Version 4 SHEET 1 2300 1304 WIRE 368 96 96 96 WIRE 816 96 512 96 WIRE 928 96 880 96 WIRE 1040 96 928 96 WIRE 1072 96 1040 96 WIRE 784 176 512 176 WIRE 368 256 368 176 WIRE 320 272 288 272 WIRE 928 304 928 96 WIRE 320 320 288 320 WIRE 368 368 368 336 WIRE 448 368 368 368 WIRE 608 368 528 368 WIRE 640 368 608 368 WIRE 96 400 96 96 WIRE 368 400 368 368 WIRE 928 400 928 368 WIRE 1040 400 1040 96 WIRE 608 416 608 368 WIRE 0 496 0 464 WIRE 96 512 96 480 WIRE 288 512 288 320 WIRE 288 512 96 512 WIRE 368 512 368 480 WIRE 368 512 288 512 WIRE 608 512 608 480 WIRE 608 512 368 512 WIRE 784 512 784 176 WIRE 784 512 608 512 WIRE 928 512 928 480 WIRE 928 512 784 512 WIRE 1040 512 1040 480 WIRE 1040 512 928 512 WIRE 96 544 96 512 WIRE 0 608 0 576 WIRE 0 608 -32 608 WIRE 64 608 0 608 WIRE 224 608 128 608 WIRE 1136 608 720 608 WIRE 1440 608 1136 608 WIRE 2096 608 1440 608 WIRE 720 640 720 608 WIRE 1136 640 1136 608 WIRE 1648 640 1616 640 WIRE 1616 672 1616 640 WIRE -32 688 -32 608 WIRE 64 688 -32 688 WIRE 224 688 224 608 WIRE 224 688 144 688 WIRE 1856 688 1824 688 WIRE 1888 688 1856 688 WIRE 1648 704 1648 640 WIRE 1856 704 1856 688 WIRE 1888 704 1856 704 WIRE 1984 704 1952 704 WIRE 1856 720 1856 704 WIRE 1888 720 1856 720 WIRE 1856 736 1856 720 WIRE 1888 736 1856 736 WIRE 1440 752 1440 608 WIRE 1568 752 1440 752 WIRE 1888 752 1728 752 WIRE -32 768 -32 688 WIRE 64 768 -32 768 WIRE 224 768 224 688 WIRE 224 768 128 768 WIRE 720 800 720 720 WIRE 752 800 720 800 WIRE 1136 800 1136 720 WIRE 1168 800 1136 800 WIRE 1440 800 1408 800 WIRE 1568 800 1440 800 WIRE 720 832 720 800 WIRE 1136 832 1136 800 WIRE -32 848 -32 768 WIRE 128 848 -32 848 WIRE 224 848 224 768 WIRE 224 848 176 848 WIRE 304 848 224 848 WIRE 464 848 384 848 WIRE 672 848 464 848 WIRE 1088 848 864 848 WIRE 176 880 176 848 WIRE 128 896 128 848 WIRE 672 896 640 896 WIRE 1088 896 1056 896 WIRE 1792 912 1760 912 WIRE 1824 912 1792 912 WIRE 1648 928 1648 848 WIRE 1696 928 1648 928 WIRE 1792 928 1792 912 WIRE 1792 928 1760 928 WIRE 128 944 96 944 WIRE 1792 944 1760 944 WIRE 1792 960 1792 944 WIRE 1792 960 1760 960 WIRE -32 976 -32 848 WIRE 96 976 96 944 WIRE 464 976 464 848 WIRE 864 976 864 848 WIRE 1440 976 1440 800 WIRE 1792 976 1792 960 WIRE 1792 976 1760 976 WIRE 1824 976 1792 976 WIRE 2096 976 2096 608 WIRE -32 1088 -32 1056 WIRE 96 1088 96 1056 WIRE 96 1088 -32 1088 WIRE 176 1088 176 960 WIRE 176 1088 96 1088 WIRE 464 1088 464 1056 WIRE 464 1088 176 1088 WIRE 720 1088 720 912 WIRE 720 1088 464 1088 WIRE 864 1088 864 1056 WIRE 864 1088 720 1088 WIRE 1136 1088 1136 912 WIRE 1136 1088 864 1088 WIRE 1440 1088 1440 1056 WIRE 1440 1088 1136 1088 WIRE 1568 1088 1568 848 WIRE 1568 1088 1440 1088 WIRE 2096 1088 2096 1056 WIRE 2096 1088 1568 1088 WIRE -32 1120 -32 1088 FLAG 640 368 PISNS IOPIN 640 368 Out FLAG 288 272 MDRV IOPIN 288 272 In FLAG 96 544 0 FLAG -32 1120 0 FLAG 640 896 PISNS IOPIN 640 896 In FLAG 1056 896 PISNS IOPIN 1056 896 In FLAG 0 464 VOUT IOPIN 0 464 In FLAG 1072 96 VOUT IOPIN 1072 96 Out FLAG 752 800 PWM IOPIN 752 800 Out FLAG 1168 800 ILIM IOPIN 1168 800 Out FLAG 1408 800 CLK IOPIN 1408 800 Out FLAG 1616 672 0 FLAG 1984 704 MDRV IOPIN 1984 704 Out FLAG 1824 912 PWM IOPIN 1824 912 In FLAG 1824 976 ILIM IOPIN 1824 976 In FLAG 1824 688 CLK IOPIN 1824 