參數(shù)資料
型號: HA13614FH
廠商: Hitachi,Ltd.
英文描述: Combo (Spindle & VCM) Driver
中文描述: 組合(主軸
文件頁數(shù): 5/26頁
文件大?。?/td> 122K
代理商: HA13614FH
HA13614FH
5
Block Diagram
+
+
37
33
1
128
CLK
CLK
BRK
BRAKE
POR
OTSD
CLK
EXTCOM
U
UFLT
C101
C112
C116
C102
B-EMF
Amps
V
W
Brake
control
Retract
driver
Spindle
driver
MASK
OP Amp.1
OP Amp.2
+
P
N
B
P
SPN
GAIN
Commutation
logic
STANDBY
SPNENAB
EXTCOM
BRAKE
VCMENAB
SOFTSW
TEST
SPNGAIN
Serial
input
RESET
VCM
driver
VCMENAB
V
BST
V
BST
Vps Vss
V
BST
V
BST
Selector
Vref(=5.3V)
BIAS
Booster
CLK
TEST
1.4V ref.
44VREF
43VIPWMH
VIPWML
PC
C104
C1
29
2
FLTOUT
C103
Input
filter
Power
monitor2
Vss
Power
monitor1
32
NFLT
PWM
decoder
42
45
38
40
39
DACOUT
36
COMM
35
PHASE
34
SPNCTL
(TESTOUT)
1
OP1OUT
3
OP2IN(+)
5
OP2OUT
10
VCMIN
SCLK
DATA
SEENAB
OP1IN(
)
C111
23
VpsIN
31
VpsOUT
30
Vpss
28
BRKDLY
Vss
4
Vss (+5V)
Vps (+12V)
Vps
(+12V)
Vdd
(+3.3V)
Vss (+5V)
C113
Current
control
(PWM)
11
VCMP
12
VCMSLC
VCMN
6
Vpsv
17
RETPOW
13
ISENSE
RETSET
C115
VBST
14
26
RNF
R
NF
22
W
27
V
21
U
20
CT
25
8
VCMPS7
Rs9
4112VGOOD
(Open Drain)
48
POR
(L: RESET)
C114
C110
R106
R
S
R
L
R105
R109
18
C107
R103
LVI1
R101
LVI2
R107
R102
R108
DELAY
47
C105
C117
46BC1
BC2
15
16
TAB
POR
delay
POW DWN
R104 C108
C106
Vss (+5V)
R110
C109
19
24
OTSD
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