Version 4
SHEET 1 3112 1524
WIRE 1872 -208 -656 -208
WIRE -2192 -128 -2208 -128
WIRE -1664 -128 -2192 -128
WIRE -1616 -128 -1664 -128
WIRE -1504 -128 -1536 -128
WIRE -656 -128 -656 -208
WIRE -656 -128 -1504 -128
WIRE -496 -128 -656 -128
WIRE -416 -128 -496 -128
WIRE -272 -128 -320 -128
WIRE 1552 -128 -272 -128
WIRE 1600 -128 1552 -128
WIRE 1776 -128 1696 -128
WIRE 1936 -128 1776 -128
WIRE 2864 -128 1936 -128
WIRE 2896 -128 2864 -128
WIRE -272 -96 -272 -128
WIRE 1552 -96 1552 -128
WIRE 1872 -96 1872 -208
WIRE 1936 -96 1936 -128
WIRE 2864 -32 2864 -128
WIRE -2208 -16 -2208 -128
WIRE 1872 0 1872 -32
WIRE 1936 0 1936 -32
WIRE 1936 0 1872 0
WIRE -272 32 -272 -16
WIRE -32 32 -272 32
WIRE 1552 32 1552 -16
WIRE 1552 32 1216 32
WIRE -656 48 -656 -128
WIRE -496 48 -496 -128
WIRE -400 48 -400 -80
WIRE -272 48 -272 32
WIRE 1552 48 1552 32
WIRE 1680 48 1680 -80
WIRE 1776 48 1776 -128
WIRE 1936 48 1936 0
WIRE -704 112 -736 112
WIRE 2016 112 1984 112
WIRE -2208 128 -2208 64
WIRE 2864 128 2864 48
WIRE -32 288 -32 32
WIRE 1216 304 1216 32
WIRE -304 320 -304 304
WIRE -160 320 -304 320
WIRE 1584 320 1584 304
WIRE 1584 320 1472 320
WIRE 448 368 16 368
WIRE 1072 384 896 384
WIRE 1168 384 1136 384
WIRE 1072 400 1040 400
WIRE -544 416 -544 304
WIRE -304 416 -304 384
WIRE -304 416 -544 416
WIRE 1584 416 1584 384
WIRE 1824 416 1824 304
WIRE 1824 416 1584 416
WIRE -544 448 -544 416
WIRE -32 448 -32 384
WIRE 1824 448 1824 416
WIRE -3056 464 -3056 416
WIRE 1216 464 1216 400
WIRE -736 496 -736 112
WIRE -160 496 -160 320
WIRE -160 496 -736 496
WIRE 448 496 448 448
WIRE 896 512 896 464
WIRE 1472 512 1472 320
WIRE 2016 512 2016 112
WIRE 2016 512 1472 512
WIRE -3056 592 -3056 544
WIRE 352 688 256 688
WIRE -528 720 -528 672
WIRE 352 720 352 688
WIRE -1248 752 -1248 704
WIRE 256 816 256 688
WIRE -528 832 -528 800
WIRE -1248 864 -1248 832
WIRE 80 864 80 816
WIRE 176 864 80 864
WIRE -592 880 -688 880
WIRE -1664 912 -1664 -128
WIRE -1312 912 -1664 912
WIRE -272 912 -432 912
WIRE -128 912 -192 912
WIRE 176 912 -128 912
WIRE 1040 912 1040 400
WIRE 1040 912 352 912
WIRE -592 928 -1184 928
WIRE -128 928 -128 912
WIRE -1504 944 -1504 -128
WIRE -1312 944 -1504 944
WIRE -688 976 -688 880
WIRE -128 1024 -128 992
WIRE -1248 1040 -1248 1008
WIRE -528 1040 -528 992
WIRE 256 1152 256 960
WIRE -688 1200 -688 1056
WIRE -1248 1216 -1248 1200
WIRE 256 1296 256 1232
WIRE -1248 1328 -1248 1296
WIRE -1504 1376 -1504 944
WIRE -1312 1376 -1504 1376
WIRE -992 1392 -1184 1392
WIRE -1664 1408 -1664 912
WIRE -1312 1408 -1664 1408
WIRE -1248 1504 -1248 1472
FLAG -544 448 0
FLAG -2192 -128 IN
FLAG 2896 -128 OUT
FLAG -2208 128 0
FLAG -32 448 0
FLAG 448 496 0
FLAG 1824 448 0
FLAG 1216 464 0
FLAG 896 512 0
FLAG -1248 1200 0
FLAG -1248 1040 0
FLAG -1248 1504 0
FLAG -1248 704 0
FLAG -992 1392 i_sense_charge
FLAG -528 672 0
FLAG -528 1040 0
FLAG 352 720 0
FLAG -3056 592 0
FLAG -3056 416 vcc
FLAG -688 1200 0
