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| NJM3517 Datasheet, PDF (1/12 Pages) New Japan Radio – STEPPER MOTOR CONTROLLER / DRIVER | |||
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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
NJM3517D2
NJM3517E2
⢠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 DIP16 / EMP16
s BLOCK DIAGRAM
NJM3517
RC
Mono
F-F
VCC
POR
STEP
DIR
HSM
INH
OA
OB
Phase PA
Logic
PB
VSS
LA
LB
PB2
PB1
PA2
PA1
GND
Figure 1. Block diagram
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