Mail Archives: geda-user/2014/07/23/06:15:18
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| From: | Filippo Micheletti <filippomicheletti AT gmail DOT com>
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| Date: | Wed, 23 Jul 2014 12:13:41 +0200
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| Message-ID: | <CAHBVutCwQKst452fez=kksCsm0NK7vLv3gN1C0H_O5E6drxE3g@mail.gmail.com>
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| Subject: | Re: [geda-user] Coilcraft SMD inductor footprint
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--001a11c13e7ea992d704fed99a01
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It's perfect, thanks a lot!
-Filippo-
On 22 July 2014 19:31, Stefan Salewski <mail AT ssalewski DOT de> wrote:
> On Tue, 2014-07-22 at 15:07 +0200, Filippo Micheletti wrote:
> > Hi there,
> > I need to use a Coilcraft MSS1278 series SMD inductor, has anyone alrea=
dy
> > drawn the corresponding footprint?
> >
> > -Filippo-
>
> Please check carefully -- and note that you may desire extended pads for
> hand soldering (I used data from pdf)
>
> stefan AT AMD64X2 ~/sfg $ ruby sfg.rb input.txt
> stefan AT AMD64X2 ~/sfg $ cat input.txt
> Device =3D Global
> author =3D "Stefan Salewski"
> email =3D "mail AT ssalewski DOT de"
> dist-license =3D GPL
> use-license =3D unlimited
> date =3D "22-JUL-2014"
> elementdir =3D "./"
> silkwidth =3D 10 mil
> silkoffset =3D 10 mil
> textpos =3D upperleft
> textorientation =3D horizontal
> refdessize =3D 100
> mask =3D 6 mil
> clearance =3D 10 mil
> p1silkmark =3D ""
> p1coppermark =3D "no"
>
> # Quad Flat Packages and similar SMD devices like SO, see
> http://en.wikipedia.org/wiki/QFP
> Device =3D QFP
> defaultunit =3D mm
> name =3D "MSS1278" # name of the footprint -- if left empty then filena=
me
> is used
> description =3D "" # detailed description
> desc =3D "SMT Power Inductors =E2=80=93 MSS1278" # short description
> documentation =3D "http://www.coilcraft.com/pdfs/mss1278.pdf" # source =
of
> layout, i.e. URI of datasheet
> pins =3D 2 # total number of pins
> rows =3D 1 # number of pins at side of pin one -- 0 is identical to pin=
s/4
> width =3D 8.5 # separation of the two columns of pads -- center to cent=
er.
> If 0 height is used.
> height =3D 0 # separation of the two rows of pads -- center to center. =
If
> 0 width is used.
> pitch =3D 0 # distance between adjacent pads -- center to center
> padthickness =3D 5.5 # should be smaller than pitch
> padlength =3D 4
> centerpadwidth =3D 0 # width of additional center pad with number pins+=
1
> -- use 0 to supress
> centerpadheight =3D 0 # height of additional center pad with number pin=
s+1
> -- use 0 to supress
> silkbox =3D "custom" # inner or outer for autosize, custom for explicit
> size, otherwise no box
> silkboxwidth =3D 12 # silkbox width, used if silkbox =3D custom, no box=
if
> value is too small
> silkboxheight =3D 12 # silkbox height, used if silkbox =3D custom, no b=
ox if
> value is too small
> ovalpads =3D "no" # to get ovals use: oval, ovalpads, yes, true, 1
