Version 4
SHEET 1 3740 696
WIRE -1792 -1200 -1984 -1200
WIRE -272 -1200 -1728 -1200
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 -1584 -1072
WIRE -1184 -1072 -1456 -1072
WIRE -560 -1072 -1184 -1072
WIRE -1184 -1040 -1184 -1072
WIRE -560 -944 -560 -1072
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 -1456 -816 -1456 -1072
WIRE -560 -800 -560 -848
WIRE -272 -800 -272 -1200
WIRE -272 -800 -560 -800
WIRE -800 -784 -800 -816
WIRE -1184 -720 -1184 -928
WIRE -1056 -672 -1120 -672
WIRE -992 -672 -1056 -672
WIRE -784 -672 -912 -672
WIRE -656 -672 -720 -672
WIRE -272 -672 -272 -800
WIRE -272 -672 -592 -672
WIRE -224 -672 -272 -672
WIRE -1984 -624 -1984 -1072
WIRE -1056 -560 -1056 -672
WIRE -272 -560 -272 -672
WIRE -1984 -432 -1984 -544
WIRE -1744 -432 -1984 -432
WIRE -1456 -432 -1456 -752
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 -272 -432 -272 -480
WIRE -272 -432 -1056 -432
WIRE -1744 -400 -1744 -432
FLAG -1744 -400 0
FLAG -224 -672 Output
IOPIN -224 -672 Out
FLAG -800 -784 0
FLAG -2080 -1072 Vin
IOPIN -2080 -1072 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 120k
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 -288 -576 R0
SYMATTR InstName R1
SYMATTR Value {Rload}
SYMBOL cap -816 -880 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL pmos -608 -848 M180
SYMATTR InstName M1
SYMATTR Value FQB11P06
SYMBOL zener -784 -656 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BZX84C10L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL diode -592 -688 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
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 100ms 2 4 3)
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 cap -1472 -816 R0
SYMATTR InstName C2
SYMATTR Value 0.1
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
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 2 4 8 15 30 100 333
TEXT -1544 -784 Left 2 ;BAT
RECTANGLE Normal -416 -368 -1312 -1120 2