AT5556

Preliminary Product Information

6-Channel DSC Motor Driver

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

5

04/12/10

Electrical Characteristic

Ω

5

7

4

3

2

1

.

=

=

=

=

L

L

L

L

R

R

R

R

,

Ω

5

6

5

=

=

L

L

R

R

)

Values

Parameter

Symbol

Condition

Min. Typ. Max.

Unit

Whole circuits

Circuit current at standby ICCST PS=L

-

0

10

A

µ

Circuit current1

ICC1 PS=H, IN1A1B~6A6B=L

-

1.5

3

mA

Circuit current2

ICC2

PS=H

IN2B=H

-

2.65

4.7

mA

Circuit current3

ICC3

PS=H

IN4B=H

-

2.65

4.7

mA

Circuit current4

ICC4

PS=H, IN5A or IN5B or IN6A or

IN6B=H

-

2.65

4.7

mA

Circuit current5

ICC5

PS=H,IN1A=IN2A=IN3A=IN4A

=IN5A=IN6A=H or

IN1B=IN2B=IN3B=IN4B=IN5B

=IN6B=H

-

4.90

5.5

mA

Power save

H level input voltage

VPSH

2.0

-

-

V

L level input voltage

VPSL

-

-

0.8

V

H level input voltage

IPSH PS=3V

-

5

20

A

µ

L level input voltage

IPSL PS=0V

-1

0

-

A

µ

Pull-down resistance

RIN

-

1.5

-

Ω

M

Control input

H level input voltage

VINH

2.0

-

-

V

L level input voltage

VINL

-

-

0.8

V

H level input voltage

IINH VIN=3V

-

5

20

A

µ

L level input voltage

IINL VIN=0V

-1

0

-

A

µ

Pull-down resistance

RIN

-

1.5

-

Ω

M

Charge Pump

Charge pump voltage

VCP PVCC=5V,VG=PVCC*2

9

10

-

V

UVLO

UVLO voltage

VUVLO

1.8

2.0

2.2

V

Vref

VREF output voltage

VREF Iout=0 ~ 1mA

0.88 0.90 0.92

V

Constant voltage driver1,2(For AF/STP)

Output ON Resistance

RON Io=+-200mA,

Sum of on-resistance

1.20 1.50

Ω

Output constant voltage

VO1 VC1=0.3V, Rload=7.5

Ω

1.40 1.50 1.60

V

Constant voltage driver3,4(For ZOOM)

Output ON Resistance

RON Io=+-200mA,

Sum of on-resistance

1.20 1.50

Ω