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NJM3517D2-#ZZZD
NJM3517 STEPPER MOTOR CONTROLLER / DRIVER s GENERAL DESCRIPTION s PACKAGE OUTLINE NJM3517 is a stepper motor controller/driver, which requires minimum of external components and drive currents up to 500mA. The NJM3517 is suited for applications requiring least-possible RFI. Operating in a bi-level drive mode can increase motor performance; high voltage pulse is applied to the motor winding at the beginning of a step, in order to give a rapid rise of current. s FEATURES • Internal complete driver and phase logic • Continuous-output current NJM3517D2(DIP16) NJM3517E2(SOP16) 2 x 350mA • Half- and full-step mode generation • LS-TTL-compatible inputs • Bi-level drive mode for high step rates • Voltage-doubling drive possibilities • Half-step position-indication output • Minimal RFI • Packages DIP16 / SOP16 JEDEC 300mil s BLOCK DIAGRAM VCC VSS NJM3517 POR RC Mono F-F LA LB STEP DIR Pha PB2 HSM PB1 INH PA2 OA PA1 OB GND Figure 1. Block diagram
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