> p1silkmark =3D "no" # mark pin/pad 1: see global section, or for specif=
ic
> shape: circle, damage, slash
> Generate MSS1278.fp
>
> stefan AT AMD64X2 ~/sfg $ cat MSS1278.fp
> Element["" "SMT Power Inductors =E2=80=93 MSS1278" "MSS1278" "" 0 0 -2362=
2 -31122
> 0 100 ""]
> (
> Pad[-16732 -2953 -16732 2953 15748 2000 16948 "1" "1" "square"]
> Pad[16732 -2953 16732 2953 15748 2000 16948 "2" "2" "square"]
> ElementLine[-23622 -23622 -23622 -12327 1000]
> ElementLine[-23622 23622 -23622 12327 1000]
> ElementLine[-23622 -23622 23622 -23622 1000]
> ElementLine[23622 -23622 23622 -12327 1000]
> ElementLine[23622 23622 23622 12327 1000]
> ElementLine[23622 23622 -23622 23622 1000]
> Attribute("name" "MSS1278")
> Attribute("author" "Stefan Salewski")
> Attribute("email" "mail AT ssalewski DOT de")
> Attribute("dist-license" "GPL")
> Attribute("use-license" "unlimited")
> Attribute("date" "22-JUL-2014")
> Attribute("desc" "SMT Power Inductors =E2=80=93 MSS1278")
> Attribute("documentation" "http://www.coilcraft.com/pdfs/mss1278.pdf")
> )
> stefan AT AMD64X2 ~/sfg $ pcb MSS1278.fp
>
>
>
>
--001a11c13e7ea992d704fed99a01
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<div dir=3D"ltr">It's perfect, thanks a lot!</div><div class=3D"gmail_e=
xtra"><br clear=3D"all"><div><br>-Filippo-<div><br></div><div><img src=3D"h=
ttp://mitexeced.com/mit_lightbox/images/think_before_you_print.png"><br></d=
iv></div>
<br><br><div class=3D"gmail_quote">On 22 July 2014 19:31, Stefan Salewski <=
span dir=3D"ltr"><<a href=3D"mailto:mail AT ssalewski DOT de" target=3D"_blank"=
>mail AT ssalewski DOT de</a>></span> wrote:<br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class=3D"HOEnZb"><div class=3D"h5">On Tue, 2014-07-22 at 15:07 +0200, =
Filippo Micheletti wrote:<br>
> Hi there,<br>
> I need to use a Coilcraft MSS1278 series SMD inductor, has anyone alre=
ady<br>
> drawn the corresponding footprint?<br>
><br>
> -Filippo-<br>
<br>
</div></div>Please check carefully -- and note that you may desire extended=
pads for<br>
hand soldering (I used data from pdf)<br>
<br>
stefan AT AMD64X2 ~/sfg $ ruby sfg.rb input.txt<br>
stefan AT AMD64X2 ~/sfg $ cat input.txt<br>
Device =3D Global<br>
=C2=A0 author =3D "Stefan Salewski"<br>
=C2=A0 email =3D "<a href=3D"mailto:mail AT ssalewski DOT de">mail AT ssalewski.=
de</a>"<br>
=C2=A0 dist-license =3D GPL<br>
=C2=A0 use-license =3D unlimited<br>
=C2=A0 date =3D "22-JUL-2014"<br>
=C2=A0 elementdir =3D "./"<br>
=C2=A0 silkwidth =3D 10 mil<br>
=C2=A0 silkoffset =3D 10 mil<br>
=C2=A0 textpos =3D upperleft<br>
=C2=A0 textorientation =3D horizontal<br>
=C2=A0 refdessize =3D 100<br>
=C2=A0 mask =3D 6 mil<br>
=C2=A0 clearance =3D 10 mil<br>
=C2=A0 p1silkmark =3D ""<br>
=C2=A0 p1coppermark =3D "no"<br>
<br>
# Quad Flat Packages and similar SMD devices like SO, see <a href=3D"http:/=
/en.wikipedia.org/wiki/QFP" target=3D"_blank">http://en.wikipedia.org/wiki/=
QFP</a><br>
Device =3D QFP<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 defaultunit =3D mm<br>
