參數(shù)資料
型號(hào): HA13561
廠商: Hitachi,Ltd.
英文描述: Combo (Spindle & VCM) Driver
中文描述: 組合(主軸
文件頁(yè)數(shù): 5/26頁(yè)
文件大小: 114K
代理商: HA13561
HA13561F
5
Block Diagram
V
SS
(+5V)
V
SS
C102
B-EMF
AMP.
START-UP
CIRCUIT
CHARGE
PUMP
SOFT
SWITCHING
MATRIX
COMMUTATION
LOGIC
CURRENT
CONTROL
(D1)
1/32
SPEED DISCRI.
(CNT)
SPEED
READY
Vref1
(=4.6V)
OTSD
BOOSTER
POWER
MONITOR
POR
Delay
OPAMP.
V
BST
Vss
(+5V)
LVI1
R101
R102
R104
R103
LVI2
Vps
(+12V)
DELAY
C106
GND
POR
(L:RESET)
R105
45
Vss(+5V)
COMP
OUT
COMPARATOR
RS
VCMN
R
L
R
S
R108
VCMP
D1
RETON
RETPOW
Qret
D2
C109
Vpsv
PCOMP
C110
C111
R
NF
W
V
U
U
V
W
SPINDLE
DRIVER
RETRACT
DRIVER
VCM
DRIVER
Vss
Vps
P
N
+
V
BST
1
4
5
56
57
58
59
61
63
65
64
43
41
42
40
44
24
23
22
39
37 76
38
19
21
20
16
17
18
77
78
79
2
3
80
60
36
25
V
BST
+
Vps(+12V)
Vpss
C101
CT
C103COMM
C2
CLREF
C1
C-PUMP
R1b
R1
R1a
SPNENAB
POLSEL
CLOCK
(5MHz Typ)
CNTSEL
READY
VCTL
OPIN(–)
OPIN(+)
Vref1
NC
NC
GAIN
VCM ENAB
BC1
C104
C105
BC2
V
BST
6 to 15,26 to 35
+
62
RESINH
C
X
R
X
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