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IC501 (BD7907FS): Spindle Motor and 5ch Actuator Driver
Block Diagram
HU+
1
HU-
2
HV+
3
HV-
4
HW+
5
HW-
6
HB
7
PGND1
8
U
9
SPVM1
10
V
11
GND
12
GND
13
GND
14
GND
15
GND
16
PGND2
17
W
18
SPVM2
19
SPRNF
20
FG
21
CTL1
22
CTL2
23
SPIN
24
DGND
25
LDIN
26
VC
27
54
DVCC
53
FCIN
52
TKIN
51
VCC
50
LDO+
49
LDO-
48
TKO+
47
TKO-
46
FCO+
45
FCO-
44
AVM
43
GND
42
GND
41
GND
40
GND
39
GND
38
AGND
37
SLO1+
36
SLO1-
35
SLO2+
34
SLO2-
33
SLGND
32
SLRNF2
31
SLRNF1
30
SLVDD
29
SLIN2
28
SLIN1
49
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