Version 4
SHEET 1 1508 788
WIRE -384 -48 -784 -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 560 -48 352 -48
WIRE 688 -48 560 -48
WIRE 784 -48 688 -48
WIRE 896 -48 784 -48
WIRE 976 -48 896 -48
WIRE 1168 -48 1072 -48
WIRE -784 -32 -784 -48
WIRE 784 -32 784 -48
WIRE 896 -32 896 -48
WIRE 1168 -32 1168 -48
WIRE -384 -16 -384 -48
WIRE 560 -16 560 -48
WIRE 240 32 240 0
WIRE 1056 48 1056 0
WIRE -784 64 -784 48
WIRE 784 64 784 32
WIRE 896 64 896 48
WIRE 1168 64 1168 48
WIRE -384 80 -384 64
WIRE -272 80 -384 80
WIRE 560 80 560 64
WIRE 560 80 496 80
WIRE 560 112 560 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 688 128 688 -48
WIRE 1056 144 1056 128
WIRE -272 192 -272 80
WIRE -192 192 -272 192
WIRE 496 192 496 80
WIRE 496 192 464 192
WIRE 560 208 560 192
WIRE -384 256 -384 208
WIRE -192 256 -384 256
WIRE 688 256 688 208
WIRE 688 256 464 256
WIRE -384 272 -384 256
WIRE -192 320 -272 320
WIRE 544 320 464 320
WIRE 544 336 544 320
WIRE -384 368 -384 352
WIRE -272 400 -272 320
WIRE -112 416 -112 400
WIRE 208 416 208 400
WIRE 368 416 368 400
WIRE 48 432 48 400
WIRE 544 432 544 416
WIRE -272 496 -272 480
WIRE -112 496 -112 480
WIRE 208 496 208 480
WIRE 368 496 368 480
FLAG -384 368 0
FLAG 48 432 0
FLAG 560 208 0
FLAG -112 496 0
FLAG 208 496 0
FLAG 368 496 0
FLAG -272 496 0
FLAG -784 64 0
FLAG 784 64 0
FLAG 896 64 0
FLAG 1168 64 0
FLAG 1056 144 0
FLAG 544 432 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 544 -32 R0
SYMATTR InstName R5
SYMATTR Value 25.1K
SYMBOL res 544 208 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 3.57K
SYMBOL res 672 112 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 -272 384 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 3.1 1 3.1 1.0001 3.1)
SYMBOL voltage -784 -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 768 -32 R0
SYMATTR InstName C4
SYMATTR Value 2000µ
SYMBOL res 880 64 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 10
SYMBOL nmos 976 0 R270
WINDOW 0 88 50 VTop 2
WINDOW 3 55 55 VTop 2
SYMATTR InstName Q2
SYMATTR Value Si4864DY
SYMBOL voltage 1056 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 0 4 0 4.0001 12)
SYMBOL res 224 16 R0
SYMATTR InstName R9
SYMATTR Value 10
SYMBOL res 1152 64 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value .05
SYMBOL voltage 544 320 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 1.0001 0 1.2 0 1.20001 0)
SYMBOL LTC4215 128 256 R0
SYMATTR InstName U1
TEXT 784 544 Left 2 !.tran 16
TEXT 1000 200 Left 2 ;Simulate shorts
TEXT 592 376 Left 2 ;simulate board detection