AT5558

Preliminary Product Information

5-Channel DSC Motor Driver

7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

06/10/05 REV:1.1

7

Input-output logic table

Constant-voltage or saturation control (Channel 1, 2)

Input

Output

IN1A

IN1B

IN2A

IN2B

OUT1A

OUT1B

OUT2A

OUT2B

Mode

L

L

L

L

Z

Z

Z

Z

Standby

H

L

L

L

H

L

Z

Z

H

L

H

L

H

L

H

L

L

L

H

L

Z

Z

H

L

L

H

H

L

L

H

H

L

L

H

L

L

L

H

Z

Z

L

H

L

H

L

H

L

H

L

L

L

H

Z

Z

L

H

H

L

L

H

H

L

L

H

1,2 phase

excitation

H

H

L

L

H

H

L

L

BRAKE

Constant-voltage or saturation control (Channel 3, 4)

Input

Output

IN3A

IN3B

IN4A

IN4B

OUT3A

OUT3B

OUT4A

OUT4B

Mode

L

L

L

L

Z

Z

Z

Z

Standby

H

L

L

L

H

L

Z

Z

H

L

H

L

H

L

H

L

L

L

H

L

Z

Z

H

L

L

H

H

L

L

H

H

L

L

H

L

L

L

H

Z

Z

L

H

L

H

L

H

L

H

L

L

L

H

Z

Z

L

H

H

L

L

H

H

L

L

H

1,2 phase

excitation

H

H

L

L

H

H

L

L

BRAKE

Constant-current control or saturation control (Channel 5)

Input

Output

Mode

IN5A

IN5B

OUT5A

OUT5B

L

L

Z

Z

Standby

H

L

H

L

L

H

L

H

SH&AE

H

H

L

L

BRAKE