DS786A1

3

CS4412A

1. PIN DESCRIPTION

Pin Name

Pin #

Pin Description

CNFG0

CNFG1

CNFG2

1

2

3

Out Configuration Select (Input) - Used to set the PWM output configuration mode. See “Output

Mode Configuration” on page 15.

IN1

IN2

IN3

IN4

4

5

6

7

PWM Input (Input) - Logic-level switching inputs from a PWM modulator.

RST12

RST34

8

46

Reset Input (Input) - Reset inputs for channels 1/2 and 3/4 respectively. Active low.

LVD

9

VD Voltage Level Indicator (Input) - Identifies the voltage level attached to VD. When applying

5.0 V to VD, LVD must be connected to VD. When applying 2.5 V or 3.3 V to VD, LVD must be

GND.

VD_REG

11

Core Digital Power (Output) - Internally generated low voltage power supply for digital logic.

VD

12

Digital Power (Input) - Positive power supply for the internal regulators and digital I/O.

OCREF

21

Over-current Reference (Input) - Sets over-current trigger level. Connect pin through a resistor

to GND. See “Device Protection and Error Reporting” on page 19. This pins should not be left

floating.

Top-Down (Through Package) View

48-Pin QFN Package

12

7

6

5

4

3

2

1

11

10

9

8

25

30

31

32

33

34

35

36

26

27

28

29

14

13

15

16

17

18

19

20

21

22

23

24

47

48

46

45

44

43

42

41

40

39

38

37

CNFG0

CNFG1

CNFG2

IN1

IN2

RST12

VP

OUT1

PGND

PGND

OUT2

VP

VP

OUT3

LVD

VD_REG

VD

PGND

PGND

OUT4

VP

IN3

IN4

GND

Thermal Pad