Version 4
SHEET 1 3740 696
WIRE -1792 -1200 -1984 -1200
WIRE -128 -1200 -1728 -1200
WIRE -288 -1152 -1312 -1152
WIRE -192 -1152 -288 -1152
WIRE -288 -1104 -288 -1152
WIRE -1984 -1072 -1984 -1200
WIRE -1984 -1072 -2080 -1072
WIRE -1888 -1072 -1984 -1072
WIRE -1792 -1072 -1824 -1072
WIRE -1664 -1072 -1728 -1072
WIRE -1456 -1072 -1456 -1120
WIRE -1456 -1072 -1584 -1072
WIRE -1408 -1072 -1456 -1072
WIRE -1312 -1072 -1312 -1152
WIRE -1312 -1072 -1344 -1072
WIRE -1296 -1072 -1312 -1072
WIRE -1184 -1072 -1232 -1072
WIRE -560 -1072 -1184 -1072
WIRE -560 -1056 -560 -1072
WIRE -1184 -1040 -1184 -1072
WIRE -192 -1008 -192 -1152
WIRE -560 -960 -560 -976
WIRE -384 -960 -560 -960
WIRE -288 -960 -288 -1024
WIRE -288 -960 -304 -960
WIRE -256 -960 -288 -960
WIRE -560 -944 -560 -960
WIRE -1184 -928 -1184 -960
WIRE -976 -928 -1184 -928
WIRE -800 -928 -896 -928
WIRE -608 -928 -800 -928
WIRE -800 -880 -800 -928
WIRE -1184 -864 -1184 -928
WIRE -1456 -816 -1456 -1072
WIRE -560 -800 -560 -848
WIRE -128 -800 -128 -1200
WIRE -128 -800 -560 -800
WIRE -800 -784 -800 -816
WIRE -1184 -720 -1184 -784
WIRE -1056 -672 -1120 -672
WIRE -992 -672 -1056 -672
WIRE -832 -672 -912 -672
WIRE -720 -672 -832 -672
WIRE -128 -672 -128 -800
WIRE -128 -672 -640 -672
WIRE -80 -672 -128 -672
WIRE -1984 -624 -1984 -1072
WIRE -832 -592 -832 -672
WIRE -672 -592 -832 -592
WIRE -192 -592 -192 -912
WIRE -192 -592 -592 -592
WIRE -1056 -560 -1056 -672
WIRE -128 -560 -128 -672
WIRE 160 -560 160 -624
WIRE -1984 -432 -1984 -544
WIRE -1744 -432 -1984 -432
WIRE -1456 -432 -1456 -736
WIRE -1456 -432 -1744 -432
WIRE -1184 -432 -1184 -624
WIRE -1184 -432 -1456 -432
WIRE -1056 -432 -1056 -480
WIRE -1056 -432 -1184 -432
WIRE -128 -432 -128 -480
WIRE -128 -432 -1056 -432
WIRE -1744 -400 -1744 -432
FLAG -1744 -400 0
FLAG -80 -672 Output
IOPIN -80 -672 Out
FLAG -800 -784 0
FLAG -2080 -1072 Vin
IOPIN -2080 -1072 In
FLAG 160 -480 0
FLAG 160 -624 load
FLAG -1456 -1120 Vbat
IOPIN -1456 -1120 In
SYMBOL res -1200 -1056 R0
SYMATTR InstName R19
SYMATTR Value 330k
SYMBOL res -896 -688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 900k
SYMBOL res -880 -944 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 47
SYMBOL res -1072 -576 R0
SYMATTR InstName R33
SYMATTR Value 47k
SYMBOL npn -1120 -720 M0
SYMATTR InstName Q12
SYMATTR Value BC547C
SYMBOL res -144 -576 R0
SYMATTR InstName R1
SYMATTR Value 3
SYMBOL cap -816 -880 R0
SYMATTR InstName C1
SYMATTR Value 1p
SYMBOL pmos -608 -848 M180
SYMATTR InstName M1
SYMATTR Value FDS6875
SYMBOL voltage -1984 -640 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 26 95 Left 2
SYMATTR Value PULSE(0 15 0.25 50ms 100ns 2 10 1)
SYMATTR InstName Vin
SYMBOL diode -1792 -1056 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMBOL diode -1792 -1184 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMBOL res -1568 -1088 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 0.1
SYMBOL diode -1888 -1056 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMBOL res -1200 -880 R0
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL res -576 -1072 R0
SYMATTR InstName R4
SYMATTR Value 30m
SYMBOL voltage 160 -576 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -325 236 Left 2
SYMATTR Value PWL(0 2 3 2 3.001 2 5 2 5.001 1)
SYMATTR InstName Vhelp
SYMBOL voltage -1456 -832 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vbat
SYMATTR Value PWL(0 0 0.1 14.4 10 11.2)
SYMBOL diode -1408 -1056 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMBOL pnp -256 -912 M180
SYMATTR InstName Q1
SYMATTR Value BC557C
SYMBOL res -288 -976 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res -576 -608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res -624 -688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 190k
SYMBOL diode -1296 -1056 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL res -304 -1120 R0
SYMATTR InstName R8
SYMATTR Value 9k
TEXT -1280 -400 Left 2 ;Unterspannungsabschaltung (Undervoltage Lockout - UVLO) - schont Akkus
TEXT -1776 -360 Left 2 !.tran 0 10 0.01 0.01 startup
TEXT -368 -384 Left 2 !.step param Rload list 3 6 12
RECTANGLE Normal -416 -368 -1312 -1120 2