From 7fb405f6a40f0caaade78decc32b4d5cc7c0edda Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Thu, 18 Nov 2010 11:33:41 -0700 Subject: [PATCH] add explicit netlist connection for exposed ground pad on DFN, clean up various attributes on the layout to ensure no conflict with LiPo connector and lower impedance for various high-current nets --- lipocharger.pcb | 108 ++++++++++++++++++++++++++++-------------------- lipocharger.sch | 49 +++++++++++----------- 2 files changed, 88 insertions(+), 69 deletions(-) diff --git a/lipocharger.pcb b/lipocharger.pcb index 84f1689..301c8c5 100644 --- a/lipocharger.pcb +++ b/lipocharger.pcb @@ -1,5 +1,5 @@ # release: pcb 20091103 -# date: Thu Nov 18 08:30:29 2010 +# date: Thu Nov 18 11:32:57 2010 # user: bdale (Bdale Garbee,KB0G) # host: rover @@ -13,7 +13,7 @@ Cursor[0 40000 0.000000] PolyArea[200000000.000000] Thermal[0.500000] DRC[600 1000 600 500 1500 700] -Flags("nameonpcb,clearnew,liveroute,hidenames") +Flags("nameonpcb,clearnew,snappin,liveroute,hidenames") Groups("1,c:2,s:3") Styles["Signal,1000,2900,1500,1000:Power,2500,6000,3500,1000:Fat,4000,6000,3500,1000:Skinny,600,2402,1181,600"] @@ -813,15 +813,13 @@ Symbol('~' 12) SymbolLine(15 35 20 35 8) SymbolLine(20 35 25 30 8) ) -Via[33200 31000 2900 2000 0 1500 "" "thermal(1X)"] -Via[2600 2600 2900 2000 0 1500 "" ""] +Via[33900 31000 2900 2000 0 1500 "" "thermal(1X)"] +Via[2500 3300 2900 2000 0 1500 "" ""] Via[33900 16100 2900 2000 0 1500 "" ""] -Via[50100 26400 2900 2000 0 1500 "" ""] +Via[48400 29800 2900 2000 0 1500 "" ""] Via[49600 3200 2900 2000 0 1500 "" "thermal(1S)"] -Via[37000 9200 2900 2000 0 1500 "" "thermal(0+,1S)"] -Via[40500 6700 2900 2000 0 1500 "" ""] -Via[22200 2400 2900 2000 0 1500 "" ""] -Via[39200 36900 2900 2000 0 1500 "" "thermal(1S)"] +Via[22100 5600 2900 2000 0 1500 "" ""] +Via[40500 9300 2900 2000 0 1500 "" ""] Element["" "hole-M2.5" "H1" "unknown" 72500 10000 -2352 -3100 0 100 ""] ( @@ -851,10 +849,10 @@ Element["" "hole-M2.5" "H4" "unknown" 90000 30000 -16900 -21000 0 100 ""] ) -Element["" "0402" "C2" "4.7uF" 33907 10774 3150 -3150 3 100 ""] +Element["" "0402" "C2" "4.7uF" 36200 5300 3150 3150 2 100 ""] ( - Pad[-393 -1574 393 -1574 1968 2000 2568 "1" "1" "square"] - Pad[-393 1574 393 1574 1968 2000 2568 "2" "2" "square"] + Pad[1574 -393 1574 393 1968 2000 2568 "1" "1" "square"] + Pad[-1574 -393 -1574 393 1968 2000 2568 "2" "2" "square"] ) @@ -919,7 +917,7 @@ Element["" "S2B-PH-SM4" "J2" "LiPo" 378 39605 0 0 1 100 ""] ) -Element["" "0402" "R3" "3.3k" 37374 31807 -3150 -3150 0 100 ""] +Element["" "0402" "R3" "3.3k" 39074 31807 -3150 -3150 0 100 ""] ( Pad[-1574 -393 -1574 393 1968 2000 2568 "1" "1" "square"] Pad[1574 -393 1574 393 1968 2000 2568 "2" "2" "square"] @@ -945,7 +943,7 @@ Element["" "DFN10_EP" "U1" "unknown" 43343 20000 13000 -8000 3 100 ""] Pad[0 5020 0 7185 1181 1600 1781 "PG" "8" "square,edge2"] Pad[1969 5020 1969 7185 1181 1600 1781 "THERM" "9" "square,edge2"] Pad[3937 5020 3937 7185 1181 1600 1781 "Vbat" "10" "square,edge2"] - Pad[-1457 0 1457 0 6496 1600 7096 "11" "11" "square"] + Pad[-1457 0 1457 0 6496 1600 7096 "VSSPAD" "11" "square"] ElementLine [7005 -9385 6405 -8785 1000] ElementLine [-6405 -8785 6405 -8785 1000] ElementLine [6405 -8785 6405 8785 1000] @@ -955,57 +953,76 @@ Element["" "DFN10_EP" "U1" "unknown" 43343 20000 13000 -8000 3 100 ""] ) Layer(1 "top") ( - Line[24600 5800 25800 4600 1000 2000 "clearline"] + Line[56800 27000 53600 27000 2500 2000 "clearline"] Line[19886 2400 19500 2014 1000 2000 "clearline"] - Line[4600 2600 5600 1600 1000 2000 "clearline"] + Line[34000 31200 37100 31800 2500 2000 "clearline"] Line[15938 1600 16352 2014 1000 2000 "clearline"] Line[29800 2400 29400 2800 1000 2000 "clearline"] - Line[2600 2600 4600 2600 1000 2000 "clearline"] - Line[37000 9200 34300 9200 1000 2000 "clearline"] + Line[2600 3300 5800 2000 1000 2000 "clearline"] + Line[53600 27000 51400 24800 2500 2000 "clearline"] Line[45312 12815 45312 3388 1000 2000 "clearline"] - Line[2600 2600 3254 2600 1000 2000 "clearline"] + Line[33843 27400 33843 31257 2500 2000 "clearline"] Line[49600 9500 49300 9200 1000 2000 "clearline"] - Line[41374 34926 39400 36900 1000 2000 "clearline"] + Line[39406 17520 41886 20000 1000 2000 "clearline"] Line[43343 27185 43343 35543 1000 2000 "clearline"] Line[49600 13700 49600 9500 1000 2000 "clearline"] - Line[3254 2600 5600 4946 1000 2000 "clearline"] + Line[2600 3300 5600 4946 1000 2000 "clearline"] Line[12096 1600 15938 1600 1000 2000 "clearline"] - Line[22200 2400 19886 2400 1000 2000 "clearline"] + Line[22100 5500 19886 2400 1000 2000 "clearline"] Line[25800 3252 26252 2800 1000 2000 "clearline"] Line[43343 35543 44700 36900 1000 2000 "clearline"] - Line[25800 4600 25800 3252 1000 2000 "clearline"] - Line[14046 4946 14900 5800 1000 2000 "clearline"] - Line[14900 5800 24600 5800 1000 2000 "clearline"] - Line[50100 26400 48065 26400 2500 2000 "clearline"] - Line[12096 4946 14046 4946 1000 2000 "clearline"] - Line[33900 13100 33900 19469 1000 2000 "clearline"] + Line[56800 22800 52100 22800 2500 2000 "clearline"] + Line[39406 27185 39406 28706 1000 2000 "clearline"] + Line[39406 28706 40600 29900 1000 2000 "clearline"] + Line[49600 5752 49300 6052 1000 2000 "clearline"] + Line[40600 29900 40600 31366 1000 2000 "clearline"] + Line[41374 10174 40500 9300 1000 2000 "clearline"] Line[33900 16400 33900 19469 2500 2000 "clearline"] - Line[39406 12815 39406 11606 1000 2000 "clearline"] - Line[39406 11606 37000 9200 1000 2000 "clearline"] - Line[41374 12815 41374 6874 1000 2000 "clearline"] - Line[41374 6874 41300 6800 1000 2000 "clearline"] + Line[41374 12815 41374 