Version 4 SHEET 1 3112 1524 WIRE 160 -2032 -1088 -2032 WIRE 1952 -2032 704 -2032 WIRE -2192 -1840 -2208 -1840 WIRE -1664 -1840 -2192 -1840 WIRE -1616 -1840 -1664 -1840 WIRE -1504 -1840 -1536 -1840 WIRE -1088 -1840 -1088 -2032 WIRE -1088 -1840 -1504 -1840 WIRE -976 -1840 -1088 -1840 WIRE -672 -1840 -976 -1840 WIRE -496 -1840 -672 -1840 WIRE -352 -1840 -400 -1840 WIRE 1216 -1840 -352 -1840 WIRE 1264 -1840 1216 -1840 WIRE 1536 -1840 1360 -1840 WIRE 1840 -1840 1536 -1840 WIRE 1952 -1840 1952 -2032 WIRE 1952 -1840 1840 -1840 WIRE 2752 -1840 1952 -1840 WIRE 2864 -1840 2752 -1840 WIRE 2896 -1840 2864 -1840 WIRE -1088 -1792 -1088 -1840 WIRE -976 -1792 -976 -1840 WIRE 1840 -1792 1840 -1840 WIRE 1952 -1792 1952 -1840 WIRE 2752 -1744 2752 -1840 WIRE 2864 -1744 2864 -1840 WIRE -2208 -1728 -2208 -1840 WIRE -672 -1680 -672 -1840 WIRE 1536 -1680 1536 -1840 WIRE -976 -1664 -976 -1712 WIRE -720 -1664 -976 -1664 WIRE 1840 -1664 1840 -1712 WIRE 1840 -1664 1584 -1664 WIRE -976 -1632 -976 -1664 WIRE 1840 -1632 1840 -1664 WIRE -1088 -1552 -1088 -1712 WIRE -1024 -1552 -1088 -1552 WIRE -672 -1552 -672 -1584 WIRE -672 -1552 -848 -1552 WIRE -480 -1552 -672 -1552 WIRE 1536 -1552 1536 -1584 WIRE 1536 -1552 1344 -1552 WIRE 1712 -1552 1536 -1552 WIRE 1952 -1552 1952 -1712 WIRE 1952 -1552 1888 -1552 WIRE -1088 -1504 -1088 -1552 WIRE -848 -1504 -848 -1552 WIRE 1712 -1504 1712 -1552 WIRE 1952 -1504 1952 -1552 WIRE -480 -1424 -480 -1552 WIRE -416 -1424 -416 -1792 WIRE -352 -1424 -352 -1840 WIRE -288 -1424 -288 -1536 WIRE 1152 -1424 1152 -1536 WIRE 1216 -1424 1216 -1840 WIRE 1280 -1424 1280 -1792 WIRE 1344 -1424 1344 -1552 WIRE -2208 -1408 -2208 -1648 WIRE 2752 -1408 2752 -1680 WIRE 2864 -1408 2864 -1664 WIRE -1088 -1392 -1088 -1424 WIRE -976 -1392 -976 -1536 WIRE -848 -1392 -848 -1424 WIRE 0 -1392 -64 -1392 WIRE 928 -1392 864 -1392 WIRE 1712 -1392 1712 -1424 WIRE 1840 -1392 1840 -1536 WIRE 1952 -1392 1952 -1424 WIRE 0 -1360 0 -1392 WIRE 160 -1360 160 -2032 WIRE 704 -1360 704 -2032 WIRE 864 -1360 864 -1392 WIRE -64 -1312 -64 -1392 WIRE -64 -1312 -80 -1312 WIRE 928 -1312 928 -1392 WIRE 944 -1312 928 -1312 WIRE 0 -1248 0 -1296 WIRE 0 -1248 -80 -1248 WIRE 160 -1248 160 -1280 WIRE 160 -1248 0 -1248 WIRE 704 -1248 704 -1280 WIRE 864 -1248 864 -1296 WIRE 864 -1248 704 -1248 WIRE 944 -1248 864 -1248 WIRE 160 -1184 160 -1248 WIRE 160 -1184 -80 -1184 WIRE 704 -1184 704 -1248 WIRE 944 -1184 704 -1184 WIRE -576 -1136 -896 -1136 WIRE 1760 -1136 1440 -1136 WIRE -896 -832 -896 -1136 WIRE 160 -832 160 -1184 WIRE 704 -832 704 -1184 WIRE 1760 -832 1760 -1136 WIRE -896 -704 -896 -752 WIRE -320 -704 -320 -1024 WIRE 160 -704 160 -768 WIRE 704 -704 704 -768 WIRE 1184 -704 1184 -1024 WIRE 1760 -704 1760 -752 WIRE -1664 32 -1664 -1840 WIRE 1216 32 -1664 32 WIRE 1216 144 1216 32 WIRE 1216 304 1216 224 WIRE 1072 384 896 384 