Version 4
SHEET 1 3740 696
WIRE -304 -1248 -1456 -1248
WIRE -1984 -1152 -2080 -1152
WIRE -1888 -1152 -1984 -1152
WIRE -1792 -1152 -1824 -1152
WIRE -1664 -1152 -1728 -1152
WIRE -1456 -1152 -1456 -1248
WIRE -1456 -1152 -1584 -1152
WIRE -1184 -1152 -1456 -1152
WIRE -1056 -1152 -1184 -1152
WIRE -560 -1152 -1056 -1152
WIRE -1056 -1056 -1056 -1152
WIRE -560 -1056 -560 -1152
WIRE -304 -1056 -304 -1248
WIRE -352 -1040 -448 -1040
WIRE -1456 -896 -1456 -1152
WIRE -1184 -896 -1184 -1152
WIRE -1056 -848 -1056 -976
WIRE -1056 -848 -1120 -848
WIRE -992 -848 -1056 -848
WIRE -832 -848 -912 -848
WIRE -704 -848 -768 -848
WIRE -560 -848 -560 -976
WIRE -560 -848 -640 -848
WIRE -448 -848 -448 -1040
WIRE -448 -848 -560 -848
WIRE -304 -848 -304 -960
WIRE -240 -848 -304 -848
WIRE -560 -704 -560 -848
WIRE -304 -688 -304 -848
WIRE -1984 -656 -1984 -1152
WIRE -1792 -656 -1984 -656
WIRE -1184 -656 -1184 -800
WIRE -1184 -656 -1728 -656
WIRE -992 -656 -1184 -656
WIRE -624 -656 -912 -656
WIRE -1984 -592 -1984 -656
WIRE -1184 -576 -1184 -656
WIRE -1984 -432 -1984 -512
WIRE -1744 -432 -1984 -432
WIRE -1456 -432 -1456 -816
WIRE -1456 -432 -1744 -432
WIRE -1184 -432 -1184 -496
WIRE -1184 -432 -1456 -432
WIRE -560 -432 -560 -608
WIRE -560 -432 -1184 -432
WIRE -304 -432 -304 -608
WIRE -304 -432 -560 -432
WIRE -1744 -400 -1744 -432
FLAG -1744 -400 0
FLAG -240 -848 Output
IOPIN -240 -848 Out
FLAG -2080 -1152 Vin
IOPIN -2080 -1152 In
SYMBOL res -1200 -592 R0
SYMATTR InstName R19
SYMATTR Value 100k
SYMBOL res -896 -864 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 120k
SYMBOL res -896 -672 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 47
SYMBOL res -1072 -1072 R0
SYMATTR InstName R33
SYMATTR Value 47k
SYMBOL res -576 -1072 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL voltage -1984 -608 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 26 95 Left 2
SYMATTR Value PWL(0 0 1ms 16V 100ms 16V 101ms 0V)
SYMATTR InstName Vin
SYMBOL diode -1792 -1136 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMBOL diode -1792 -640 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL res -1568 -1168 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 0.1
SYMBOL diode -1888 -1136 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMBOL voltage -1456 -912 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -483 -3 Left 2
SYMATTR Value PWL(0 0 0.01ms 14.4 1000ms 9 4000ms 15)
SYMATTR InstName Vbat
SYMBOL zener -768 -864 R90
WINDOW 0 -4 32 VBottom 2
WINDOW 3 36 32 VTop 2
SYMATTR InstName D1
SYMATTR Value BZX84C10L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -704 -832 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL pnp -1120 -800 R180
SYMATTR InstName Q1
SYMATTR Value BC557C
SYMBOL npn -624 -704 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL pmos -352 -960 M180
SYMATTR InstName M1
SYMATTR Value 2SJ339_fake
SYMBOL res -320 -704 R0
SYMATTR InstName R2
SYMATTR Value {Rload}
TEXT -1280 -400 Left 2 ;Unterspannungsabschaltung (Undervoltage Lockout - UVLO) - schont Akkus
TEXT -2088 -400 Left 2 !.tran 0 1 0 startup
TEXT -280 -536 Left 2 !.step param Rload list 3 5 8 16 50 100 333
RECTANGLE Normal -416 -368 -1312 -1200 2