10174 1000 2000 "clearline"] + Line[54500 24900 47600 18000 2500 2000 "clearline"] + Line[56800 24900 54500 24900 2500 2000 "clearline"] + Line[40600 31366 40648 31414 1000 2000 "clearline"] Line[43343 12815 43343 4943 1000 2000 "clearline"] Line[43343 4943 40800 2400 1000 2000 "clearline"] Line[40800 2400 29800 2400 1000 2000 "clearline"] Line[45312 32312 49900 36900 1000 2000 "clearline"] Line[45312 27185 45312 32312 1000 2000 "clearline"] - Line[41374 27185 41374 34926 1000 2000 "clearline"] - Line[39406 27185 39406 30956 1000 2000 "clearline"] - Line[39406 30956 38948 31414 1000 2000 "clearline"] - Line[47900 13500 56715 14815 2500 2000 "clearline"] + Line[39406 14980 39406 17520 1000 2000 "clearline"] + Line[41374 25020 41374 20512 1000 2000 "clearline"] + Line[41374 20512 41886 20000 1000 2000 "clearline"] + Line[48000 13500 56800 13500 2500 2000 "clearline"] Line[49600 3200 49600 5752 1000 2000 "clearline"] - Line[49600 5752 49300 6052 1000 2000 "clearline"] - Line[33400 31000 35400 31800 2500 2000 "clearline"] - Line[33843 27400 33843 31257 2500 2000 "clearline"] + Line[47200 27500 47200 28995 1000 2000 "clearline"] + Line[47200 29000 48320 30120 1000 2000 "clearline"] + Line[48700 29800 47600 28700 1000 2000 "clearline"] + Line[47400 28600 47400 27500 1000 2000 "clearline"] + Line[48000 14300 56900 14300 2500 2000 "clearline"] + Line[47900 25800 47900 29200 1000 2000 "clearline"] + Line[56800 24900 51500 24900 2500 2000 "clearline"] + Line[51500 24900 48000 21400 2500 2000 "clearline"] + Line[12096 4946 13946 4946 1000 2000 "clearline"] + Line[13946 4946 19400 10400 1000 2000 "clearline"] + Line[19400 10400 24500 10400 1000 2000 "clearline"] + Line[24500 10400 26200 8700 1000 2000 "clearline"] + Line[26200 8700 26200 2852 1000 2000 "clearline"] + Line[26200 2852 26252 2800 1000 2000 "clearline"] + Line[33900 16100 33900 6419 1000 2000 "clearline"] + Line[33900 6419 34626 5693 1000 2000 "clearline"] + Line[39406 12815 39406 12806 1000 2000 "clearline"] + Line[39406 12806 37800 11200 1000 2000 "clearline"] + Line[37800 11200 37800 5719 1000 2000 "clearline"] + Line[37800 5719 37774 5693 1000 2000 "clearline"] ) Layer(2 "bottom") ( - Line[34169 16552 50100 26400 2500 2000 "clearline"] - Line[36900 2400 41300 6800 1000 2000 "clearline"] - Line[22200 2400 36900 2400 1000 2000 "clearline"] - Line[2600 2600 12500 12400 1000 2000 "clearline"] - Line[12500 12400 54600 12400 1000 2000 "clearline"] Line[55700 13600 56800 14700 1000 2000 "clearline"] + Line[33900 23300 33900 16100 2500 2000 "clearline"] + Line[40400 29800 33900 23300 2500 2000 "clearline"] + Line[2600 3300 12500 12400 1000 2000 "clearline"] + Line[12500 12400 54600 12400 1000 2000 "clearline"] + Line[48400 29800 40400 29800 2500 2000 "clearline"] + Line[40600 9400 25900 9400 1000 2000 "clearline"] + Line[25900 