Version 4.1
SHEET 1 2676 680
WIRE 2480 -752 640 -752
WIRE 640 -640 640 -752
WIRE 640 -496 640 -560
WIRE 752 -496 640 -496
WIRE 784 -496 752 -496
WIRE 800 -496 784 -496
WIRE 992 -496 976 -496
WIRE 1040 -496 992 -496
WIRE 2032 -496 1104 -496
WIRE 2160 -496 2096 -496
WIRE 640 -448 640 -496
WIRE 1104 -448 1104 -496
WIRE 1328 -448 1104 -448
WIRE 2480 -448 2480 -752
WIRE 992 -400 992 -496
WIRE 784 -384 784 -496
WIRE 816 -384 784 -384
WIRE 896 -384 896 -496
WIRE 896 -384 880 -384
WIRE 1328 -352 1328 -384
WIRE 1360 -352 1328 -352
WIRE 1536 -352 1440 -352
WIRE 240 -304 240 -336
WIRE 96 -288 96 -336
WIRE 992 -272 992 -320
WIRE 1040 -272 992 -272
WIRE 1136 -272 1104 -272
WIRE 1136 -224 1136 -272
WIRE 240 -192 240 -224
WIRE 96 -176 96 -208
WIRE 752 -48 752 -496
WIRE 1328 -48 752 -48
WIRE 1552 -48 1520 -48
WIRE 1728 -48 1552 -48
WIRE 2160 -48 2160 -496
WIRE 2160 -48 1728 -48
WIRE 2480 -48 2480 -368
WIRE 2480 -48 2160 -48
WIRE 208 0 208 -64
WIRE 1328 16 1152 16
WIRE 1728 32 1728 -48
WIRE 2608 80 2560 80
WIRE 2448 96 2160 96
WIRE 2480 96 2480 80
WIRE 2480 96 2448 96
WIRE 80 112 80 80
WIRE 208 112 208 80
WIRE 2608 112 2608 80
WIRE 2656 112 2608 112
WIRE 1728 128 1728 96
WIRE 1760 128 1728 128
WIRE 1936 128 1840 128
WIRE 2656 144 2656 112
WIRE 1440 176 1440 128
WIRE 2448 176 2448 96
WIRE 2496 176 2448 176
WIRE 2608 176 2608 112
WIRE 2608 176 2560 176
WIRE 2144 368 2096 368
WIRE 2400 368 2240 368
WIRE 2400 400 2400 368
WIRE 2016 432 2016 368
WIRE 2224 464 2224 416
WIRE 2448 464 2448 176
WIRE 2448 464 2224 464
WIRE 2016 528 2016 512
WIRE 2016 544 2016 528
FLAG 240 -192 0
FLAG 640 -448 0
FLAG 1136 -224 0
FLAG 80 112 0
FLAG 208 112 0
FLAG 80 -48 PCHG
IOPIN 80 -48 BiDir
FLAG 816 -544 PCHG
IOPIN 816 -544 BiDir
FLAG 208 -64 DCHG
FLAG 2656 144 0
FLAG 2400 400 0
FLAG 1440 176 0
FLAG 96 -176 0
FLAG 240 -336 3V3
FLAG 1536 -352 3V3
FLAG 2016 528 3V3
FLAG 96 -336 5V
FLAG 1152 16 DCHG
FLAG 1936 128 3V3
DATAFLAG 1616 -752 ""
DATAFLAG 2480 -112 ""
DATAFLAG 2016 400 ""
DATAFLAG 1280 -496 ""
DATAFLAG 2256 464 ""
DATAFLAG 1728 -48 ""
DATAFLAG 1248 -48 ""
DATAFLAG 1872 -496 ""
DATAFLAG 1008 -272 ""
DATAFLAG 1328 -352 ""
DATAFLAG 1728 128 ""
SYMBOL nmos 896 -544 R90
SYMATTR InstName M1
SYMATTR Value BSP89
SYMBOL diode 1344 -384 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MMSD4148
SYMBOL res 1456 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\battery 640 -656 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 53
SYMBOL Misc\\battery 240 -320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL res 976 -416 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL zener 1104 -288 R90
WINDOW 0 -4 32 VBottom 2
WINDOW 3 36 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 3V3Zener
SYMBOL res 992 -512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 50
SYMBOL Misc\\jumper 1072 -560 R0
SYMATTR InstName X1
SYMBOL diode 816 -368 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMBOL res 2464 -464 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL voltage 80 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 208 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 3
SYMBOL diode 2144 -48 R0
SYMATTR InstName D6
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 2144 0 R0
SYMATTR InstName R5
SYMATTR Value 10Meg
SYMBOL res 2576 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10Meg
SYMBOL diode 2560 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D7
SYMATTR Value EDZV6_8B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos 2144 416 R270
SYMATTR InstName M4
SYMBOL res 2112 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 2000 416 R0
SYMATTR InstName R8
SYMATTR Value 1Meg
SYMBOL Misc\\battery 96 -304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value 5
SYMBOL diode 2096 -512 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMBOL Switches\\MAX20336 1440 0 R0
SYMATTR InstName U1
SYMBOL diode 1744 96 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value MMSD4148
SYMBOL res 1856 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 10k
TEXT 528 -240 Left 2 !.tran 10
TEXT 912 -200 Left 2 !.model 3V3Zener D(Ron=0 Roff=1Meg Vfwd=0.7 Vrev 3.3)
TEXT 2064 144 Left 5 ;LOAD DETECT
TEXT 1368 -424 Left 4 ;PCHG FET DET
TEXT 712 -160 Left 4 ;THERMAL FUSE DET
TEXT 1768 56 Left 4 ;Contactor DET