688 In SYMBOL sw 368 352 M180 WINDOW 0 37 71 Left 0 WINDOW 3 39 46 Left 0 SYMATTR InstName S1 SYMATTR Value MSW SYMBOL ind2 352 80 R0 WINDOW 3 36 64 Left 0 SYMATTR Value 1m SYMATTR InstName L1 SYMATTR Type ind SYMBOL ind2 528 192 R180 WINDOW 0 59 70 Left 0 WINDOW 3 47 46 Left 0 SYMATTR InstName L2 SYMATTR Value 70µ SYMATTR Type ind SYMBOL res 352 384 R0 WINDOW 0 38 46 Left 0 WINDOW 3 36 69 Left 0 SYMATTR InstName RSNS SYMATTR Value 0R25 SYMBOL res 544 352 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 1K SYMBOL cap 592 416 R0 WINDOW 0 40 25 Left 0 WINDOW 3 41 47 Left 0 SYMATTR InstName C1 SYMATTR Value 100p SYMBOL diode 816 112 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value DID SYMBOL cap 912 304 R0 SYMATTR InstName CFILT SYMATTR Value 2200µ SYMBOL res 912 384 R0 SYMATTR InstName RESR SYMATTR Value 1µ SYMBOL voltage 96 384 R0 WINDOW 0 41 46 Left 0 WINDOW 3 41 70 Left 0 SYMATTR InstName VBUS SYMATTR Value 180V SYMBOL res 1024 384 R0 SYMATTR InstName RLOAD SYMATTR Value 2R SYMBOL e2 176 864 R0 WINDOW 0 45 44 Left 0 WINDOW 3 44 71 Left 0 SYMATTR InstName E1 SYMATTR Value 1E6 SYMBOL voltage 96 960 R0 WINDOW 0 10 11 Left 0 WINDOW 3 -26 58 Left 0 SYMATTR InstName VREF SYMATTR Value 2.5V SYMBOL res 400 832 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value 20K SYMBOL res 448 960 R0 SYMATTR InstName R6 SYMATTR Value 10K SYMBOL sw 720 928 M180 WINDOW 0 39 67 Left 0 WINDOW 3 42 46 Left 0 SYMATTR InstName S2 SYMATTR Value COMP SYMBOL sw 1136 928 M180 WINDOW 0 39 65 Left 0 WINDOW 3 41 45 Left 0 SYMATTR InstName S3 SYMATTR Value COMP SYMBOL voltage 864 960 R0 WINDOW 0 37 45 Left 0 WINDOW 3 39 65 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VLIM SYMATTR Value 1V SYMBOL res 16 592 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R7 SYMATTR Value 18K SYMBOL res -16 1072 R180 WINDOW 0 -36 62 Left 0 WINDOW 3 -46 27 Left 0 SYMATTR InstName R8 SYMATTR Value 4K7 SYMBOL res 704 624 R0 SYMATTR InstName R9 SYMATTR Value 1K SYMBOL res 1120 624 R0 SYMATTR InstName R10 SYMATTR Value 1K SYMBOL Digital\\dflop 1648 704 R0 SYMATTR InstName A1 SYMATTR SpiceLine VHIGH=15 VLOW=0 TRISE=10N TFALL=10N SYMBOL voltage 1440 960 R0 WINDOW 0 36 44 Left 0 WINDOW 3 36 63 Invisible 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VCLK SYMATTR Value PULSE(0 15 0 10n 10n 9u 10u) SYMBOL voltage 2096 960 R0 WINDOW 0 35 41 Left 0 WINDOW 3 35 66 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VDD SYMATTR Value 15V SYMBOL Digital\\or 1728 880 M0 SYMATTR InstName A2 SYMATTR SpiceLine VHIGH=15 VLOW=0 TRISE=10N TFALL=10N SYMBOL cap 128 592 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 400p SYMBOL Digital\\and 1920 656 R0 SYMATTR InstName A3 SYMATTR SpiceLine VHIGH=15 VLOW=0 TRISE=10N TFALL=10N SYMBOL zener 64 784 R270 WINDOW 0 36 32 VTop 0 WINDOW 3 -4 32 VBottom 0 SYMATTR InstName D2 SYMATTR Value ZID SYMBOL res 160 672 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R11 SYMATTR Value 150K TEXT 384 72 Left 0 !K1 L1 L2 1 TEXT 1208 344 Left 0 !.tran 5m uic TEXT 1200 392 Left 0 !.MODEL MSW SW(RON=10m ROFF=1E6 VT=5 VH=-2) TEXT 1200 488 Left 0 !.MODEL COMP SW(RON=10m ROFF=1E6 VT=0 VH=-1m) TEXT 1200 424 Left 0 !.MODEL DID D(RON=10m) TEXT 1200 456 Left 0 !.MODEL ZID D(RON=10m VFWD=2.5V VREV=2.5V)