Version 4
SHEET 1 2188 2436
WIRE 1472 1088 1392 1088
WIRE 1616 1088 1552 1088
WIRE 1680 1088 1616 1088
WIRE 1680 1104 1680 1088
WIRE 1392 1200 1392 1088
WIRE 1472 1200 1392 1200
WIRE 1616 1200 1616 1088
WIRE 1616 1200 1552 1200
WIRE 1680 1216 1680 1184
WIRE 1216 1264 1104 1264
WIRE 1504 1264 1216 1264
WIRE 1712 1264 1504 1264
WIRE 1216 1312 1216 1264
WIRE 1408 1328 1392 1328
WIRE 1504 1328 1504 1264
WIRE 1504 1328 1488 1328
WIRE 1520 1328 1504 1328
WIRE 1632 1328 1600 1328
WIRE 1104 1360 1104 1264
WIRE 1472 1424 1312 1424
WIRE 1728 1424 1552 1424
WIRE 1744 1424 1728 1424
WIRE 1840 1424 1824 1424
WIRE 1888 1424 1840 1424
WIRE 1888 1440 1888 1424
WIRE 1104 1472 1104 1424
WIRE 1216 1472 1216 1392
WIRE 1216 1472 1104 1472
WIRE 1392 1520 1392 1328
WIRE 1472 1520 1392 1520
WIRE 1632 1520 1632 1328
WIRE 1632 1520 1536 1520
WIRE 1888 1536 1888 1520
WIRE 1216 1552 1216 1472
WIRE 1392 1552 1392 1520
WIRE 1632 1552 1632 1520
WIRE 1312 1600 1312 1424
WIRE 1328 1600 1312 1600
WIRE 1728 1600 1728 1424
WIRE 1728 1600 1696 1600
WIRE 1216 1664 1216 1632
WIRE 1392 1664 1392 1648
WIRE 1392 1664 1216 1664
WIRE 1504 1664 1392 1664
WIRE 1632 1664 1632 1648
WIRE 1632 1664 1504 1664
WIRE 1504 1680 1504 1664
WIRE 832 1696 720 1696
WIRE 1040 1696 832 1696
WIRE 1104 1696 1104 1472
WIRE 1264 1696 1104 1696
WIRE 720 1712 720 1696
WIRE 1040 1728 1040 1696
WIRE 1264 1728 1264 1696
WIRE 720 1808 720 1792
WIRE 928 1808 896 1808
WIRE 1440 1808 1376 1808
WIRE 1504 1808 1504 1760
WIRE 1504 1808 1440 1808
WIRE 1568 1808 1504 1808
WIRE 1680 1808 1632 1808
WIRE 1440 1824 1440 1808
WIRE 1680 1824 1680 1808
WIRE 928 1904 896 1904
WIRE 1440 1904 1440 1888
WIRE 1440 1904 1376 1904
WIRE 1840 1904 1840 1424
WIRE 1840 1904 1440 1904
WIRE 896 2000 896 1904
WIRE 928 2000 896 2000
WIRE 1712 2000 1712 1264
WIRE 1712 2000 1376 2000
WIRE 928 2096 896 2096
WIRE 1392 2096 1376 2096
WIRE 1488 2096 1456 2096
WIRE 832 2192 832 1696
WIRE 928 2192 832 2192
WIRE 1424 2192 1376 2192
WIRE 928 2288 896 2288
WIRE 1424 2288 1376 2288
WIRE 1040 2384 1040 2368
WIRE 1264 2384 1264 2368
FLAG 1888 1536 0
FLAG 1040 2384 0
FLAG 1488 2096 0
FLAG 720 1808 0
FLAG 1680 1824 0
FLAG 1264 2384 0
FLAG 896 1808 0
FLAG 1680 1216 0
FLAG 1424 2192 SCL
FLAG 1424 2288 SDA
FLAG 896 2288 0
SYMBOL NPN 1328 1552 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL npn 1696 1552 M0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL ind2 1392 1344 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 20µ
SYMBOL ind2 1504 1344 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 20µ
SYMBOL cap 1536 1504 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .068µ
SYMBOL ind2 1568 1440 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 1µ
SYMBOL VOLTAGE 1888 1424 R0
SYMATTR InstName V1
SYMATTR Value 28
SYMBOL ind2 1456 1184 M90
WINDOW 0 4 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L4
SYMATTR Value 50m
SYMBOL RES 1568 1072 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 70K
SYMBOL ind 1488 1664 R0
SYMATTR InstName L5
SYMATTR Value 100µ
SYMBOL schottky 1424 1824 R0
WINDOW 0 30 7 Left 2
WINDOW 3 27 63 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL res 1200 1296 R0
SYMATTR InstName R2
SYMATTR Value 220K
SYMBOL res 1200 1536 R0
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL cap 1088 1360 R0
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL schottky 1632 1792 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 1392 2112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 1µ
SYMBOL VOLTAGE 720 1696 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 1840 1408 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 500
SYMBOL res 1664 1088 R0
SYMATTR InstName R6
SYMATTR Value 1G
SYMBOL POWERPRODUCTS\\LT1786F 1152 2048 R0
SYMATTR InstName U1
TEXT 1792 1976 Left 2 !.tran 7m
TEXT 1184 1240 Left 2 !K1 L1 L2 L3 L4 1
TEXT 1888 1424 Bottom 2 ;BAT
TEXT 1616 2136 Left 2 !.model NP NPN
TEXT 1616 2216 Left 2 !.include SMBus.vector