WIRE 1168 384 1136 384 WIRE 1072 400 1040 400 WIRE -3056 464 -3056 416 WIRE 1216 464 1216 400 WIRE 896 512 896 464 WIRE -3056 592 -3056 544 WIRE 352 688 256 688 WIRE -528 720 -528 672 WIRE 352 720 352 688 WIRE -1248 752 -1248 704 WIRE 256 816 256 688 WIRE -528 832 -528 800 WIRE -1248 864 -1248 832 WIRE 80 864 80 816 WIRE 176 864 80 864 WIRE -592 880 -688 880 WIRE -1664 912 -1664 32 WIRE -1312 912 -1664 912 WIRE -272 912 -432 912 WIRE -128 912 -192 912 WIRE 176 912 -128 912 WIRE 1040 912 1040 400 WIRE 1040 912 352 912 WIRE -592 928 -1184 928 WIRE -128 928 -128 912 WIRE -1504 944 -1504 -1840 WIRE -1312 944 -1504 944 WIRE -688 976 -688 880 WIRE -128 1024 -128 992 WIRE -1248 1040 -1248 1008 WIRE -528 1040 -528 992 WIRE 256 1152 256 960 WIRE -688 1200 -688 1056 WIRE -1248 1216 -1248 1200 WIRE 256 1296 256 1232 WIRE -1248 1328 -1248 1296 WIRE -1504 1376 -1504 944 WIRE -1312 1376 -1504 1376 WIRE -992 1392 -1184 1392 WIRE -1664 1408 -1664 912 WIRE -1312 1408 -1664 1408 WIRE -1248 1504 -1248 1472 FLAG -2192 -1840 IN FLAG 2896 -1840 OUT FLAG -2208 -1408 0 FLAG 1216 464 0 FLAG 896 512 0 FLAG -1248 1200 0 FLAG -1248 1040 0 FLAG -1248 1504 0 FLAG -1248 704 0 FLAG -992 1392 i_sense_charge FLAG -528 672 0 FLAG -528 1040 0 FLAG 352 720 0 FLAG -3056 592 0 FLAG -3056 416 vcc FLAG -688 1200 0 FLAG 80 816 vcc FLAG -128 1024 0 FLAG 256 1296 0 FLAG 2864 -1408 0 FLAG -320 -704 0 FLAG -896 -704 0 FLAG 2752 -1408 0 FLAG -288 -1536 0 FLAG 160 -704 0 FLAG -848 -1392 0 FLAG -976 -1392 0 FLAG -1088 -1392 0 FLAG 1184 -704 0 FLAG 1760 -704 0 FLAG 1152 -1536 0 FLAG 704 -704 0 FLAG 1712 -1392 0 FLAG 1840 -1392 0 FLAG 1952 -1392 0 SYMBOL voltage -2208 -1744 R0 WINDOW 3 48 100 Right 2 WINDOW 123 0 0 Left 0 WINDOW 39 48 128 Right 2 SYMATTR Value 12 SYMATTR SpiceLine Rser=1m SYMATTR InstName V1 SYMBOL nmos -496 -1792 R270 WINDOW 0 107 89 VLeft 2 WINDOW 3 74 87 VLeft 2 SYMATTR InstName M1 SYMATTR Value BSC026N08NS5 SYMATTR Value2 m=20 SYMBOL nmos 1168 304 R0 SYMATTR InstName M4 SYMATTR Value BSS123 SYMBOL voltage 896 368 M0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 3.3 SYMBOL voltage -1248 1312 R180 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V5 SYMATTR Value 3.3 SYMBOL AutoGenerated\\INA293A2 -1248 1392 R0 SYMATTR InstName U3 SYMBOL AutoGenerated\\INA293A2 -1248 928 R0 SYMATTR InstName U4 SYMBOL voltage -1248 848 R180 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V6 SYMATTR Value 3.3 SYMBOL res -1520 -1856 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 0.01m SYMBOL AutoGenerated\\TSV99X -528 912 R0 SYMATTR InstName U5 SYMBOL voltage -528 816 R180 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V7 SYMATTR Value 3.3 SYMBOL Digital\\dflop 256 816 R0 WINDOW 3 53 -18 Left 2 SYMATTR Value ref=1.5 SYMATTR InstName A1 SYMATTR Value2 vhigh=3.3 Vlow=0 SYMBOL voltage -3056 