參數(shù)資料
型號: L6246
廠商: STMICROELECTRONICS
元件分類: 運動控制電子
英文描述: VOICE COIL MOTOR CONTROLLER, 3 A, PQFP44
封裝: 10 X 10 MM, PLASTIC, QFP-44
文件頁數(shù): 11/12頁
文件大?。?/td> 162K
代理商: L6246
Obsolete
Product(s)
- Obsolete
Product(s)
L6246
PQFP44
10
8
9
12
13
1K
100nF
ERR-
ERR_OUT
SENSE_OUT
1M
1K
10K
VIN_OUT
VIN-
14
VIN+
10K
VCC/2
VREF
VCTL
15
VCC/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
VDD
100nF
VDD
18
22
F
100nF
VCC
GATE DRV
19
41
37
44
27
G
S
D
VBEMF
FROM SPINDLE
DRIVER
100nF
40
28
RPARK
VCP
P322
1
F
51K
26
12SEPT
(*)
25
5SSEPT
(*)
10nF
C1
C2
38
39
21
5VREF
24
5VREFGND
5VREF
GND
22
12SEPT
1
F
3
5SSEPT
1
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
10.5V
INT.REG.
(*)
D95IN268
FILTER CAPACITORS TO BE SET IN APPLICATION
Typical Application Circuit
20K
2K
VCC/2 + 10VSENSE
20K
VCC/2
SENSE
AMPL.
R1
ERROR
AMPL.
-
+
RC (=R1)
VCC/2 - (RA-RB) VIN
RA
RB
RA
INPUT
AMPL.
-
+
R2
R3
C
VIN
VSENSE
VCC/2
17.5K
1.1K
VCC/2
16.5K
VCC/2
VCC/2 + (RA/RB) (ZC/RC) VIN-10 (ZC/R1) VSENSE
-+
RS
RL
LL
LOAD
VL
POWER
AMPL.
POWER
AMPL.
1.1K
ZC
VL=32 ( (ZC/RC) VIN - 10 (ZC/R1) VSENSE )
= ACPW * ACERR ( ACIMP * VIN - ACSENSE * VSENSE )
D95IN269B
TO SENSE
AMPLIFIER +
-
+
-
+
-
+
Current Control Loop Circuit
L6246
8/12
相關(guān)PDF資料
PDF描述
L6258EA STEPPER MOTOR CONTROLLER, 2 A, PDSO36
L6268 VOICE COIL MOTOR CONTROLLER, 2.1 A, PQFP44
L6269 VOICE COIL MOTOR CONTROLLER, 2.1 A, PQFP44
L6280 STEPPER MOTOR CONTROLLER, 4.4 A, PQCC44
L6285S STEPPER MOTOR CONTROLLER, 2 A, PDIP42
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