NJM3517

B2

B1

GND

A1

A2

DIR

STEP

B

V

V

L

L

R

INH

HSM

Ø

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

P

P

P

P

A

C

A

B

SS

CC

Ø

B2

B1

GND

A1

A2

DIR

STEP

B

V

V

L

L

R

INH

HSM

Ø

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

P

P

P

P

A

C

A

B

SS

CC

Ø

NJM

3517D2

NJM

3517E2

s PIN DESCRIPTION

DIP

EMP-pack.

Symbol

Description

11

P

B2

Phase output 2, phase B. Open collector output capable of sinking max 500 mA.

22

P

B1

Phase output 1, phase B. Open collector output capable of sinking max 500 mA.

3

3

GND

Ground and negative supply for both V

44

P

A1

Phase output 1, phase A.

55

P

A2

Phase output 2, phase A.

6

6

DIR

Direction input. Determines in which rotational direction steps will be taken.

7

7

STEP

Stepping pulse. One step is generated for each negative edge of the step signal.

8

8

ØB

Zero current half step position indication output for phase B.

9

9

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

RC

Bi-level pulse timing pin. Pulse time is approximately t

13

13

LA

Second level (bi-level) output, phase A.

14

14

LB

Second level (bi-level) output, Phase B.

15

15

V

SS

Second level supply voltage, +10 to +40 V.

16

16

V

CC

Logic supply voltage, nominally +5 V.

Fugure 2.Pin configurations