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STK672-440A-E Datasheet(PDF) 5 Page - Sanyo Semicon Device |
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STK672-440A-E Datasheet(HTML) 5 Page - Sanyo Semicon Device |
5 / 21 page STK672-440A-E No.A1128-5/21 Block Diagram Sample Application Circuit A AB B BB Excitation mode selection Rising edge / falling edge detection Phase advance counter Oscillator Latch PWM control Reference clock generator Power-on reset Current divider ratio switching Pseudo sine wave generator Overheating detection 4 9 MODE1 MODE2 10 11 CLOCK 12 CWB 17 ENABLE S.G 18 FAULT1 16 53 1 P.G1 P.G2 2 6 Overcurrent detection + - + - + - SUB VDD 15 13 MODE3 14 RESETB Phase excitation signal generator 7 8 19 Vref FAULT2 MOI 1 ÷4.9 VSS 100k Ω 2-phase stepping motor MOI S.G FAULT1 FAULT2 CWB ENABLE RESETB CLOCK VDD=5V R01 17 11 10 12 9 13 15 14 7 19 4 5 3 1 A AB B BB P.G2 P.G1 2 6 18 16 8 + + C01 100 μF C02 10 μF VCC=24V P.GND Vref R02 STK672-440A-E |
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