Version 4.1
SHEET 1 2288 1400
WIRE 1840 0 0 0
WIRE 0 112 0 0
WIRE 1312 224 1312 160
WIRE 1456 224 1456 160
WIRE 0 256 0 192
WIRE 112 256 0 256
WIRE 144 256 112 256
WIRE 160 256 144 256
WIRE 352 256 336 256
WIRE 400 256 352 256
WIRE 1024 256 464 256
WIRE 0 304 0 256
WIRE 464 304 464 256
WIRE 688 304 464 304
WIRE 1840 304 1840 0
WIRE 1184 336 1184 304
WIRE 1312 336 1312 304
WIRE 1456 336 1456 304
WIRE 352 352 352 256
WIRE 144 368 144 256
WIRE 176 368 144 368
WIRE 256 368 256 256
WIRE 256 368 240 368
WIRE 688 400 688 368
WIRE 720 400 688 400
WIRE 896 400 800 400
WIRE 896 432 896 400
WIRE 352 480 352 432
WIRE 400 480 352 480
WIRE 496 480 464 480
WIRE 496 528 496 480
WIRE 896 544 896 512
WIRE 1200 608 1168 608
WIRE 1312 608 1264 608
WIRE 112 704 112 256
WIRE 416 704 112 704
WIRE 448 704 416 704
WIRE 544 704 528 704
WIRE 576 704 544 704
WIRE 1024 704 1024 256
WIRE 1024 704 576 704
WIRE 1168 704 1168 608
WIRE 1168 704 1024 704
WIRE 1200 704 1168 704
WIRE 1312 704 1312 608
WIRE 1312 704 1296 704
WIRE 1520 704 1312 704
WIRE 1840 704 1840 384
WIRE 1840 704 1520 704
WIRE 416 800 416 704
WIRE 464 800 416 800
WIRE 576 800 576 704
WIRE 576 800 528 800
WIRE 1968 832 1920 832
WIRE 1808 848 1520 848
WIRE 1840 848 1840 832
WIRE 1840 848 1808 848
WIRE 1968 864 1968 832
WIRE 2016 864 1968 864
WIRE 2016 896 2016 864
WIRE 1808 928 1808 848
WIRE 1856 928 1808 928
WIRE 1968 928 1968 864
WIRE 1968 928 1920 928
WIRE 1504 1120 1456 1120
WIRE 1760 1120 1600 1120
WIRE 1760 1152 1760 1120
WIRE 1376 1184 1376 1120
WIRE 1584 1216 1584 1168
WIRE 1808 1216 1808 928
WIRE 1808 1216 1584 1216
WIRE 1376 1296 1376 1264
FLAG 896 544 0
FLAG 0 304 0
FLAG 496 528 0
FLAG 1184 336 0
FLAG 1312 336 0
FLAG 1456 336 0
FLAG 1184 176 PCHG
IOPIN 1184 176 BiDir
FLAG 176 208 PCHG
IOPIN 176 208 BiDir
FLAG 1312 160 DCHG
FLAG 464 656 DCHG
FLAG 1456 160 CHG
FLAG 1280 752 CHG
FLAG 2016 896 0
FLAG 1376 1376 0
FLAG 1760 1152 0
DATAFLAG 976 0 ""
DATAFLAG 1424 704 ""
DATAFLAG 304 704 ""
DATAFLAG 1840 640 ""
DATAFLAG 1376 1152 ""
DATAFLAG 640 256 ""
SYMBOL nmos 256 208 R90
SYMATTR InstName M1
SYMATTR Value BSP89
SYMBOL diode 704 368 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MMSD4148
SYMBOL res 816 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Misc\\battery 0 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 53
SYMBOL Misc\\battery 896 416 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL res 336 336 R0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL zener 464 464 R90
WINDOW 0 -4 32 VBottom 2
WINDOW 3 36 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 3V3Zener
SYMBOL res 352 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL Misc\\jumper 432 192 R0
SYMATTR InstName X1
SYMBOL nmos 544 656 R90
SYMATTR InstName M2
SYMATTR Value BSP89
SYMBOL nmos 1200 752 R270
SYMATTR InstName M3
SYMATTR Value BSP89
SYMBOL diode 176 384 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMBOL diode 464 816 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMBOL diode 1264 592 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D6
SYMBOL res 1824 288 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage 1184 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 1312 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL voltage 1456 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL diode 1504 704 R0
SYMATTR InstName D7
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1504 752 R0
SYMATTR InstName R5
SYMATTR Value 10Meg
SYMBOL res 1936 816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10Meg
SYMBOL diode 1920 912 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D8
SYMATTR Value EDZV6_8B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos 1504 1168 R270
SYMATTR InstName M4
SYMBOL res 1472 1104 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 1360 1168 R0
SYMATTR InstName R8
SYMATTR Value 1Meg
SYMBOL Misc\\battery 1376 1280 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value 3.3
TEXT -32 568 Left 2 !.tran 10
TEXT 272 552 Left 2 !.model 3V3Zener D(Ron=0 Roff=1Meg Vfwd=0.7 Vrev 3.3)
TEXT 1264 944 Left 5 ;LOAD DETECT
TEXT 728 328 Left 4 ;PCHG FET DET
TEXT 72 592 Left 4 ;THERMAL FUSE DET