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New Japan Radio

NJM3517E2 Datasheet Preview

NJM3517E2 Datasheet

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




New Japan Radio

NJM3517E2 Datasheet Preview

NJM3517E2 Datasheet

STEPPER MOTOR CONTROLLER/DRIVER

No Preview Available !

s PIN CONFIGURATIONS
NJM3517
PB2 1
16 VCC
PB1 2
15 VSS
GND 3
PA1 4
PA2 5
14 LB
NJM 13 LA
3517D2
12 RC
DIR 6
11 INH
STEP 7
10 HSM
ØB 8
9 ØA
PB2 1
PB1 2
GND 3
PA1 4
PA2 5
DIR 6
STEP 7
ØB 8
NJM
3517E2
16 VCC
15 VSS
14 LB
13 LA
12 RC
11 INH
10 HSM
9 ØA
Fugure 2.Pin configurations
s PIN DESCRIPTION
DIP EMP-pack. Symbol Description
11
22
33
44
55
66
P
B2
PB1
GND
PA1
P
A2
DIR
Phase output 2, phase B. Open collector output capable of sinking max 500 mA.
Phase output 1, phase B. Open collector output capable of sinking max 500 mA.
Ground and negative supply for both VCC and VSS.
Phase output 1, phase A.
Phase output 2, phase A.
Direction input. Determines in which rotational direction steps will be taken.
77
STEP Stepping pulse. One step is generated for each negative edge of the step signal.
88
ØB Zero current half step position indication output for phase B.
99
ØA Zero current half step position indication output for phase A.
10 10
HSM Half-step mode. Determines whether the motor will be operated in half or full-step
mot. When pulled low, one step pulse will correspond to a half step of the motor.
11 11
INH A high level on the inhibit input turns all phase output off.
12 12
13 13
RC
Bi-level pulse timing pin. Pulse time is approximately ton = 0.55 • RT • CT
LA
Second level (bi-level) output, phase A.
14 14
LB
Second level (bi-level) output, Phase B.
15 15
16 16
VSS
Second level supply voltage, +10 to +40 V.
VCC Logic supply voltage, nominally +5 V.


Part Number NJM3517E2
Description STEPPER MOTOR CONTROLLER/DRIVER
Maker New Japan Radio
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