采用3986方案的碟机电路图
A3985/86 Demo Board Component List Part Value Description Package RS Part Part Value Description Package RS Part C1A 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R1 33 Chip Resistor SMT 0805 223-0225 C1B 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R2 33 Chip Resistor SMT 0805 223-0225 C2A 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R3 33 Chip Resistor SMT 0805 223-0225 C2B 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R4 33 Chip Resistor SMT 0805 223-0225 C3 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R5 33 Chip Resistor SMT 0805 223-0225 C4 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R6 33 Chip Resistor SMT 0805 223-0225 C5 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R7 33 Chip Resistor SMT 0805 223-0225 C6 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R8 33 Chip Resistor SMT 0805 223-0225 C7 10u Alu, El'ytic, 35V 105C 5 / 2mm 414-9064 R9 0.1 1W Chip Resistor SMT 2512 223-0972 C8 10u Alu, El'ytic, 16V 105C 4 / 1.5mm 414-9008 R10 0.1 1W Chip Resistor SMT 2512 223-0972 C9 Not Fitted Capacitor, ceramic, 50V SMT 0805 R11 0.1 1W Chip Resistor SMT 2512 223-0972 C10 Not Fitted Capacitor, ceramic, 50V SMT 0805 R12 0.1 1W Chip Resistor SMT 2512 223-0972 C11 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R13 2k2 Chip Resistor SMT 0805 223-0477 C13 100u Alu, Low R, El'ytic, 63V, 105C 10 / 5mm 315-0962 VR14 20k Multiturn Cermet Trim Resistor 6mm 187-236 C14 100u Alu, Low R, El'ytic, 63V, 105C 10 / 5mm 315-0962 R15 1k Chip Resistor SMT 0805 223-0427 C15 100n Chip capacitor, ceramic, 50V SMT 0805 464-6688 R16 10k Chip Resistor SMT 0805 223-0562 D1 BZG03C27 Zener Diode, 27V SMA 447-2774 R17 10k Chip Resistor SMT 0805 223-0562 DUT A3985 Dual H/Stepper FET Driver 38TSSOP Socket R18 10k Chip Resistor SMT 0805 223-0562 IC2 MC75M05ABDT Linear 5V regulator D-PAK 444-9386 R19 10k Chip Resistor SMT 0805 223-0562 M1 IRLR024N Power MOSFET D-PAK 244-9429 R20 10k Chip Resistor SMT 0805 223-0562 M2 IRLR024N Power MOSFET D-PAK 244-9429 R21 10k Chip Resistor SMT 0805 223-0562 M3 IRLR024N Power MOSFET D-PAK 244-9429 R22 10k Chip Resistor SMT 0805 223-0562 M4 IRLR024N Power MOSFET D-PAK 244-9429 R23 10k Chip Resistor SMT 0805 223-0562 M5 IRLR024N Power MOSFET D-PAK 244-9429 R24 10k Chip Resistor SMT 0805 223-0562 M6 IRLR024N Power MOSFET D-PAK 244-9429 R25 390 Resistor, 1 watt SMT 2512 224-0351 M7 IRLR024N Power MOSFET D-PAK 244-9429 R26 Wire Link Chip Resistor SMT 0805 M8 IRLR024N Power MOSFET D-PAK 244-9429 R27 Wire Link Chip Resistor SMT 0805 PL1 IDC Connector, 20way, 3M 90deg 121-0731 R28 1k Chip Resistor SMT 0805 223-0427 X1 Pheonix 2way Srew terminal 7.62mm 189-5966 R29 47 Chip Resistor SMT 0805 223-0253 X2 Pheonix 2way Srew terminal 7.62mm 189-5966 R30 10k Chip Resistor SMT 0805 223-0562 X3 Pheonix 2way Srew terminal 7.62mm 189-5966 R31 22k Chip Resistor SMT 0805 223-0607 X4 BNC Socket, PCB, Square Square 10mm 360-4734 S1 DIP Switch, 8-pole DIL-16 342-118 X5 Pheonix 2way Srew terminal 5.08mm 425-8720 S2 DIP Switch, 2-pole DIL-4 342-095 X6 Pheonix 2way Srew terminal 5.08mm 425-8720 S3 Switch, Tactile Push 6mm 378-6410
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