9400 22100 5600 1000 2000 "clearline"] Polygon("clearpoly") ( [1000 39000] [99000 39000] [99000 1000] [1000 1000] @@ -1016,7 +1033,7 @@ Layer(3 "outline") Line[0 0 0 40000 1000 2000 ""] Line[0 40000 100000 40000 1000 2000 ""] Line[100000 40000 100000 0 1000 2000 ""] - Line[100000 0 0 0 1000 2000 "found"] + Line[100000 0 0 0 1000 2000 ""] ) Layer(4 "silk") ( @@ -1043,6 +1060,7 @@ NetList() Connect("R3-1") Connect("U1-5") Connect("U1-7") + Connect("U1-11") ) Net("unnamed_net1" "(unknown)") ( diff --git a/lipocharger.sch b/lipocharger.sch index d779936..844637f 100644 --- a/lipocharger.sch +++ b/lipocharger.sch @@ -1,29 +1,29 @@ v 20100214 2 C 40000 40000 0 0 0 EMBEDDEDtitle-C-bdale.sym [ -T 31100 40800 5 10 0 0 0 0 1 +T 43200 41100 5 10 0 0 0 0 1 graphical=1 -B 40000 40000 22000 17000 15 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 -L 54400 41400 62000 41400 15 0 0 0 -1 -1 +T 54500 40400 15 8 1 0 0 0 1 +FILE: +T 59500 40400 15 8 1 0 0 0 1 +REVISION: +T 57400 40400 15 8 1 0 0 0 1 +PAGE +T 58200 40400 15 8 1 0 0 0 1 +OF +B 54400 40000 7600 2700 15 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 +L 54400 40600 62000 40600 15 0 0 0 -1 -1 +T 54500 40100 15 10 1 0 0 0 1 +Project URL: T 54900 40800 9 10 1 0 0 0 2 Copyright 2010 by Bdale Garbee Licensed under the TAPR Open Hardware License, http://www.tapr.org/OHL -T 54500 40100 15 10 1 0 0 0 1 -Project URL: -L 54400 40600 62000 40600 15 0 0 0 -1 -1 -B 54400 40000 7600 2700 15 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 -T 58200 40400 15 8 1 0 0 0 1 -OF -T 57400 40400 15 8 1 0 0 0 1 -PAGE -T 59500 40400 15 8 1 0 0 0 1 -REVISION: -T 54500 40400 15 8 1 0 0 0 1 -FILE: -T 43200 41100 5 10 0 0 0 0 1 +L 54400 41400 62000 41400 15 0 0 0 -1 -1 +B 40000 40000 22000 17000 15 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 +T 31100 40800 5 10 0 0 0 0 1 graphical=1 ] -C 50000 47300 1 0 0 gnd-1.sym +C 49600 46900 1 0 0 gnd-1.sym C 45500 49200 1 90 0 capacitor-1.sym { T 44800 49400 5 10 0 0 90 0 1 @@ -108,19 +108,19 @@ loadstatus=noload } C 46400 42800 1 0 0 gnd-1.sym N 46500 43100 46500 45500 4 -C 48900 47600 1 0 0 MCP73837.sym +C 48900 47200 1 0 0 MCP73837.sym { -T 49695 50395 5 10 1 1 0 0 1 +T 49695 49995 5 10 1 1 0 0 1 device=MCP73837 -T 49295 50695 5 10 1 1 0 0 1 +T 49295 50295 5 10 1 1 0 0 1 refdes=U1 -T 48895 47595 5 10 0 1 0 0 1 +T 48895 47195 5 10 0 1 0 0 1 footprint=DFN10_EP -T 48900 47600 5 10 0 1 0 0 1 +T 48900 47200 5 10 0 1 0 0 1 loadstatus=smt -T 48900 47600 5 10 0 1 0 0 1 +T 48900 47200 5 10 0 1 0 0 1 vendor=digikey -T 48900 47600 5 10 0 1 0 0 1 +T 48900 47200 5 10 0 1 0 0 1 vendor_part_number=MCP73837T-FCI/MFCT-ND } N 48900 50100 44800 50100 4 @@ -292,3 +292,4 @@ loadstatus=noload } C 51400 48200 1 0 0 gnd-1.sym N 51500 48500 51300 48500 4 +C 50400 46900 1 0 0 gnd-1.sym -- 2.30.2