Sanken Electric Co SLA7024M Datasheet

2-Phase/1-2 Phase Excitation

SLA7027MU/SLA7024M/SLA7026M

2-Phase Stepper Motor Unipolar Driver ICs

■Absolute Maximum Ratings

Parameter Symbol

Motor supply voltage VCC 46 V
FET Drain-Source voltage VDSS 100 V
Control supply voltage VS 46 V
TTL input voltage VIN 7V
Reference voltage VREF 2V
Output current IO 1 1.5 3 A

Power dissipation
Channel temperature Tch +150 °C

Storage temperature Tstg −40 to +150 °C

PD1 4.5 (Without Heatsink) W
PD2 35 (TC=25°C) W

SLA7027MU SLA7024M SLA7026M

Ratings

(Ta=25°C)

Units

■Electrical Characteristics

Ratings

Parameter Symbol SLA7027MU SLA7024M SLA7026M Units

min typ max min typ max min typ max

Control supply current
Control supply voltage VS 10 24 44 10 24 44 10 24 44 V
FET Drain-Source voltage

FET ON voltage

FET drain leakage current

FET diode forward voltage

TTL input current

DC characteristics

TTL input voltage
(Active High) VIL 0.8 0.8 0.8

TTL input voltage
(Active Low) VIL 0.8 0.8 0.8

Switching time

AC characteristics

IS 10 15 10 15 10 15

Condition

VDSS 100 100 100

Condition

VDS 0.85 0.6 0.85

Condition

IDSS 444

Condition

VSD 1.2 1.1 2.3

Condition

IIH 40 40 40

Condition

IIL −0.8 −0.8 −0.8

Condition

VIH 222

Condition

Condition

VIH 222

Condition

Condition

Tr 0.5 0.5 0.5

Condition

Tstg 0.7 0.7 0.7

Condition

Tf 0.1 0.1 0.1

Condition

VS=44V VS=44V VS=44V

VS=44V, IDSS=250µAVS=44V, IDSS=250µAVS=44V, IDSS=250µA

ID=1A, AVS=14V ID=1A, VS=14V ID=3A, VS=14V

VDSS=100V, VS=44V VDSS=100V, VS=44V VDSS=100V, VS=44V

ID=1A ID=1A ID=3A

VIH=2.4V, VS=44V VIH=2.4V, VS=44V VIH=2.4V, VS=44V

VIL=0.4V, VS=44V VIL=0.4V, VS=44V VIL=0.4V, VS=44V

ID=1A ID=1A ID=3A

VDSS=100V VDSS=100V VDSS=100V

VDSS=100V VDSS=100V VDSS=100V

ID=1A ID=1A ID=3A

VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=1A

VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=1A

VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=1A

mA

mA

µ

mA

µ

V

V

V

A

V

V

s

SLA7027MU/SLA7024M/SLA7026M

20

■Internal Block Diagram

81 6 5 7 12 17 16 1811

IN A

IN A

SLA7027MU/SLA7024M/SLA7026M2-Phase Stepper Motor Unipolar Driver ICs (2-Phase/1-2 Phase Excitation)

VSA

SB

V

IN B

IN B

Reg

Reg

+

+

–

–

GA

RSA

9

TDA

REFA

234

14 13 15 10

+

+

–

–

GB

TDB

REFB

RSB

■Diagram of Standard External Circuit(Recommended Circuit Constants)

Active High

VCC (46V max)

V

b (5V)

C1 C2

+

712 8 1 18 11

V

SA VSB OUTAOUTB OUTBOUTA

r1

r4r3

13

r2

SLA7024M

2

dA

T
TdB

RSA REFA REFB RSB GA GB
9 3 14 10 4 15

3

C

7026M

7027MU

4

C

r6r5

RsRs

INA
INA
INB
INB

6

INA

5

INA

Active

INB
INB

High

17
16

Excitation signal time chart

2-phase excitation

clock 0 1 2 3 0 1

INA HLLHHL
INA LHHLLH
INB HHL LHH

B LLHHLL

IN

1-2 phase excitation

clock 0 1 2345670123

INA HHLLLLLHHHLL
INA LLLHHHLLLLLH
INB LHHHLLLLLHHH

B LLLLLHHHLLLL

IN

1, 8, 11, 18pin

Description of pins

Excitation input

Active H Active L
Pin 1 OUTA OUTA
Pin 8 OUTA OUTA
Pin 11 OUTB OUTB
Pin 18 OUTB OUTB

r1 : 510Ω

2 : 100Ω (VR)

r

3 : 47kΩ

r

4 : 47kΩ

r

5 : 2.4kΩ

r

6 : 2.4kΩ

r

1 : 470pF

C

2 : 470pF

C

3 : 2200pF

C

4 : 2200pF

C

s :1Ω typ(7024M)

R

(1 to 2W)

0.68Ω typ(7026M)

1.8Ω typ(7027MU)

Active Low

VCC (46V max)

V

b (5V)

r4r3

C1 C2

+

712 8 1 18 11

V

SA VSB OUTA OUTB OUTBOUTA

r1

SLA7024M

2

dA

T
TdB

13

r2

RSA REFA REFB RSB GA GB
9 3 14 10 4 15

3

C

7026M
7027MU

Excitation signal time chart

2-phase excitation

clock 0 1 2 3 0 1

INA LHHLLH
INA HLLHHL
INB LLHHLL

B HHL LHH

IN

6

INA
INA
INB
INB

INA

5

INA

Active

INB
INB

Low

1-2 phase excitation

17
16

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

4

C

r6r5

RsRs

INA LLHHHHHLLLHH
INA HHHLLLHHHHHL
INB HLLLHHHHHLLL

B HHHHHLLLHHHH

IN

SLA7027MU/SLA7024M/SLA7026M

r1 : 510Ω

2 : 100Ω(VR)

r

3 : 47kΩ

r

4 : 47kΩ

r

5 : 2.4kΩ

r

6 : 2.4kΩ

r

1 : 470pF

C

2 : 470pF

C

3 : 2200pF

C

4 : 2200pF

C

s :1Ω typ(7024M)

R

(1 to 2W)

0.68Ω typ(7026M)

1.8Ω typ(7027MU)

21

SLA7027MU/SLA7024M/SLA7026M2-Phase Stepper Motor Unipolar Driver ICs (2-Phase/1-2 Phase Excitation)

■External Dimensions

±0.2

±0.15

3.2

φ

±0.2

±0.2

±0.2

16

13

9.9

+0.2

0.65

–0.1

31

±0.2

24.4

±0.2

16.4

Part No.

Lot No.

±0.4

17×P1.68

±0.2

31.3

123 ·······18

=28.56

±0.15

3.2

3.

4.

5.

+0.2

1

–0.1

±1

×3.8φ4.8

R-End

±0.2

1.7

2.45

0.55
4

0.5

±

±0.7

6.7
(3)

±0.1

±0.2

+0.2
–0.1

+1

–0.5

9.7

0.65

+0.2
–0.1

17×P1.68

±0.4

=28.56

+0.2

2.2

1

–0.1

±1

7.5

123 ·······18

Forming No. No.871 Forming No. No.872

(Unit: mm)

±0.6

±0.6

3

4.6

±0.6
±0.6

6

±0.6

+0.2

–0.1

0.55

±0.6

1.6

SLA7027MU/SLA7024M/SLA7026M

22