STA518

Pins description

7/19

Table 2.

Functional Pin Status

18

NC

Not connected

19

GND-clean

Logical ground

20

GND-Reg

Ground for regulator Vdd

21 ; 22

Vdd

5V Regulator referred to ground

23

VL

Logic Reference Voltage

24

CONFIG

Configuration pin

25

PWRDN

Stand-by pin

26

TRI-STATE

Hi-Z pin

27

FAULT

Fault pin advisor

28

TH-WAR

Thermal warning advisor

29

IN1A

Input of half bridge 1A

30

IN1B

Input of half bridge 1B

31

IN2A

Input of half bridge 2A

32

IN2B

Input of half bridge 2B

33 ; 34

Vss

5V Regulator referred to +Vcc

Pin Name

Pin N.

Logical value

IC - STATUS

FAULT

27

0

Fault detected (Short circuit,

or Thermal.)

FAULT *

27

1

Normal Operation

TRI-STATE

26

0

All powers in Hi-Z state

TRI-STATE

26

1

Normal operation

PWRDN

25

0

Low consumption

PWRDN

25

1

Normal operation

THWAR

28

0

Temperature of the IC =130C

1.

The pin is open collector. To have the high logic value, it needs to be pulled up by a resistor.

28

1

Normal operation

CONFIG

24

0

Normal Operation

2.

To put CONFIG = 1 means connect Pin 24 (CONFIG) to Pins 21, 22 (Vdd) to implemented single BTL

(MONO MODE) operation for high current.

24

1

OUT1A=OUT1B ;

OUT2A=OUT2B

(IF IN1A = IN1B; IN2A = IN2B)

Table 1.

Pin Function (continued)

N°

Pin

Description

35 ; 36

Vcc Sign

Signal Positive supply