Version 4 SHEET 1 1508 840 WIRE -384 -32 -784 -32 WIRE -96 -32 -384 -32 WIRE 16 -32 -96 -32 WIRE 32 -32 16 -32 WIRE 128 -32 112 -32 WIRE 160 -32 128 -32 WIRE 352 -32 256 -32 WIRE 576 -32 352 -32 WIRE 688 -32 576 -32 WIRE 784 -32 688 -32 WIRE 896 -32 784 -32 WIRE 976 -32 896 -32 WIRE 1168 -32 1072 -32 WIRE -784 -16 -784 -32 WIRE -384 -16 -384 -32 WIRE 784 -16 784 -32 WIRE 896 -16 896 -32 WIRE 1168 -16 1168 -32 WIRE 576 16 576 -32 WIRE 240 32 240 16 WIRE 1056 64 1056 16 WIRE -784 80 -784 64 WIRE -384 80 -384 64 WIRE -272 80 -384 80 WIRE 688 80 688 -32 WIRE 784 80 784 48 WIRE 896 80 896 64 WIRE 1168 80 1168 64 WIRE 576 112 576 96 WIRE 576 112 512 112 WIRE -384 128 -384 80 WIRE -96 128 -96 -32 WIRE 16 128 16 -32 WIRE 128 128 128 -32 WIRE 240 128 240 112 WIRE 352 128 352 -32 WIRE 576 128 576 112 WIRE 1056 160 1056 144 WIRE -272 192 -272 80 WIRE -192 192 -272 192 WIRE 512 192 512 112 WIRE 512 192 464 192 WIRE 576 224 576 208 WIRE -384 256 -384 208 WIRE -192 256 -384 256 WIRE 688 256 688 160 WIRE 688 256 464 256 WIRE -384 272 -384 256 WIRE -192 320 -256 320 WIRE 544 320 464 320 WIRE 544 336 544 320 WIRE -384 368 -384 352 WIRE -256 400 -256 320 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 -256 496 -256 480 WIRE -112 496 -112 480 WIRE 208 496 208 480 WIRE 368 496 368 480 FLAG -384 368 0 FLAG 48 432 0 FLAG 576 224 0 FLAG -112 496 0 FLAG 208 496 0 FLAG 368 496 0 FLAG -256 496 0 FLAG -784 80 0 FLAG 784 80 0 FLAG 896 80 0 FLAG 1168 80 0 FLAG 1056 160 0 FLAG 544 432 0 SYMBOL nmos 160 16 R270 WINDOW 0 82 51 VTop 2 WINDOW 3 51 49 VTop 2 SYMATTR InstName Q1 SYMATTR Value Si4864DY SYMBOL res 16 -16 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 560 0 R0 SYMATTR InstName R5 SYMATTR Value 25.1K SYMBOL res 560 224 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 3.57K SYMBOL res 672 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 -256 384 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 3.1 SYMBOL voltage -784 -32 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 -16 R0 SYMATTR InstName C4 SYMATTR Value 2000µ SYMBOL res 880 80 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R8 SYMATTR Value 10 SYMBOL nmos 976 16 R270 WINDOW 0 88 50 VTop 2 WINDOW 3 55 55 VTop 2 SYMATTR InstName Q2 SYMATTR Value Si4864DY SYMBOL voltage 1056 48 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 80 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 +100u 0) SYMBOL PowerProducts\\LTC4215-1 128 256 R0 SYMATTR InstName U1 TEXT 1104 472 Left 2 !.tran 12 TEXT 1000 216 Left 2 ;Simulate shorts TEXT 592 376 Left 2 ;simulate board detection