TAS5612A

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SLAS710 – JUNE 2010

PIN FUNCTIONS

PIN

DESCRIPTION

NAME

PHD NO.

DKD NO.

AGND

8

10

P

Analog ground

BST_A

54

43

P

HS bootstrap supply (BST), external 0.033mF capacitor to OUT_A required.

BST_B

41

34

P

HS bootstrap supply (BST), external 0.033mF capacitor to OUT_B required.

BST_C

40

33

P

HS bootstrap supply (BST), external 0.033mF capacitor to OUT_C required.

BST_D

27

24

P

HS bootstrap supply (BST), external 0.033mF capacitor to OUT_D required.

CLIP

18

—

O

Clipping warning; open drain; active low

C_STARTUP

3

5

O

Startup ramp requires a charging capacitor of 4.7nF to GND

TEST

12

14

I

Connect to VREG node

GND

7, 23, 24, 57, 58

9

P

Ground

GND_A

48, 49

38

P

Power ground for half-bridge A

GND_B

46, 47

37

P

Power ground for half-bridge B

GND_C

34, 35

30

P

Power ground for half-bridge C

GND_D

32, 33

29

P

Power ground for half-bridge D

GVDD_A

55

—

P

Gate drive voltage supply requires 0.1mF capacitor to GND

GVDD_B

56

—

P

Gate drive voltage supply requires 0.1mF capacitor to GND

GVDD_C

25

—

P

Gate drive voltage supply requires 0.1mF capacitor to GND

GVDD_D

26

—

P

Gate drive voltage supply requires 0.1mF capacitor to GND

GVDD_AB

—

44

P

Gate drive voltage supply requires 0.22mF capacitor to GND

GVDD_CD

—

23

P

Gate drive voltage supply requires 0.22mF capacitor to GND

INPUT_A

4

6

I

Input signal for half bridge A

INPUT_B

5

7

I

Input signal for half bridge B

INPUT_C

10

12

I

Input signal for half bridge C

INPUT_D

11

13

I

Input signal for half bridge D

M1

20

20

I

Mode selection

M2

21

21

I

Mode selection

M3

22

22

I

Mode selection

NC

59–62

–

—

No connect, pins may be grounded.

NC

13, 14

15, 16

—

No connect, pins may be grounded.

OC_ADJ

1

3

O

Analog overcurrent programming pin requires resistor to ground.

OTW

—

18

O

Overtemperature warning signal, open drain, active low.

OTW1

16

—

O

Overtemperature warning signal, open drain, active low.

OTW2

17

—

O

Overtemperature warning signal, open drain, active low.

OUT_A

52, 53

39, 40

O

Output, half bridge A

OUT_B

44, 45

36

O

Output, half bridge B

OUT_C

36, 37

31

O

Output, half bridge C

OUT_D

28, 29

27, 28

O

Output, half bridge D

PSU_REF

63

1

P

PSU Reference requires close decoupling of 4.7mF to GND

PVDD_A

50, 51

41, 42

P

Power supply input for half bridge A requires close decoupling of 2uF capacitor GND_A

PVDD_B

42, 43

35

P

Power supply input for half bridge B requires close decoupling of 2uF capacitor GND_B

PVDD_C

38, 39

32

P

Power supply input for half bridge C requires close decoupling of 2uF capacitor GND_C

PVDD_D

30, 31

25, 26

P

Power supply input for half bridge D requires close decoupling of 2uF capacitor GND_D

READY

19

19

O

Normal operation; open drain; active high

RESET

2

4

I

Device reset Input; active low

SD

15

17

O

Shutdown signal, open drain, active low

Power supply for digital voltage regulator requires a 47mF capacitor in parallel with a

VDD

64

2

P

0.1mF capacitor to GND for decoupling.

VI_CM

6

8

O

Analog comparator reference node requires close decoupling of 4.7mF to GND

VREG

9

11

P

Digital regulator supply filter pin requires 0.1mF capacitor to GND

(1)

I = Input, O = Output, P = Power

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