FAN8434 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

View to exact match

FAN8434

Camcorder 3 in 1 Motor Driver

Fairchild Semiconductor 

Pin Definitions

Pine Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

Pin Name

OPIN3-

OPOUT3

FWD

REV

L_VM

OPIN1-

OPIN1+

OPOUT1

OPOUT2

OPIN2+

OPIN2-

SELCSLP

CSC1

CSC2

OPIN4-

OPOUT4

D_FR

OSC

FC1

FILTER

FC2

VCC1

D_MCOM

D_UIN

D_VIN

D_WIN

GND

D_PGOUT

D_PGC

D_PGIN

VREF

D_FGIN

I/O

Pin Function Description

I

OP amp. 3 input -

O OP amp. 3 output

I

Loading motor forward input

I

Loading motor reverse input

-

Loading motor power supply voltage

I

OP amp. 1 input -

I

OP amp. 1 input +

O OP amp. 1 output

O OP amp. 2 output

I

OP amp. 2 input +

I

OP amp. 2 input -

I

Selection pin for oscillator ’s slant

-

Drum motor soft commutating oscillation 1

-

Drum motor soft commutating oscillation 2

I

OP amp. 4 input -

O OP amp. 4 output

I

Drum motor forward / reverse selection pin

-

Drum motor start up oscillation

-

Frequency characteristic

-

Drum motor torque ripple compensation

-

Output midpoint control

-

Power supply voltage 1

I

Drum motor Y-connection coil common input

I

Drum motor U-phase detect comparator input

I

Drum motor V-phase detect comparator input

I

Drum motor W-phase detect comparator input

-

Signal ground

O Drum motor PG comparator output

I

Drum motor PG amp. output

I

Drum motor PG input

-

Reference voltage

I

Drum motor FG input

FAN8434

3

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