Version 4 SHEET 1 1088 680 WIRE 432 -112 -256 -112 WIRE 768 -112 432 -112 WIRE 992 -112 768 -112 WIRE 768 -64 768 -112 WIRE -256 -48 -256 -112 WIRE 432 0 432 -112 WIRE 432 112 432 0 WIRE -256 128 -256 32 WIRE 240 160 176 160 WIRE 352 160 240 160 WIRE 496 160 448 160 WIRE 768 160 768 0 WIRE 768 160 496 160 WIRE 832 160 768 160 WIRE 848 160 832 160 WIRE 768 208 768 160 WIRE 992 208 992 -112 WIRE 832 224 832 160 WIRE 880 224 832 224 WIRE 880 256 880 224 WIRE 176 272 176 160 WIRE 768 416 768 272 WIRE 880 416 880 336 WIRE 880 416 768 416 WIRE 768 480 768 416 WIRE 992 480 992 288 WIRE 176 496 176 352 FLAG -256 128 0 FLAG 176 496 0 FLAG 992 480 0 FLAG 768 480 0 FLAG 848 160 V_Load IOPIN 848 160 Out FLAG -256 -112 V_In FLAG 176 160 V_BAT DATAFLAG 240 160 "" DATAFLAG 432 -112 "" DATAFLAG 496 160 "" DATAFLAG 432 0 "$-V(V_Load)" SYMBOL voltage 176 256 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName LI-PO SYMATTR Value 3V SYMBOL voltage -256 -64 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 5V SYMBOL res 976 192 R0 SYMATTR InstName R1 SYMATTR Value 100kR SYMBOL cap 752 208 R0 SYMATTR InstName C1 SYMATTR Value 4.7µC SYMBOL schottky 752 -64 R0 SYMATTR InstName D1 SYMATTR Value BAT54 SYMBOL pmos 352 112 M90 SYMATTR InstName M1 SYMATTR Value Si7137DP SYMBOL res 864 240 R0 SYMATTR InstName R2 SYMATTR Value 20R TEXT -208 256 Left 2 !.op