Version 4
SHEET 1 3740 696
WIRE -1344 -1248 -1456 -1248
WIRE -1200 -1248 -1280 -1248
WIRE 32 -1248 -1200 -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 -1312 -1152 -1456 -1152
WIRE -1072 -1152 -1312 -1152
WIRE -848 -1152 -1072 -1152
WIRE -720 -1152 -848 -1152
WIRE -224 -1152 -720 -1152
WIRE -720 -1056 -720 -1152
WIRE -224 -1056 -224 -1152
WIRE 32 -1056 32 -1248
WIRE -1200 -1040 -1200 -1248
WIRE -16 -1040 -112 -1040
WIRE -1456 -896 -1456 -1152
WIRE -1312 -896 -1312 -1152
WIRE -848 -896 -848 -1152
WIRE -1200 -848 -1200 -960
WIRE -1200 -848 -1248 -848
WIRE -1152 -848 -1200 -848
WIRE -1072 -848 -1072 -1152
WIRE -720 -848 -720 -976
WIRE -720 -848 -784 -848
WIRE -704 -848 -720 -848
WIRE -608 -848 -624 -848
WIRE -592 -848 -608 -848
WIRE -464 -848 -512 -848
WIRE -368 -848 -400 -848
WIRE -224 -848 -224 -976
WIRE -224 -848 -304 -848
WIRE -112 -848 -112 -1040
WIRE -112 -848 -224 -848
WIRE 32 -848 32 -960
WIRE 96 -848 32 -848
WIRE -1312 -704 -1312 -800
WIRE -1152 -704 -1312 -704
WIRE -608 -704 -608 -848
WIRE -608 -704 -1072 -704
WIRE -224 -704 -224 -848
WIRE 32 -688 32 -848
WIRE -1984 -656 -1984 -1152
WIRE -1792 -656 -1984 -656
WIRE -848 -656 -848 -800
WIRE -848 -656 -1728 -656
WIRE -656 -656 -848 -656
WIRE -288 -656 -576 -656
WIRE 256 -656 256 -752
WIRE -1984 -592 -1984 -656
WIRE -848 -576 -848 -656
WIRE -1984 -432 -1984 -512
WIRE -1744 -432 -1984 -432
WIRE -1456 -432 -1456 -816
WIRE -1456 -432 -1744 -432
WIRE -848 -432 -848 -496
WIRE -848 -432 -1456 -432
WIRE -224 -432 -224 -608
WIRE -224 -432 -848 -432
WIRE 32 -432 32 -608
WIRE 32 -432 -224 -432
WIRE -1744 -400 -1744 -432
WIRE 256 -400 256 -576
FLAG -1744 -400 0
FLAG 96 -848 Output
IOPIN 96 -848 Out
FLAG -2080 -1152 Vin
IOPIN -2080 -1152 In
FLAG 256 -400 0
FLAG 256 -752 load
SYMBOL res -864 -592 R0
SYMATTR InstName R19
SYMATTR Value 100k
SYMBOL res -608 -864 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 50k
SYMBOL res -560 -672 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 47
SYMBOL res -736 -1072 R0
SYMATTR InstName R33
SYMATTR Value 47k
SYMBOL res -240 -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 2s 0V 2.001s 16V 2.100s 16V 2.101s 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 11 4000ms 14.4 10s 11)
SYMATTR InstName Vbat
SYMBOL zener -400 -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 -368 -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 -784 -800 R180
SYMATTR InstName Q1
SYMATTR Value BC557C
SYMBOL npn -288 -704 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL pmos -16 -960 M180
SYMATTR InstName M1
SYMATTR Value 2SJ339_fake
SYMBOL res 16 -704 R0
SYMATTR InstName R2
SYMATTR Value R = {Rload} * V(load)
SYMBOL schottky -1344 -1232 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMATTR Value MBR1035
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL pnp -1248 -800 R180
SYMATTR InstName Q3
SYMATTR Value BC557C
SYMBOL res -1216 -1056 R0
SYMATTR InstName R4
SYMATTR Value 1.7k
SYMBOL res -1168 -832 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res -1168 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL voltage 256 -672 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vhelp
SYMATTR Value PWL(0 3 10 1)
SYMBOL res -496 -864 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 70k
TEXT -944 -400 Left 2 ;Unterspannungsabschaltung (Undervoltage Lockout - UVLO) - schont Akkus
TEXT -2088 -400 Left 2 !.tran 0 10 0 startup
TEXT -88 -400 Left 2 !.step param Rload list 1 3 5 8 16 50 100 333
TEXT -1320 -400 Left 2 ;Overcurrent Shutdown
RECTANGLE Normal -80 -368 -976 -1200 2
RECTANGLE Normal -1008 -368 -1376 -1296 2