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L9177 датащи(PDF) 46 Page - STMicroelectronics |
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L9177 датащи(HTML) 46 Page - STMicroelectronics |
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46 / 49 page ![]() Application circuit L9177 46/49 DocID17617 Rev 1 6.1 Bill of material Table 35. Bill of material Block Component Name Usage Min Typ Max Unit Supply Capacitor C1VB_MAIN Bulk capacitor 220 μF Diode D1 Reverse polarization protection diode Key Resistor R_Key Current limiting resistor 20 kΩ Rext Resistor R_ext Pull-up resistor 10 1% kΩ Reset Resistor R_reset Pull-up resistor 1 kΩ Vdd Capacitor C_Vdd value Output capacitor (Ceramic or Tantalum) 4.7 60 μF C_Vdd ESR 1.5 Ω Vdd_trk Capacitor C_Vtrk value Output capacitor 2.2 100 μF C_Vtrk ESR 10 100 mΩ Vdd_sby Capacitor C_Vdd_stby value Output capacitor 110 μF C_Vdd_stby ESR 200 mΩ VRS Capacitor C_VRS+_in Filter Capacitor 100 pF VRS Capacitor C_VRS-_in Filter Capacitor 100 pF VRS Capacitor C_VRS+_out Filter Capacitor 470 pF VRS Capacitor C_VRS-_out Filter Capacitor 470 pF VRS Resistor R_VRS+ Current limiting resistor 10 kΩ VRS Resistor R_VRS- Current limiting resistor 10 kΩ VRS Capacitor CF_1 Filter Capacitor 470 pF VRS Capacitor CF_2 Filter Capacitor 100 nF VRS Resistor RF_1 Filter resistor 33 kΩ VRS Resistor RF_2 Filter resistor 33 kΩ VRS Resistor R_VROUT Pull-up resistor 10 kΩ K-Line Resistor RX pull-up Pull-up resistor 2 kΩ Stepper Capacitor OUTA EMI filter capacitor 10 nF Stepper Capacitor OUTB EMI filter capacitor 10 nF Stepper Capacitor OUTC EMI filter capacitor 10 nF Stepper Capacitor OUTD EMI filter capacitor 10 nF |
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