Version 4 SHEET 1 916 1812 WIRE -1088 544 -1088 528 WIRE -512 544 -800 544 WIRE -240 544 -512 544 WIRE 48 544 -240 544 WIRE 144 544 48 544 WIRE 208 544 144 544 WIRE 320 544 208 544 WIRE 352 544 336 544 WIRE 384 544 368 544 WIRE -1296 560 -1296 544 WIRE -1232 560 -1232 544 WIRE -1088 576 -1088 560 WIRE -1296 592 -1296 576 WIRE -1232 592 -1232 576 WIRE -1232 624 -1232 608 WIRE -1200 624 -1232 624 WIRE -1056 624 -1120 624 WIRE -928 624 -1056 624 WIRE -800 624 -800 544 WIRE -512 624 -512 544 WIRE -240 624 -240 544 WIRE 48 624 48 544 WIRE -1296 688 -1296 608 WIRE -880 704 -912 704 WIRE -848 704 -880 704 WIRE -592 704 -624 704 WIRE -560 704 -592 704 WIRE -320 704 -336 704 WIRE -288 704 -320 704 WIRE -32 704 -64 704 WIRE 0 704 -32 704 WIRE -1232 736 -1232 624 WIRE -1200 736 -1232 736 WIRE -1056 736 -1120 736 WIRE -960 736 -1056 736 WIRE -1296 832 -1296 688 WIRE -1200 832 -1296 832 WIRE -1056 832 -1120 832 WIRE -960 832 -1056 832 WIRE -800 864 -800 720 WIRE -768 864 -800 864 WIRE -704 864 -768 864 WIRE -560 864 -624 864 WIRE -512 864 -512 720 WIRE -512 864 -560 864 WIRE -240 864 -240 720 WIRE -208 864 -240 864 WIRE -144 864 -208 864 WIRE 0 864 -64 864 WIRE 48 864 48 720 WIRE 48 864 0 864 WIRE 208 912 208 544 WIRE -1232 928 -1232 736 WIRE -1200 928 -1232 928 WIRE -1056 928 -1120 928 WIRE -960 928 -1056 928 WIRE -1296 976 -1296 832 WIRE -800 976 -800 864 WIRE -512 976 -512 864 WIRE -240 976 -240 864 WIRE 48 976 48 864 WIRE -880 1056 -912 1056 WIRE -848 1056 -880 1056 WIRE -592 1056 -640 1056 WIRE -560 1056 -592 1056 WIRE -320 1056 -352 1056 WIRE -288 1056 -320 1056 WIRE -32 1056 -80 1056 WIRE 0 1056 -32 1056 WIRE -1296 1088 -1296 1056 WIRE -1232 1088 -1232 928 WIRE -1232 1088 -1296 1088 WIRE -800 1136 -800 1072 WIRE -512 1136 -512 1072 WIRE -512 1136 -800 1136 WIRE -240 1136 -240 1072 WIRE -240 1136 -512 1136 WIRE 48 1136 48 1072 WIRE 48 1136 -240 1136 WIRE 128 1136 48 1136 WIRE 208 1136 208 992 WIRE 208 1136 128 1136 WIRE 320 1136 208 1136 WIRE 368 1136 352 1136 WIRE 400 1136 384 1136 WIRE -800 1200 -800 1136 WIRE -1296 1280 -1296 1088 FLAG -1296 1280 0 FLAG -560 864 M1-B FLAG -768 864 M1-A FLAG 0 864 M2-B FLAG -208 864 M2-A FLAG -1056 624 PA3 FLAG -1056 736 PA2 FLAG -1056 832 PA1 FLAG -592 1056 PA1 FLAG -592 704 PA0 FLAG -880 1056 PA0 FLAG -32 1056 PA3 FLAG -32 704 PA2 FLAG -320 1056 PA2 FLAG -1056 928 PA0 FLAG -880 704 PA1 FLAG -320 704 PA3 FLAG 144 544 highrail FLAG 128 1136 lowrail FLAG -800 1200 0 FLAG -1296 688 Vdd SYMBOL RES -608 848 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName Motor1 SYMATTR Value 5 SYMBOL res -1104 912 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName PA0-Z SYMATTR Value 50 SYMBOL VOLTAGE -1296 960 R0 WINDOW 3 5 3 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 0 -45 0 Left 0 SYMATTR Value 3.3V SYMATTR InstName Vdd SYMBOL res -1104 608 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName PA3-Z SYMATTR Value 50 SYMBOL Misc\\battery 208 896 R0 WINDOW 3 38 66 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 8 96 Left 0 WINDOW 0 33 38 Left 0 SYMATTR Value 2.4V SYMATTR SpiceLine Rser=0.1 SYMATTR InstName NiMH SYMBOL nmos -848 976 R0 SYMATTR InstName M3 SYMATTR Value AO6408 SYMBOL nmos -560 976 R0 SYMATTR InstName M4 SYMATTR Value AO6408 SYMBOL res -1104 816 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName PA1-Z SYMATTR Value 110 SYMBOL res -1104 720 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName PA2-Z SYMATTR Value 50 SYMBOL RES -48 848 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName Motor2 SYMATTR Value 5 SYMBOL nmos -288 976 R0 SYMATTR InstName M7 SYMATTR Value AO6408 SYMBOL nmos 0 976 R0 WINDOW 0 56 19 Left 0 WINDOW 3 147 48 Right 0 SYMATTR InstName M8 SYMATTR Value AO6408 SYMBOL nmos -848 624 R0 SYMATTR InstName M1 SYMATTR Value AO6408 SYMBOL nmos -560 624 R0 SYMATTR InstName M2 SYMATTR Value AO6408 SYMBOL nmos -288 624 R0 SYMATTR InstName M5 SYMATTR Value AO6408 SYMBOL nmos 0 624 R0 SYMATTR InstName M6 SYMATTR Value AO6408 TEXT -1216 1104 Left 0 ;simulation TEXT -1280 1128 Left 0 ;microcontroller \nor other IC TEXT -1240 1264 Left 0 !.tran 5m TEXT -1248 496 Left 0 ;more \noutputs TEXT -624 1208 Left 0 ;The Marcbarker / Giftiger "Organic" H-Bridge Motor Driver. 9-August-2009\n \n ...another great Minimalist Design from the United Kingdom! TEXT -1272 592 Left 0 ;L\n \n \n \nL\n \n \n \nH\n \n \n \nL TEXT 440 568 Right 0 ;More H-bridges TEXT 232 696 Left 0 ;Current\nLimiter LINE Normal -1040 1504 -1040 1504 LINE Normal -1088 896 -1088 592 LINE Normal -1312 1264 -1088 1152 LINE Normal -1264 1248 -1264 1248 LINE Normal -1088 1152 -1088 896 LINE Normal -1088 1152 -1088 1152 LINE Normal -1088 1152 -1088 1152 RECTANGLE Normal 224 752 192 672