Version 4 SHEET 1 4920 4324 WIRE -848 -784 -976 -784 WIRE -576 -784 -848 -784 WIRE -400 -784 -576 -784 WIRE -208 -784 -400 -784 WIRE -208 -736 -208 -784 WIRE -848 -720 -848 -784 WIRE -576 -688 -576 -784 WIRE -400 -672 -400 -784 WIRE -208 -640 -208 -672 WIRE -848 -608 -848 -656 WIRE -576 -576 -576 -608 WIRE -576 -576 -752 -576 WIRE -752 -544 -752 -576 WIRE -576 -528 -576 -576 WIRE -400 -528 -400 -608 WIRE -400 -528 -576 -528 WIRE -208 -528 -208 -560 WIRE -208 -528 -400 -528 WIRE -576 -480 -576 -528 WIRE 512 -432 32 -432 WIRE 560 -432 512 -432 WIRE -752 -416 -752 -480 WIRE 512 -400 512 -432 WIRE -368 -384 -464 -384 WIRE -576 -336 -576 -400 WIRE -464 -320 -464 -384 WIRE -464 -320 -528 -320 WIRE -368 -304 -368 -384 WIRE -976 -272 -976 -784 WIRE -464 -272 -528 -272 WIRE 512 -272 512 -320 WIRE 576 -272 512 -272 WIRE 512 -224 512 -272 WIRE 592 -224 512 -224 WIRE -464 -192 -464 -272 WIRE -368 -192 -368 -224 WIRE -368 -192 -464 -192 WIRE 592 -192 592 -224 WIRE -752 -160 -752 -336 WIRE -576 -160 -576 -256 WIRE -576 -160 -752 -160 WIRE -464 -144 -464 -192 WIRE 512 -112 512 -224 WIRE 592 -64 592 -112 WIRE -576 -48 -576 -160 WIRE 32 -48 32 -432 WIRE 32 -48 -576 -48 WIRE 176 -32 128 -32 WIRE 368 -32 256 -32 WIRE 432 -32 368 -32 WIRE 464 -32 432 -32 WIRE 368 32 368 -32 WIRE 512 48 512 -16 WIRE 592 48 592 0 WIRE 592 48 512 48 WIRE -576 96 -576 -48 WIRE 128 128 128 -32 WIRE 432 128 432 -32 WIRE -976 368 -976 -192 WIRE -864 368 -976 368 WIRE -576 368 -576 160 WIRE -576 368 -864 368 WIRE 128 368 128 208 WIRE 128 368 -576 368 WIRE 368 368 368 96 WIRE 368 368 128 368 WIRE 432 368 432 208 WIRE 432 368 368 368 WIRE 512 368 512 48 WIRE 512 368 432 368 WIRE -864 384 -864 368 WIRE -576 384 -576 368 FLAG -864 384 0 FLAG -464 -144 0 FLAG -848 -608 0 FLAG 560 -432 CAP FLAG 576 -272 CAP1 SYMBOL Misc\\battery -976 -288 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 44 Left 2 SYMATTR SpiceLine Rser=0.022 SYMATTR InstName V1 SYMATTR Value 7.4 SYMBOL current -576 -688 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 5 SYMBOL schottky -384 -608 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -86 115 Left 2 SYMATTR InstName D1 SYMATTR Value RBR15BGE30A SYMATTR Description Diode SYMATTR Type diode SYMBOL sw -576 -240 R180 SYMATTR InstName S1 SYMBOL res -592 -496 R0 SYMATTR InstName R9 SYMATTR Value 1m SYMBOL cap -768 -544 R0 SYMATTR InstName C4 SYMATTR Value 10n SYMATTR SpiceLine Rser=0.03 SYMBOL res -768 -432 R0 SYMATTR InstName R10 SYMATTR Value 100 SYMBOL cap -224 -736 R0 SYMATTR InstName C5 SYMATTR Value 10n SYMATTR SpiceLine Rser=0.03 SYMBOL res -224 -656 R0 SYMATTR InstName R11 SYMATTR Value 100 SYMBOL cap -864 -720 R0 SYMATTR InstName C6 SYMATTR Value 100n SYMATTR SpiceLine Rser=0.03 SYMBOL cap -592 96 R0 SYMATTR InstName C7 SYMATTR Value 25 SYMATTR SpiceLine Rser=0.022 SYMBOL nmos 464 -112 R0 WINDOW 3 -112 -38 Left 2 SYMATTR Value AONR62818 SYMATTR InstName M1 SYMBOL res 416 112 R0 SYMATTR InstName R4 SYMATTR Value 10k SYMBOL res 496 -416 R0 SYMATTR InstName R8 SYMATTR Value 0.25 SYMBOL res 272 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 1k SYMBOL cap 352 32 R0 SYMATTR InstName C8 SYMATTR Value 100p SYMATTR SpiceLine Rser=0.03 SYMBOL res 576 -208 R0 SYMATTR InstName R23 SYMATTR Value 100 SYMBOL cap 576 -64 R0 SYMATTR InstName C11 SYMATTR Value 1n SYMATTR SpiceLine Rser=0.03 SYMBOL voltage -368 -320 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 44 Left 2 SYMATTR SpiceLine Rser=0.1 SYMATTR InstName V2 SYMATTR Value PULSE(-1 +1 0 1u 1u 1 2) SYMBOL voltage 128 112 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 44 Left 2 SYMATTR SpiceLine Rser=0.1 SYMATTR InstName V3 SYMATTR Value PULSE(10 0 0 1u 1u 1.75 2) TEXT -400 -432 Left 2 !.MODEL SW SW(RON=1m) TEXT -1064 -960 Left 4 ;This would be the\nBuck charger TEXT -680 440 Left 2 !.tran 0 600 0 startup TEXT -712 216 Left 5 ;Supercapacitor TEXT 832 -408 Left 5 ;Would be \nlaser diodes TEXT -1112 -480 Left 5 ;Battery\n2S Li Ion TEXT -912 -1104 Left 7 ;Laser Diode Pulsing from Supercap LINE Normal -752 -848 -848 -880 2 LINE Normal -704 -656 -752 -848 2 LINE Normal -624 -384 -704 -656 2 LINE Normal -624 -464 -624 -384 2 LINE Normal -688 -432 -624 -464 2 LINE Normal -624 -384 -688 -432 2 LINE Normal 592 -384 800 -384 2 LINE Normal 656 -416 592 -384 2 LINE Normal 672 -336 656 -416 2 LINE Normal 592 -384 672 -336 2