FAN8729_NL View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

FAN8729_NL

Spindle+4-CH Motor Drive IC

Fairchild Semiconductor 

Pin Definitions (Continued)

Pin Number

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

Pin Name

DO4+

DO4-

NC

VREF4

VM4

VM3

SVCC2

VREF123

MUTE123

MUTE4

SS

OUTS

INS-

INS+

PC1

FAN8729

I/O

Pin Function Description

O

BTL Drive 4 Output(+)

O

BTL Drive 4 Output(-)

-

NC

I

BTL CH4 Reference

-

BTL CH4 Motor Supply

-

BTL CH3 Motor Supply

-

BTL Signal VCC

I

BTL CH1,2,3 Reference

I

BTL CH1,2,3 Mute

I

BTL CH4 Mute

I

Spindle Start/Stop

O

OP-AMP Spindle Output

I

OP-AMP Spindle Input(-)

I

OP-AMP Spindle Input(+)

I

Phase Compesation Cap.

4

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