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Part Name
Description
FAN8434 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
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FAN8434
Camcorder 3 in 1 Motor Driver
Fairchild Semiconductor
FAN8434 Datasheet PDF : 22 Pages
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Internal Block Diagram
FAN8434
FWD
3
REV
4
L_ILIM
64
VH+
43
VH-
42
ANGLE
39
HU+
50
HU-
49
HV+
48
HV-
47
HW+
46
HW-
45
C_FR
40
C_FGOUT
36
C_FGIN-
37
C_FGIN+
38
FC2
21
D_STBY
34
OSC
18
D_FR
17
CSC1
13
CSC2
14
FC1
19
FILTER
20
SELCSLP
12
TSD
MODE
SELECTION
VCC1
OUTPUT
DRIVER
5 63 61
62
7 6 8 10 11 9
Hall power
supply voltage
TSD
VCC1/2
1
OPIN3-
2
OPOUT3
VCC1/2
15
OPIN4-
16
OPOUT4
44
CVM
VCC1
MATRIX
&
LOGIC
&
OUTPUT
DRIVER
Upper/Lower
amplitude limiter
VCC1
Drum
bias circuit
Mid Point
CONTROL
MASKING
START-UP
CONTROL
TIMING
CONTROL
Forward/Reverse
BACK-EMF
DETECT
SOFT-
COMMUTATING
DRIVE
OUTPUT
DRIVER
TSD
VCC1
Capstan
bias circuit
VCC1
55
C_UOUT
53
C_VOUT
51
C_WOUT
52
C_RS
54
C_STBY
60
D_VM
23
D_COM
24
D_UIN
25
D_VIN
26
D_WIN
59
D_UOUT
58
D_VOUT
56
D_WOUT
57
D_RS
Reference
Voltage
VCC1
VCC1
27
GND
35
33 32
31 30
29
28
5
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