footprint generator for single-channel FETs from Diodes Inc, TI, etc

diff --git a/packages/Makefile b/packages/Makefile
index b7fcc639fe1b0018621b8631ce46a0e1673e57e5..ae49e4d0cdbb534db2ccd3de93b03d496f73a21b 100644 (file)
--- a/packages/Makefile
+++ b/packages/Makefile
@@ -152,7 +152,8 @@ FOOTPRINTS= \
        udfn8.fp \
        PDV-P8103.fp \
        SJ-352X-SMT.fp \
-       DSE0006A.fp
+       DSE0006A.fp \
+       U-DFN2020-6-F.fp
 
 .5c.fp:
        nickle $*.5c -o $@

diff --git a/packages/U-DFN2020-6-F.py b/packages/U-DFN2020-6-F.py
new file mode 100755 (executable)
index 0000000..648f0cc
--- /dev/null
+++ b/packages/U-DFN2020-6-F.py
@@ -0,0 +1,110 @@
+#!/usr/bin/python3
+# Copyright 2021 by Bdale Garbee <bdale@gag.com>.  GPLv3
+#
+# Program to emit U-DFN2020-6 (Type F) footprint for singe-channel FET
+#
+
+# dimensions in mm from diodes-inc/DMN2022UFDF.pdf datasheet
+
+BodyWidth = 2.0
+BodyHeight = 2.0
+
+PinWidth = 0.4
+PinHeight = 0.425
+PinSpacing = 0.65
+RowOuters = 2.3
+RowSpacing = RowOuters - (2 * PinHeight)
+
+# overall dimensions for the two inner pads
+X1 = 0.48
+Y1 = 0.80
+
+X2 = 0.95
+Y2 = 1.15
+
+# we're going to use the 1/100 of a mil fundamental unit form
+def mm2mils100( mm ):
+       return int( mm / 25.4 * 1000.0 * 100.0 + 0.5 )
+
+print ('# author: Bdale Garbee')
+print ('# email: bdale@gag.com')
+print ('# dist-license: GPL 3')
+print ('# use-license: unlimited')
+
+print ('Element[0x0 "U-DFN2020-6-F" "" "" 0 0 -10161 -12011 0 100 0x0]')
+print ("(")
+for pin in range (0,3):
+    print ('   Pad[',\
+       mm2mils100((pin-1) * PinSpacing), \
+       mm2mils100(-(RowSpacing/2 + PinWidth/2)), \
+       mm2mils100((pin-1) * PinSpacing), \
+       mm2mils100(-(RowSpacing/2 + PinHeight - PinWidth/2)), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinWidth)+600, \
+       '"pin%i"' % (6 - pin), '"%i"' % (6 - pin), '0x0100]')
+
+    print ('   Pad[',\
+       mm2mils100((pin-1) * PinSpacing), \
+       mm2mils100(RowSpacing/2 + PinWidth/2), \
+       mm2mils100((pin-1) * PinSpacing), \
+       mm2mils100(RowSpacing/2 + PinHeight - PinWidth/2), \
+       mm2mils100(PinWidth), \
+       mm2mils100(PinSpacing - PinWidth), \
+       mm2mils100(PinWidth)+600, \
+       '"pin%i"' % (1 + pin), '"%i"' % (1 + pin), '0x0100]')
+
+print ('   Pad[',\
+       mm2mils100(-PinSpacing/2), \
+       mm2mils100(-Y2/2 + X2/2), \
+       mm2mils100(-PinSpacing/2), \
+       mm2mils100(Y2/2 - X2/2), \
+       mm2mils100(X2), \
+       mm2mils100(.1524), \
+       mm2mils100(X2)+600, \
+       '"pin7" "7" 0x0100]')
+
+print ('   Pad[',\
+       mm2mils100(PinSpacing + (X1 - PinWidth)/2), \
+       mm2mils100(-Y1/2 + X1/2), \
+       mm2mils100(PinSpacing + (X1 - PinWidth)/2), \
+       mm2mils100(Y1/2 - X1/2), \
+       mm2mils100(X1), \
+       mm2mils100(.1524), \
+       mm2mils100(X1)+600, \
+       '"pin8" "8" 0x0100]')
+
+#print ('   ElementLine[',\
+#      mm2mils100(-BodyHeight/2), \
+#      mm2mils100(-BodyWidth/2), \
+#      mm2mils100(-BodyHeight/2), \
+#      mm2mils100( BodyWidth/2), \
+#      '1000 ]')
+#
+#print ('   ElementLine[',\
+#      mm2mils100(-BodyHeight/2), \
+#      mm2mils100( BodyWidth/2), \
+#      mm2mils100( BodyHeight/2), \
+#      mm2mils100( BodyWidth/2), \
+#      '1000 ]')
+#
+#print ('   ElementLine[',\
+#      mm2mils100( BodyHeight/2), \
+#      mm2mils100( BodyWidth/2), \
+#      mm2mils100( BodyHeight/2), \
+#      mm2mils100(-BodyWidth/2), \
+#      '1000 ]')
+#
+#print ('   ElementLine[',\
+#      mm2mils100( BodyHeight/2), \
+#      mm2mils100(-BodyWidth/2), \
+#      mm2mils100(-BodyHeight/2), \
+#      mm2mils100(-BodyWidth/2), \
+#      '1000 ]')
+#
+#print ('   ElementArc[',\
+#      mm2mils100(-2 * PinSpacing), \
+#      mm2mils100(1.25 * RowSpacing), \
+#      '500 500 0 360 1000 ]')
+
+print (")")