=C2=A0 name =3D "MSS1278" # name of the footprint -- if left empt=
y then filename is used<br>
=C2=A0 description =3D "" # detailed description<br>
=C2=A0 desc =3D "SMT Power Inductors =E2=80=93 MSS1278" # short d=
escription<br>
=C2=A0 documentation =3D "<a href=3D"http://www.coilcraft.com/pdfs/mss=
1278.pdf" target=3D"_blank">http://www.coilcraft.com/pdfs/mss1278.pdf</a>&q=
uot; # source of layout, i.e. URI of datasheet<br>
=C2=A0 pins =3D 2 # total number of pins<br>
=C2=A0 rows =3D 1 # number of pins at side of pin one -- 0 is identical to =
pins/4<br>
=C2=A0 width =3D 8.5 # separation of the two columns of pads -- center to c=
enter. If 0 height is used.<br>
=C2=A0 height =3D 0 # separation of the two rows of pads -- center to cente=
r. If 0 width is used.<br>
=C2=A0 pitch =3D 0 # distance between adjacent pads -- center to center<br>
=C2=A0 padthickness =3D 5.5 # should be smaller than pitch<br>
=C2=A0 padlength =3D 4<br>
=C2=A0 centerpadwidth =3D 0 # width of additional center pad with number pi=
ns+1 -- use 0 to supress<br>
=C2=A0 centerpadheight =3D 0 # height of additional center pad with number =
pins+1 -- use 0 to supress<br>
=C2=A0 silkbox =3D "custom" # inner or outer for autosize, custom=
for explicit size, otherwise no box<br>
=C2=A0 silkboxwidth =3D 12 # silkbox width, used if silkbox =3D custom, no =
box if value is too small<br>
=C2=A0 silkboxheight =3D 12 # silkbox height, used if silkbox =3D custom, n=
o box if value is too small<br>
=C2=A0 ovalpads =3D "no" # to get ovals use: oval, ovalpads, yes,=
true, 1<br>
=C2=A0 p1silkmark =3D "no" # mark pin/pad 1: see global section, =
or for specific shape: circle, damage, slash<br>
=C2=A0 Generate MSS1278.fp<br>
<br>
stefan AT AMD64X2 ~/sfg $ cat MSS1278.fp<br>
Element["" "SMT Power Inductors =E2=80=93 MSS1278" &quo=
t;MSS1278" "" 0 0 -23622 -31122 0 100 ""]<br>
(<br>
=C2=A0 Pad[-16732 -2953 -16732 2953 15748 2000 16948 "1" "1&=
quot; "square"]<br>
=C2=A0 Pad[16732 -2953 16732 2953 15748 2000 16948 "2" "2&qu=
ot; "square"]<br>
=C2=A0 ElementLine[-23622 -23622 -23622 -12327 1000]<br>
=C2=A0 ElementLine[-23622 23622 -23622 12327 1000]<br>
=C2=A0 ElementLine[-23622 -23622 23622 -23622 1000]<br>
=C2=A0 ElementLine[23622 -23622 23622 -12327 1000]<br>
=C2=A0 ElementLine[23622 23622 23622 12327 1000]<br>
=C2=A0 ElementLine[23622 23622 -23622 23622 1000]<br>
=C2=A0 Attribute("name" "MSS1278")<br>
=C2=A0 Attribute("author" "Stefan Salewski")<br>
=C2=A0 Attribute("email" "<a href=3D"mailto:mail AT ssalewski DOT d=
e">mail AT ssalewski DOT de</a>")<br>
=C2=A0 Attribute("dist-license" "GPL")<br>
=C2=A0 Attribute("use-license" "unlimited")<br>
=C2=A0 Attribute("date" "22-JUL-2014")<br>
=C2=A0 Attribute("desc" "SMT Power Inductors =E2=80=93 MSS12=
78")<br>
=C2=A0 Attribute("documentation" "<a href=3D"http://www.coil=
craft.com/pdfs/mss1278.pdf" target=3D"_blank">http://www.coilcraft.com/pdfs=
/mss1278.pdf</a>")<br>
)<br>
stefan AT AMD64X2 ~/sfg $ pcb MSS1278.fp<br>
<br>
<br>
<br>
</blockquote></div><br></div>
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