448 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V8 SYMATTR Value 3.3 SYMBOL voltage -688 960 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V9 SYMATTR Value 0.3 SYMBOL Digital\\and 1104 336 R0 WINDOW 3 -67 -36 Left 2 SYMATTR Value ref=1.5 SYMATTR InstName A3 SYMATTR Value2 vhigh=3.3 Vlow=0 SYMBOL res -176 896 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 100 SYMBOL cap -144 928 R0 SYMATTR InstName C4 SYMATTR Value 100p SYMBOL voltage 256 1136 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V10 SYMATTR Value PULSE(0 3.3 0 100n 100n 5m 495m) SYMBOL res 2848 -1760 R0 SYMATTR InstName R3 SYMATTR Value 20m SYMBOL AutoGenerated\\LM74800-Q1_TRANS -272 -1248 M0 SYMATTR InstName U1 SYMBOL res 1200 128 R0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL voltage -896 -848 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value 3.3 SYMBOL cap 2736 -1744 R0 SYMATTR InstName C3 SYMATTR Value 10000µ SYMBOL cap 16 -1360 M0 WINDOW 3 -74 -28 Left 2 SYMATTR InstName C5 SYMATTR Value 2200n SYMBOL res 176 -1376 M0 SYMATTR InstName R11 SYMATTR Value 0.1 SYMBOL zener 144 -768 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D3 SYMATTR Value PTZ15B SYMATTR Description Diode SYMATTR Type diode SYMBOL pmos -720 -1584 M180 WINDOW 0 -79 43 Left 2 WINDOW 3 -82 66 Left 2 SYMATTR InstName M6 SYMATTR Value BSS84 SYMBOL res -992 -1808 R0 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL res -864 -1520 R0 SYMATTR InstName R12 SYMATTR Value 100k SYMBOL nmos -1024 -1632 R0 SYMATTR InstName M7 SYMATTR Value BSS123 SYMBOL res -1104 -1808 R0 SYMATTR InstName R13 SYMATTR Value 100k SYMBOL res -1104 -1520 R0 SYMATTR InstName R14 SYMATTR Value 1 SYMBOL nmos 1360 -1792 M270 WINDOW 0 107 89 VLeft 2 WINDOW 3 74 87 VLeft 2 SYMATTR InstName M2 SYMATTR Value BSC026N08NS5 SYMATTR Value2 m=20 SYMBOL AutoGenerated\\LM74800-Q1_TRANS 1136 -1248 R0 SYMATTR InstName U2 SYMBOL voltage 1760 -848 M0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 3.3 SYMBOL cap 848 -1360 R0 WINDOW 3 -74 -28 Left 2 SYMATTR InstName C1 SYMATTR Value 2200n SYMBOL res 688 -1376 R0 SYMATTR InstName R4 SYMATTR Value 0.1 SYMBOL zener 720 -768 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value PTZ15B SYMATTR Description Diode SYMATTR Type diode SYMBOL pmos 1584 -1584 R180 WINDOW 0 -79 43 Left 2 WINDOW 3 -82 66 Left 2 SYMATTR InstName M3 SYMATTR Value BSS84 SYMBOL res 1856 -1808 M0 SYMATTR InstName R7 SYMATTR Value 100k SYMBOL res 1728 -1520 M0 SYMATTR InstName R8 SYMATTR Value 100k SYMBOL nmos 1888 -1632 M0 SYMATTR InstName M5 SYMATTR Value BSS123 SYMBOL res 1968 -1808 M0 SYMATTR InstName R9 SYMATTR Value 100k SYMBOL res 1968 -1520 M0 SYMATTR InstName R10 SYMATTR Value 1 TEXT -1000 392 Left 2 !.tran 1 startup TEXT 784 608 Left 2 ;Enable Discharge TEXT -1040 488 Left 2 !;.options cshunt=1e-17