Author Topic: Traco Power - Power Supply design  (Read 2939 times)

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Offline ElectricGuyTopic starter

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Traco Power - Power Supply design
« on: November 26, 2015, 10:52:39 pm »
Hi;

Does anyone worked with this power supplys before tha can give me some hints?
http://www.tracopower.com/products/browse-by-category/find/tmp-tmpm/3/
http://assets.tracopower.com/TMP-TMPM/documents/tmp-tmpm-datasheet.pdf

My questions is, does this kind of supplys needs any external components, like capacitor and TVS on the output, and capacitors and fuse on the input?
I searched on the datasheet, and i don't see anything about that.

In other power supplys like this one, the designer must add some external components, for instance, this one;
http://docs-europe.electrocomponents.com/webdocs/117d/0900766b8117dee1.pdf

or this one;
http://docs-europe.electrocomponents.com/webdocs/117d/0900766b8117dee0.pdf

Thank you!
Thank you!
Regards
ElectricGuy
 

Offline T3sl4co1l

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Re: Traco Power - Power Supply design
« Reply #1 on: November 27, 2015, 05:46:02 am »
"External input fuse required:" (near top, p.2).

You could add surge protection, more filtering, etc.  But probably not a big deal.

Obviously, having uninsulated parts, it needs an enclosure, but otherwise it meets UL/IEC 60950 (a safety standard), and all the other things needed to sell something.

BTW, EMC approvals are helpful, but not sufficient for selling a final product -- you still have to test, in case you've added things, or managed to make existing clean parts dirty somehow. :)
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Offline ElectricGuyTopic starter

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Re: Traco Power - Power Supply design
« Reply #2 on: November 30, 2015, 03:19:59 pm »
"External input fuse required:" (near top, p.2).

You could add surge protection, more filtering, etc.  But probably not a big deal.

Obviously, having uninsulated parts, it needs an enclosure, but otherwise it meets UL/IEC 60950 (a safety standard), and all the other things needed to sell something.

BTW, EMC approvals are helpful, but not sufficient for selling a final product -- you still have to test, in case you've added things, or managed to make existing clean parts dirty somehow. :)

Thank you T3sl4co1l;

This is not for a comercial unit, it's a 1 or 2 units production, and it will be enclosured.
I will try it out!

Thanks
Thank you!
Regards
ElectricGuy
 

Offline Pjotr

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Re: Traco Power - Power Supply design
« Reply #3 on: November 30, 2015, 03:28:14 pm »
I have used the Traco units al lot >= 10W. These are ok and reliable. But although class-II they have an EMC cap build in between mains and SELV side. So if you use more units together watch the total safe leakage current.
« Last Edit: November 30, 2015, 03:29:53 pm by Pjotr »
 

Offline ElectricGuyTopic starter

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Re: Traco Power - Power Supply design
« Reply #4 on: November 30, 2015, 04:28:33 pm »
I have used the Traco units al lot >= 10W. These are ok and reliable. But although class-II they have an EMC cap build in between mains and SELV side. So if you use more units together watch the total safe leakage current.

Thank you. I only need the 4W. Only one unit per/equipment will be used.
Thank you!
Regards
ElectricGuy
 

Offline Kjelt

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Re: Traco Power - Power Supply design
« Reply #5 on: November 30, 2015, 05:56:19 pm »
Anybody know of a teardown of such a traco powerbrick? Would like to see what's inside if it is just a simple design or real fancy stuff.
 

Offline ElectricGuyTopic starter

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Re: Traco Power - Power Supply design
« Reply #6 on: November 30, 2015, 05:58:21 pm »
Anybody know of a teardown of such a traco powerbrick? Would like to see what's inside if it is just a simple design or real fancy stuff.

Yes, that would be great!
Thank you!
Regards
ElectricGuy
 


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