Rainbow Electronics ATA6834 User Manual

Page 4

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4

9122B–AUTO–10/08

ATA6833/ATA6834 [Preliminary]

18

IL2

I

Control Input for output L2

19

IH2

I

Control Input for output H2

20

IL1

I

Control Input for output L1

21

IH1

I

Control Input for output H1

22

RXD

O

Receive signal from LIN bus for microcontroller

23

DG1

O

Diagnostic output 1

24

DG2

O

Diagnostic output 2

25

DG3

O

Diagnostic output 3

26

H3

O

Gate voltage high-side 3

27

S3

I/O

Voltage at half bridge 3

28

H2

O

Gate voltage high-side 2

29

S2

I/O

Voltage at half bridge 2

30

H1

O

Gate voltage high-side 1

31

S1

I/O

Voltage at half bridge 1

32

CPOUT

I/O

Charge pump output capacitor

33

CPHI2

I

Charge pump capacitor 2

34

CPLO2

O

Charge pump capacitor 2

35

CPHI1

I

Charge pump capacitor 1

36

CPLO1

O

Charge pump capacitor 1

37

NC

Connect to GND

38

PBAT

I

Power supply (after reverse protection) for charge pump and gate drivers

39

VG

I/O

Blocking capacitor

40

L1

O

Gate voltage H-bridge, low-side 1

41

L2

O

Gate voltage H-bridge, low-side 2

42

L3

O

Gate voltage H-bridge, low-side 3

43

PGND

I

Power ground for H-bridge and charge pump

44

VCC

O

5V/100 mA supply for microcontroller

45

NC

Connect to GND

46

VBAT

I

Supply voltage for IC core (after reverse protection)

47

EN2

I

High voltage enable input

48

VBATSW

O

100

Ω

PMOS switch from V

BAT

Table 2-1.

Pin Description

Pin

Symbol

I/O

Function

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