參數(shù)資料
型號(hào): L6246
廠商: 意法半導(dǎo)體
英文描述: 12V VOICE COIL MOTOR DRIVER
中文描述: 12V的音圈電機(jī)驅(qū)動(dòng)
文件頁數(shù): 8/12頁
文件大?。?/td> 103K
代理商: L6246
L6246
PQFP44
10
8
9
12
13
1K
100nF
ERR-
ERR_OUT
SENSE_OUT
1M
1K
1K
10K
VIN_OUT
VIN-
14
VIN+
10K
10K
10K
V
CC/2
V
REF
V
CTL
15
V
CC/2
34
7,35,43
CPGND
GND
Rs 0.2
LL
RL
VOICE COIL
MOTOR
OUT_
SENSE_IN-
SENSE_IN+
OUT+
42
6
5
36
V
DD
100nF
V
DD
18
22
μ
F
100nF
V
CC
V
CC
V
CC
V
CC
GATE DRV
19
41
37
44
27
G
S
D
V
BEMF
FROM
SPINDLE
DRIVER
100nF
40
28
R
PARK
V
CP
P322
1
μ
F
51K
26
12S
EPT
(*)
25
5S
SEPT
(*)
10nF
C1
C2
38
39
21
5V
REF
5V
REF
GND
24
5V
REF
GND
22
12S
EPT
1
μ
F
3
5S
SEPT
1
μ
F
AE W GATE
MOTOR START
THERMAL SHTD
POR
17
16
4
20
32
ENABLE
30
VCM PARK
31
SPINDLE START
29
W GATE
2
FILTER_CAP
I10.5V
(*)
D95IN268
FILTER CAPACITORS TO BE SET IN APPLICATION
Typical ApplicationCircuit
20K
2K
2K
V
CC/2
+ 10V
SENSE
20K
V
CC/2
V
CC/2
SENSE
AMPL.
R1
ERROR
AMPL.
-
+
RC (=R1)
V
CC/2
- (RA-RB) VIN
RA
RB
RB
RA
INPUT
AMPL.
-
+
R2
R3
C
VIN
V
SENSE
V
CC/2
17.5K
1.1K
V
CC/2
16.5K
V
CC/2
V
CC/2
+ (RA/RB) (Z
C
/RC) VIN-10 (Z
C
/R1) V
SENSE
-
+
R
S
RL
LL
LOAD
VL
POWER
AMPL.
POWER
AMPL.
1.1K
Z
C
VL=32 ( (ZC/RC) VIN - 10 (Z
C
/R1) V
SENSE
)
= A
CPW
* A
CERR
( A
CIMP * VIN
- A
CSENSE
* V
SENSE
)
D95IN269B
TO
SENSE
AMPLIFIER
+
-
-
+
-
+
-
+
Current Control Loop Circuit
L6246
8/12
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