参数资料
型号: L6238SQT
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 5 A, PQFP64
封装: TQFP-64
文件页数: 30/31页
文件大小: 3465K
代理商: L6238SQT
FUNCTIONAL DESCRIPTION
1.0 INTRODUCTION
1.1 Typical Application
In a typical application, the L6238S will operate in
conjunction with the L6244 Voice Coil Driver as
shown in Fig. 1-1.
This configuration requires a minimum amount of
external components.
1.2 Input Default States
Figure 1-2 depicts the two possible input struc-
tures for the logic inputs. If a particular pin is not
OUT
A
10
CTR
TAP
43
OUT
B
1
OUT
C
36
RSENSE
4.35
CSA
34
6.33
10nF
5
8
CHRG
PUMP
2
CHRG
PUMP
1
8.12MHz
4.7
F
25
9
CHRG
PUMP
3
SYS
CLK
22
F
ALIGN
V
PWR
27
11,42
400pF
44
PWM
SLEW
100K
10K
37
0.068
F
GM
COMP
0.1
F
3
BRK
DLY
6,7,17,
29,39,40
GND
60-90Hz
Note:
If
the
internal
Start-up
Algorithm
is
not
used,
connect
this
pin
to
SYS_CLK
V
ANLG
12V
V
LOGIC
VLOGIC(5V)
12
39
L6238S
SPINDLE
MOTOR
DRIVER
CONTROLLER
220pF
20
16
15
14
18
31
34
33
23
22
38
26
GATE
DRV
MONO
SEQ.
OUT
ENA
RUN/BRK
V
CTRL
SEQ
INC
F
MTR
OT
WARM
T
DLY(0)
T
DLY(1)
T
DLY(2)
PWM
TMR
19
data(0)
20
data(1)
21
data(2)
22
data(3)
23
data(4)
24
data(5)
25
data(6)
26
data(7)
36
WR
28
A0
27
A1
18
CS
43
35
10K
V
LOGIC
POR
44
9
37
GATE
DRIVE
42
Vpower
1
F
0.068
F
3.6K
27K
0.1
F
VCM
Rs
0.4
38
4
5
8
360K
12
360K
13
360K
14
10K
11
100K
10
15
6,7,17,29,39,40
41
31
4
3
1
3
GND
POR
DLY
Rprogram
V
PROG
V
CC/2
GAIN2-IN
DA0Out
GAIN1-IN
ERROR
AMP
OUTPUT
V
PUMP
CP2
CP1
0.01
F
D95IN278
L6244
VOICE
COIL
DRIVER
DA2
OUT
SENSE
OUT
B
SENSE
+INPUT
SENSE
-INPUT
OUT
A
V
CC
SENSE
Figure 1-1
L6238S
8/31
相关PDF资料
PDF描述
L6238S013TR BRUSHLESS DC MOTOR CONTROLLER, 5 A, PQCC44
L6246 VOICE COIL MOTOR CONTROLLER, 3 A, PQFP44
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
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