SLA7031 データシートの表示（PDF） - Sanken Electric co.,ltd.

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SLA7031

2-Phase Stepper Motor Unipolar Driver ICs

Sanken Electric co.,ltd. 

SLA7031M/SLA7032M/SLA7033M

■Internal Block Diagram

18

6

5

7

12

17 16

11 18

Reg.

Chopping noise

Oscillator blanking timer

(5 µs typ)

MOSFET Chopping

gate drive OFF timer

+

circuit (12 µs typ)

–

Synchronous

chopping

circuit

Reg.

Chopping noise

blanking timer Oscillator

(5 µs typ)

+

Chopping MOSFET

OFF timer gate drive

–

(12 µs typ) circuit

Synchronous

chopping

circuit

9

2

4

3 14

15

13

10

1,8,11,18pin

Description of pins

1pin

8pin

11pin

18pin

Excitation input signal

Active H Active L

OUT A

OUT A

OUT A

OUT A

OUT B

OUT B

OUT B

OUT B

■Typical Connection Diagram (Recommended component values)

Active High

Vcc (46Vmax)

+

Excitation signal time chart

2-phase excitation

Vb (5V)

r1

r2

7 12

VsA VsB

2 SYNC A

13 SYNC B

8

1 18 11

OUTA OUTA OUTB OUTB

INA 6

SLA7031M

SLA7032M

SLA7033M

INA 5

INB 17

INB 16

RsA REFA REFB RsB

9

3 14 10

GA GB

4 15

Rs

Rs

INA

INA Active

INB

High

INB

clock 0

1

2

3

INA H

L

L

H

INA

L

H

H

L

INB H

H

L

L

INB

L

L

H

H

r1 : 4kW

r2 : 1kW (VR)

Rs : 1W typ (7031M/7032M)

(1 to 2W) 0.68W typ (7033M)

0

1

H

L

L

H

HH

L

L

Active Low

Vcc (46Vmax)

Excitation signal time chart

2-phase excitation

+

Vb (5V)

r1

r2

clock 0

1

2

3

7 12

8 1 18 11

INA

L

H

H

L

VsA VsB

2 SYNC A

13 SYNC B

OUTA OUTA OUTB OUTB

INA 6

SLA7031M

SLA7032M

SLA7033M

INA 5

INB 17

INA

INA Active

INB

Low

INA

H

L

L

H

INB

L

L

H

H

INB

H

H

L

L

INB 16

INB

RsA REFA REFB RsB

9

3 14 10

GA GB

4 15

r1 : 4kW

r2 : 1kW (VR)

Rs

Rs

Rs : 1W typ (7031M/7032M)

(1 to 2W) 0.68W typ (7033M)

0

1

L

H

H

L

L

L

HH

1-2 phase excitation

clock 0 1 2 3 4 5 6 7 0 1 2 3

INA H H L L L L L H H H L L

INA L L L H H H L L L L L H

INB L H H H L L L L L H H H

INB L L L L L H H H L L L L

1-2 phase excitation

clock 0 1 2 3 4 5 6 7 0 1 2 3

INA L L H H H H H L L L H H

INA H H H L L L H H H H H L

INB H L L L H H H H H L L L

INB H H H H H L L L H H H H

■External Dimensions (ZIP18 with Fin [SLA18Pin])

φ 3.2±0.15

31±0.2

24.4±0.2

16.4±0.2

φ 3.2±0.15×3.8 4.8±0.2

1.7±0.1

Part No.

Lot No.

0.65

+0.2

–0.1

1

+0.2

–0.1

17×P1.68±0.4=28.56±1

31.3±0.2

R-End

2.45±0.2

0.55

+0.2

–0.1

4±0.7

1 2 3 . . . . . . . 18

Forming No. No.871

0.65

+0.2

–0.1

1

+0.2

–0.1

17×P1.68±0.4=28.56±1

2.2±0.6

6±0.6

7.5±0.6

123 . . . . . . . 18

Forming No. No.872

(Unit : mm)

Product Mass : Approx.6g

ICs 113

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