Version 4
SHEET 1 1652 920
WIRE -384 -48 -800 -48
WIRE -96 -48 -384 -48
WIRE 16 -48 -96 -48
WIRE 32 -48 16 -48
WIRE 128 -48 112 -48
WIRE 160 -48 128 -48
WIRE 352 -48 256 -48
WIRE 592 -48 352 -48
WIRE 736 -48 592 -48
WIRE 832 -48 736 -48
WIRE 944 -48 832 -48
WIRE 1024 -48 944 -48
WIRE 1216 -48 1120 -48
WIRE -800 -32 -800 -48
WIRE 832 -32 832 -48
WIRE 944 -32 944 -48
WIRE 1216 -32 1216 -48
WIRE -384 -16 -384 -48
WIRE 592 -16 592 -48
WIRE 240 32 240 0
WIRE 1104 48 1104 0
WIRE -800 64 -800 48
WIRE 832 64 832 32
WIRE 944 64 944 48
WIRE 1216 64 1216 48
WIRE -384 80 -384 64
WIRE -272 80 -384 80
WIRE 592 80 592 64
WIRE 592 80 512 80
WIRE 736 80 736 -48
WIRE 592 112 592 80
WIRE -384 128 -384 80
WIRE -96 128 -96 -48
WIRE 16 128 16 -48
WIRE 128 128 128 -48
WIRE 240 128 240 112
WIRE 352 128 352 -48
WIRE 1104 144 1104 128
WIRE -272 192 -272 80
WIRE -192 192 -272 192
WIRE 512 192 512 80
WIRE 512 192 464 192
WIRE 592 208 592 192
WIRE -384 256 -384 208
WIRE -192 256 -384 256
WIRE 736 256 736 160
WIRE 736 256 464 256
WIRE -384 272 -384 256
WIRE -192 320 -272 320
WIRE 528 320 464 320
WIRE -272 336 -272 320
WIRE 528 336 528 320
WIRE -384 368 -384 352
WIRE -112 416 -112 400
WIRE 208 416 208 400
WIRE 368 416 368 400
WIRE -272 432 -272 416
WIRE 48 432 48 400
WIRE 528 432 528 416
WIRE -112 496 -112 480
WIRE 208 496 208 480
WIRE 368 496 368 480
FLAG -384 368 0
FLAG 48 432 0
FLAG 592 208 0
FLAG -112 496 0
FLAG 208 496 0
FLAG 368 496 0
FLAG -272 432 0
FLAG -800 64 0
FLAG 832 64 0
FLAG 944 64 0
FLAG 1216 64 0
FLAG 1104 144 0
FLAG 528 432 0
SYMBOL nmos 160 0 R270
WINDOW 0 82 51 VTop 2
WINDOW 3 51 49 VTop 2
SYMATTR InstName Q1
SYMATTR Value Si4864DY
SYMBOL res 16 -32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 5m
SYMBOL res -400 -32 R0
SYMATTR InstName R2
SYMATTR Value 34K
SYMBOL res -400 224 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 1.74K
SYMBOL res -400 256 R0
SYMATTR InstName R4
SYMATTR Value 2.67K
SYMBOL res 576 -32 R0
SYMATTR InstName R5
SYMATTR Value 25.1K
SYMBOL res 576 208 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 3.57K
SYMBOL res 720 64 R0
SYMATTR InstName R7
SYMATTR Value 24K
SYMBOL cap -128 416 R0
SYMATTR InstName C1
SYMATTR Value .068µ
SYMBOL cap 192 416 R0
SYMATTR InstName C2
SYMATTR Value .068µ
SYMBOL cap 352 416 R0
SYMATTR InstName C3
SYMATTR Value 4µ
SYMBOL voltage -272 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.1
SYMBOL voltage -800 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 10u 0 100u 12 6 12)
SYMBOL cap 816 -32 R0
SYMATTR InstName C4
SYMATTR Value 2000µ
SYMBOL res 928 64 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 10
SYMBOL nmos 1024 0 R270
WINDOW 0 88 50 VTop 2
WINDOW 3 55 55 VTop 2
SYMATTR InstName Q2
SYMATTR Value Si4864DY
SYMBOL voltage 1104 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 0 4 0 +100u 12 +200m 12 +100n 0)
SYMBOL res 224 16 R0
SYMATTR InstName R9
SYMATTR Value 10
SYMBOL res 1200 64 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value .05
SYMBOL voltage 528 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PWL(0 3.1 1 3.1 +100u 0)
SYMBOL PowerProducts\\LTC4215-3 128 256 R0
SYMATTR InstName U1
TEXT 1104 472 Left 2 !.tran 12
TEXT 1048 200 Left 2 ;Simulate shorts
TEXT 576 376 Left 2 ;simulate board detection