mod is offline Zen Mod  Serbia
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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
you know , maybe better to switch to something as ГМ-70 ,all wires and parts more appropriate for our tender age ..........




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Old 12th January 2018, 08:52 PM   #225
indra1 is offline indra1  Indonesia
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How true.
Only a couple of notes, as Papa said, there is a minor problem of a bit too much 2H and nice xfrmrs are spendy. Currently preparing a 10Y hybrid, still tweaking the design.
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Old 12th January 2018, 09:04 PM   #226
Zen Mod is offline Zen Mod  Serbia
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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
well

if choosing between cheap with grandiose twist and expensive with not-so-grandiose twist ............ I know where my heart is

(not counting being blessed with expensive with grandiose twist , which certainly wasn't by my choosing , just being notworthy but lucky with friends )
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Old 13th January 2018, 04:28 PM   #227
lhquam is offline lhquam  United States
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Quote:
Originally Posted by Zen Mod View Post
yup

though ..... I meant to ask indra - did he found some bigger cased buggers , with same characteristics .........

preparing one short list of special parts , to order ...... none of them being in regular stock of my usual vendors

as soon I finish that list , with ACS buggers too , I can start count 2 or 3 weeks to delivery
I did some DigiKey searches and found this one: Tamura L18P003D15. http://www.tamuracorp.com/clientuplo...L18PXXXD15.pdf. It is not a drop in replacement for the Allegro device but might be made to work. There are some other 'Thru Hole' mounted Hall Effect sensors listed at DigiKey that might be of interest.
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Old 13th January 2018, 04:50 PM   #228
indra1 is offline indra1  Indonesia
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Thanks Lynn, awesome! The Tamura looks good.
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Old 13th January 2018, 05:33 PM   #229
Zen Mod is offline Zen Mod  Serbia
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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
though , after some searching , Tamura isn't so good , considering both price and transfer characteristic ...... (checked several models )

just found some modules on TME , no solo chips

pic is good and informative ...... all I needed from this search
Attached Images
File Type: jpg ACS chip physical implementation.jpg (301.3 KB, 249 views)
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Old 13th January 2018, 05:48 PM   #230
Zen Mod is offline Zen Mod  Serbia
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Most Greedy Boy, of them all... or (there is no) DEFiSIT of Papa's Koans
10 greenies/piece range , I would choose ALPS Board Mount Current Sensors | Mouser Slovakia

https://www.mouser.com/ds/2/15/GCBC040-1A_e-336425.pdf

however , I think I'm going to stick with first drek indra found ...... neat simple and just right

and cheap
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