HA13557AFH 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HA13557AFH Datasheet PDF : 28 Pages
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Block Diagram
HA13557AFH
VSS (+5V)
VSS
20
C102
Vps(+12V)
Vpss
17
C101
11CT
RESINH 38
C103
COMM
23
C-PUMP
14
C2 C1
CLREF
15
R1b
R1
16
R1a 28
SPNENAB
POLSEL 24
CLOCK
(5MHz Typ)
26
CNTSEL 25
READY 27
VCTL 40
OPIN(–) 41
OPIN(+) 39
Vref1 37
NC 34
NC 35
GAIN 33
VCM ENAB 32
BC1 5
C104
BC2 4
1
C105 VBST
B-EMF
AMP.
START-UP
CIRCUIT
CHARGE
PUMP
SOFT
SWITCHING
MATRIX
VBST
COMMUTATION
LOGIC
CURRENT
CONTROL
D2
U
SPINDLE
DRIVER
V
13
U
D3
12
V
D4
W
8W
RNF
9
C110
PCOMP
10
C111
(D1) SPEED DISCRI.
1/32
(CNT)
SPEED
READY
–
+ OPAMP.
Vref1
(=4.6V) OTSD
Vpsv 45
C109
RETPOW
46
VBST
RETON
RETRACT
47
DRIVER
VCMP
R112
R113
Qret1
C112 R109
Qret2
R110
R111
P
+ VCM
DRIVER
2
D1
RS
–
N
3
VCMN
CX
RX
RL
48RS
–
+
36
COMP
OUT
VBST Vss
Vps
BOOSTER
POWER
MONITOR
POR
Delay
Vss LVI1 21 44 LVI2
(+5V) R101
R103
R102 R104
22
Vps
DELAY
(+12V) C106
COMPARATOR
R105 Vss(+5V)
GND
TAB
6, 7, 18, 19, 30,
31, 42, 43
29
POR
(L:RESET)
5
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