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參數(shù)資料
| 型號： | FAN8621B |
| 英文描述： | Industrial Control IC |
| 中文描述： | 工業(yè)控制IC |
| 文件頁數(shù)： | 19/21頁 |
| 文件大?。?/td> | 222K |
| 代理商： | FAN8621B |
FAN8621B
19
Typical Application Circuits
Power
Management
Three State
Input
Control
Commutation
Sequencing
&
Spindle Control
External
Brake
Back-EMF
Processing
&
Zero Cross Detector
Bandgap
Reference
&
Bias
FG
Generator
1.3V
SPM output on
start-up clock
hard/soft
Brake
Triangle Wave
Generator
Speed
Discriminator
&
Speed Lock
Indicator
PWMs
Decorder
&
2nd orderFilter
VDD
i
spll
Counter
&
Timing Control
VCMREF4V
VCMREF4V
VCC
gain
2,8
gain
14
error
amp
sense
amp
power
amp
VCM
Gain
Selection
Intelligent
Retract
TSD
VCMREF4V
power
amp
VCM
on/off
Retract
FG
Reference
U V W
Retract
Retract
U
clock
clock
4
42
6
2
44
45
46
47
48
1
13
14
12
16
24
17
21
19
28
30
11
3
7
40
41
38
37
34
32
39
27
22
23
26
20
25
U
V
W
N
pre
amp
SPM bias enable
i
spll
25K
9K
7K
11K
Speed
VCC
VDD
Current
Limiting
VCM
H-bridge
Power Driver
SPM
Three Phase
Power Driver
36
31
35
43
5
29
18
15
C2
C1a
8
C15
C
R19
R25
R
R1
C1b
R24
C17
R33
C39
C41
V
W
C40
R
R
C
12V
5V
12V
CNTL1
CNTL2
CNTL3
READY
RPMSEL
PWMH
PWML
GAINSEL
VCMREF4V
12V
FG
CLK
VCM
SPM
POR
CDLY
VREF
ADJ
VDD VDD
VCC
BRAKE
CBRAKE
PVCC
N
U
V
W
CCOMP
PCS
PVCC
VCM+
SENSE
VCM-
R
PGND
SENSEOUT
ERROUT
ERRIN
FILOUT
CRET
RRET
CRET2
SUBGND
SUBGND
GND
CFVCM
VCNT
CSOFT
SENSE12
SENSE5
VCM+
SENSE
M40a
M40b
33
HALFVCC
12.7K
C9
D20
9
5V
12V
12V
R27
C27
D27
D5
12.7K
D21
Q7
10
C21
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