AT5519 datasheet(4/11 Pages) ETC1

부품명	AT5519

상세설명	Preliminary Product Information Dual Full-Bridge Stepper Motor Driver

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AT5519

Preliminary Product Information

Dual Full-Bridge Stepper Motor Driver

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

Tel: 886-3-563-0878

WWW: http://www.aimtron.com.tw

Fax: 886-3-563-0879

Email: service@aimtron.com.tw

4

Electrical Characteristics

(VCC=4.75~5.25V, VBB=28V,VREF=5.0V, TA=+25

0C, TJ≤+1500C)

Values

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Output Drivers (OUT

A or OUTB)

Motor Supply Voltage

VBB

10

-

28

V

OUT=VBB

-

50

μ

A

Output Leakage Current

I

CEX

V

OUT=0V

-

-50

μ

A

Output Sustaining Voltage V

CE(SUS) IOUT=±750mA,L=3.0mH

28

-

V

Sink Driver, I

OUT=±500mA

-0.4

0.6

V

Sink Driver, I

OUT=±750mA

-1.0

1.2

V

Source Driver, I

OUT=-500mA

-

1.1

1.4

V

Output Saturation Voltage V

CE(SAT)

Source Driver, I

OUT=-750mA

-

1.3

1.6

V

Clamp Diode Leakage

Current

I

R

V

R=28V

-

50

μ

A

Clamp Diode Forward

Voltage

V

F

I

F=750mA

-

1.6

2.0

V

I

BB(ON)

Both Bridges ON, no load

-

20

25

mA

Driver Supply Current

I

BB(OFF) Both Bridges OFF

-

5.0

10

mA

Control Logic

V

IN(1)

All Input

2.4

-

V

Input Voltage

V

IN(O)

All Input

-

0.8

V

IN=2.4V

-

20

μ

A

Input Current

I

IN(1)

V

IN=0.8V

-

-3.0

-200

μ

A

Reference Voltage Range

VREF Operating

1.5

-

7.5

V

I

0=I1=0.8V

9.5

10

10.5

I

0=2.4V, I1=0.8V

13.5

15

16.5

Current Limit

Threshold(at trip point)

V

REF/

V

COMPIN

I

0=0.8V, I1=2.4V

25.5

30

34.5

Thermal Shutdown

Temperature

T

J

-170

-

°C

Total Logic Supply

Current

I

CC(ON)

I

0=I1=0.8V, No Load

-

40

50

mA

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