Version 4.1
SHEET 1 2984 680
WIRE 2384 -752 640 -752
WIRE 2480 -752 2384 -752
WIRE 2480 -688 2480 -752
WIRE 640 -640 640 -752
WIRE 2480 -544 2480 -608
WIRE 640 -496 640 -560
WIRE 752 -496 640 -496
WIRE 784 -496 752 -496
WIRE 800 -496 784 -496
WIRE 960 -496 896 -496
WIRE 1024 -496 960 -496
WIRE 1120 -496 1104 -496
WIRE 1136 -496 1120 -496
WIRE 1328 -496 1200 -496
WIRE 1952 -496 1328 -496
WIRE 2160 -496 2016 -496
WIRE 640 -448 640 -496
WIRE 1328 -448 1328 -496
WIRE 2384 -448 2384 -752
WIRE 1120 -432 1120 -496
WIRE 1120 -432 992 -432
WIRE 992 -400 992 -432
WIRE 784 -384 784 -496
WIRE 816 -384 784 -384
WIRE 896 -384 896 -496
WIRE 896 -384 880 -384
WIRE 2480 -384 2480 -464
WIRE 1328 -352 1328 -384
WIRE 1360 -352 1328 -352
WIRE 1536 -352 1440 -352
WIRE 1808 -304 1808 -352
WIRE 1936 -288 1936 -304
WIRE 2224 -288 2224 -336
WIRE 2320 -288 2320 -320
WIRE 992 -272 992 -320
WIRE 992 -272 960 -272
WIRE 1040 -272 992 -272
WIRE 1136 -272 1104 -272
WIRE 1136 -224 1136 -272
WIRE 384 -208 384 -256
WIRE 1808 -192 1808 -224
WIRE 1936 -192 1936 -224
WIRE 176 -176 176 -192
WIRE 2224 -176 2224 -208
WIRE 2320 -176 2320 -208
WIRE 384 -80 384 -128
WIRE 496 -80 384 -80
WIRE 384 -64 384 -80
WIRE 176 -48 176 -96
WIRE 496 -48 496 -80
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 2384 -48 2384 -384
WIRE 2384 -48 2160 -48
WIRE 2480 -48 2480 -304
WIRE 2480 -48 2384 -48
WIRE 1328 16 1152 16
WIRE 128 32 -64 32
WIRE 1728 32 1728 -48
WIRE 384 48 384 16
WIRE 432 48 384 48
WIRE 496 48 496 16
WIRE 496 48 432 48
WIRE 432 64 432 48
WIRE 176 80 176 48
WIRE 2608 80 2560 80
WIRE 2448 96 2160 96
WIRE 2480 96 2480 80
WIRE 2480 96 2448 96
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 2016 368 1952 368
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 2320 -176 0
FLAG 640 -448 0
FLAG 1136 -224 0
FLAG 1808 -192 0
FLAG 1936 -192 0
FLAG 1808 -352 PCHG
IOPIN 1808 -352 BiDir
FLAG 816 -544 PCHG
IOPIN 816 -544 BiDir
FLAG 1936 -352 DCHG
FLAG 2656 144 0
FLAG 2400 400 0
FLAG 1440 176 0
FLAG 2224 -176 0
FLAG 2320 -320 3V3
FLAG 2016 528 3V3
FLAG 2224 -336 5V
FLAG 1152 16 DCHG
FLAG 1936 128 3V3
FLAG 960 -272 To_MCU_2
IOPIN 960 -272 Out
FLAG 1952 368 To_MCU_3
IOPIN 1952 368 Out
FLAG 1536 -352 5V
FLAG 176 -192 3V3
FLAG 176 80 0
FLAG -64 32 To_MCU_2
IOPIN -64 32 Out
FLAG 960 -496 PFET_bridge
FLAG 384 -256 PFET_bridge
FLAG 432 64 0
DATAFLAG 1728 -48 ""
DATAFLAG 1248 -48 ""
DATAFLAG 992 -272 ""
DATAFLAG 2096 -496 ""
DATAFLAG 1728 128 ""
DATAFLAG 1984 368 ""
DATAFLAG 2272 464 ""
DATAFLAG 1120 -496 ""
DATAFLAG 1264 -496 ""
DATAFLAG 752 -496 ""
DATAFLAG 176 -64 ""
DATAFLAG 384 -80 ""
SYMBOL nmos 896 -544 R90
SYMATTR InstName M1
SYMATTR Value BSP89
SYMBOL diode 1344 -384 R180
WINDOW 0 24 64 Left 2
WINDOW 3 36 36 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 57
SYMBOL Misc\\battery 2320 -304 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 1Meg
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 1120 -512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 25
SYMBOL diode 816 -368 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMBOL voltage 1808 -320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value PULSE(0 5 0 0.1 0.1 1 2 4)
SYMBOL voltage 1936 -320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL diode 2144 -48 R0
SYMATTR InstName D6
SYMATTR Value BAT54
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 500k
SYMBOL diode 2560 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D7
SYMATTR Value EDZV6_8B
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 2224 -304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value 5
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
SYMBOL diode 2016 -512 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMBOL Misc\\jumper 1168 -560 R0
SYMATTR InstName X1
SYMBOL res 2464 -704 R0
SYMATTR InstName R4
SYMATTR Value 1.25
SYMATTR SpiceLine pwr=1000
SYMBOL ind 2464 -560 R0
SYMATTR InstName L1
SYMATTR Value 5m
SYMBOL cap 2368 -448 R0
SYMATTR InstName C1
SYMATTR Value 10m
SYMBOL nmos 128 -48 R0
SYMATTR InstName M2
SYMATTR Value BSP89
SYMBOL res 160 -192 R0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL res 368 -224 R0
SYMATTR InstName R10
SYMATTR Value 2Meg
SYMBOL res 368 -80 R0
SYMATTR InstName R12
SYMATTR Value 150k
SYMBOL zener 512 16 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -108 7 Left 2
SYMATTR InstName D8
SYMATTR Value 3V3Zener1
SYMBOL voltage 2480 -400 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 0
TEXT 528 -240 Left 2 !.tran 10
TEXT 912 -200 Left 2 !.model 3V3Zener D(Ron=0 Roff=100Meg 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 1736 16 Left 4 ;Contactor Weld DET
TEXT 632 -776 Left 5 ;Bat+
TEXT 640 -408 Left 5 ;Bat-
TEXT 2568 -152 Left 5 ;Pack-
TEXT 2560 -464 Left 5 ;Load
TEXT 1128 -568 Left 2 !.model zeeno D(Ron=0 Roff=1Meg Vfwd=0.7 Vrev 3.3)
TEXT 480 56 Left 2 !.model 3V3Zener1 D(Ron=0 Roff=100Meg Vfwd=0.7 Vrev 3.3)
TEXT 296 96 Left 3 ;This ckt will work only in case of load connected ckt. \nIn case of No-Load, it will not work.