NJM3517E2 Nisshinbo

Designated client product This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your region. New Japan Radio Co.,Ltd. www.njr.com NJM3517 STEPPER MOTOR CONTROLLER / DRIVER n GENERAL DESCRIPTION n 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. n FEATURES Internal complete driver and phase logic NJM3517E2(SOP16) Continuous-output current 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 SOP16 JEDEC 300mil n BLOCK DIAGRAM V V CC SS NJM3517 POR RC L Mono A F - F L B STEP DIR Phase P B2 Logic HSM P B1 P INH A2 P O A1 A O B GND Figure 1. Block diagram