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參數(shù)資料
| 型號： | LB1817W |
| 元件分類： | 運動控制電子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PQFP48 |
| 封裝： | SQFP-48 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 224K |
| 代理商： | LB1817W |
LB1817W
No. 5805-3/9
Pin Assignment
Block Diagram
48
1
LB1817W
NC
2
V
REF
1
3
V
REF
2
4
I/D
5
NC
6
SG
7
MS3
8
MS2
9
MS1
10
S/S
11
I
–
12
NC
36
NC
35
UIN1
34
UIN2
33
WPB
32
W
OUT
31
NC
30
VPB
29
V
OUT
28
UPB
27
U
OUT
26
F
G
OUT
25
NC
Top view
47
NC
46
I
+
45
X1
44
X2
43
FC
42
NC
41
Rf
40
PG
39
FG
+
38
FG–
37
13
14
15
16
17
18
19
20
21
22
23
24
NC
CT
DSC
AGC
VCC
HB
WIN1
WIN2
VIN1
VIN2
NC
PGND
WOUT
VOUT
UOUT
WPB
VPB
UPB
RF
LB1817W
VCC
UIN1
UIN2
VCC
FC
DSC
VIN1
VIN2
WIN1
WIN2
AGC
HB
S/S
VREF1
V
U
W
I+
CT
5A
FG OUT
750k
12k
0.22F
I/D
I–
FG–
FG+
X2
X1
SGND
MS3
MS2
(1:2)
H:2
L:1
MS1
(1:1.2)
H:1.2
L:1
H:360rpm
L:300rpm
1MHz
VREF2
V
U
HU
HV
HW
AGC
TSD
VREF1
VREF2
Timing
adjustment
Schmitt
comparator
1 / N
OSC
V/I
Hall amplifier
Matrix
Current
control
Output amplifier
Control
amplifier
Hall bias
Current
limiter
VLIM
Buffer amplifier
FG amplifier
Speed
discriminator
(1390/2 count)
N
()
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