FLAG 80 816 vcc
FLAG -128 1024 0
FLAG 256 1296 0
FLAG 2864 128 0
SYMBOL cap -320 320 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL voltage -2208 -32 R0
WINDOW 3 48 100 Right 2
WINDOW 123 0 0 Left 0
WINDOW 39 48 128 Right 2
SYMATTR Value 12
SYMATTR SpiceLine Rser=1m
SYMATTR InstName V1
SYMBOL nmos -320 -80 M270
WINDOW 0 107 89 VLeft 2
WINDOW 3 74 87 VLeft 2
SYMATTR InstName M1
SYMATTR Value BSC026N08NS5
SYMATTR Value2 m=20
SYMBOL LTC4373 -464 176 R0
SYMATTR InstName U1
SYMBOL res -288 -112 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL nmos 16 288 M0
SYMATTR InstName M2
SYMATTR Value BSS123
SYMBOL voltage 448 352 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 0.5
SYMBOL cap 1600 320 M0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL nmos 1600 -80 R270
WINDOW 0 107 89 VLeft 2
WINDOW 3 74 87 VLeft 2
SYMATTR InstName M3
SYMATTR Value BSC026N08NS5
SYMATTR Value2 m=20
SYMBOL LTC4373 1744 176 M0
SYMATTR InstName U2
SYMBOL res 1568 -112 M0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL nmos 1168 304 R0
SYMATTR InstName M4
SYMATTR Value BSS123
SYMBOL voltage 896 368 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 3.3
SYMBOL voltage -1248 1312 R180
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 3.3
SYMBOL AutoGenerated\\INA293A2 -1248 1392 R0
SYMATTR InstName U3
SYMBOL AutoGenerated\\INA293A2 -1248 928 R0
SYMATTR InstName U4
SYMBOL voltage -1248 848 R180
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value 3.3
SYMBOL res -1520 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 0.01m
SYMBOL AutoGenerated\\TSV99X -528 912 R0
SYMATTR InstName U5
SYMBOL voltage -528 816 R180
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value 3.3
SYMBOL Digital\\dflop 256 816 R0
WINDOW 3 53 -18 Left 2
SYMATTR InstName A1
SYMATTR Value ref=1.5
SYMATTR Value2 vhigh=3.3 Vlow=0
SYMBOL voltage -3056 448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V8
SYMATTR Value 3.3
SYMBOL voltage -688 960 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V9
SYMATTR Value 0.3
SYMBOL Digital\\and 1104 336 R0
WINDOW 3 -67 -36 Left 2
SYMATTR InstName A3
SYMATTR Value ref=1.5
SYMATTR Value2 vhigh=3.3 Vlow=0
SYMBOL res -176 896 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL cap -144 928 R0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL voltage 256 1136 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V10
SYMATTR Value PULSE(0 3.3 0 100n 100n 5m 495m)
SYMBOL res 2848 -48 R0
SYMATTR InstName R3
SYMATTR Value 10m
SYMBOL schottky 1920 -96 R0
SYMATTR InstName D1
SYMATTR Value RB058L150
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 1856 -96 R0
SYMATTR InstName D2
SYMATTR Value RB058L150
SYMATTR Description Diode
SYMATTR Type diode
TEXT -1000 392 Left 2 !.tran 1 startup
TEXT 368 600 Left 2 ;Enable Charge
TEXT 784 608 Left 2 ;Enable Discharge
TEXT -1040 488 Left 2 !.options cshunt=1e-17