90

ICs

1-2-1 2-Phase Stepper Motor Unipolar Driver ICs

Parameter

Symbol

Ratings

Unit

SLA7022MU

SLA7029M

SMA7022MU

SMA7029M

Motor Supply Voltage

46

V

FET Drain-Source Voltage

100

V

Control Supply Voltage

46

V

TTL Input Voltage

7V

Reference Voltage

2V

Output Current

1

1.5

1

1.5

A

Power Dissipation

4.5 (Without Heatsink)

4.0 (Without Heatsink)

W

W

Channel Temperature

+150

°C

Storage Temperature

–40 to +150

°C

■Absolute Maximum Ratings

Ratings

Parameter

Symbol

SLA7022MU

SLA7029M

SMA7022MU

SMA7029M

Unit

min.

typ.

max.

min.

typ.

max.

min.

typ.

max.

min.

typ.

max.

Control Supply Current

10

15

10

15

10

15

10

15

mA

Condition

Control Supply Voltage

10

24

44

10

24

44

10

24

44

10

24

44

V

FET Drain-Source Voltage

100

100

100

100

V

Condition

FET ON Voltage

0.85

0.6

0.85

0.6

V

Condition

FET Drain Leakage Current

44

4

4

mA

Condition

FET Diode Forward Voltage

1.2

1.1

1.2

1.1

V

Condition

40

40

40

40

µA

TTL Input Current

Condition

–0.8

–0.8

–0.8

–0.8

mA

Condition

22

2

2

TTL Input Voltage (Active High)

Condition

V

0.8

0.8

0.8

0.8

Condition

22

2

2

TTL Input Voltage (Active Low)

Condition

V

0.8

0.8

0.8

0.8

Condition

0.5

0.5

0.5

0.5

Condition

Switching Time

0.7

0.7

0.7

0.7

µs

Condition

0.1

0.1

0.1

0.1

Condition

■Electrical Characteristics

2-Phase Excitation

SLA7022MU/SLA7029M/SMA7022MU/SMA7029M