NJM3517
STEPPER MOTOR CONTROLLER / DRIVER
s
GENERAL DESCRIPTION
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
鈥?Internal complete driver and phase logic
鈥?Continuous-output current
2 x 350mA
NJM3517D2
NJM3517E2
s
PACKAGE OUTLINE
鈥?Half- and full-step mode generation
鈥?LS-TTL-compatible inputs
鈥?Bi-level drive mode for high step rates
鈥?Voltage-doubling drive possibilities
鈥?Half-step position-indication output
鈥?Minimal RFI
鈥?/div>
Packages
DIP16 / EMP16
s
BLOCK DIAGRAM
V
CC
V
SS
NJM3517
POR
RC
Mono
F-F
L
A
L
B
STEP
DIR
HSM
INH
O
A
O
B
Phase
Logic
P
A
P
B2
P
B
P
B1
P
A2
P
A1
GND
Figure 1. Block diagram
next