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参数资料
| 型号： | LB1875 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.03 A, PDSO36 |
| 封装： | HSOP-36 |
| 文件页数： | 13/17页 |
| 文件大小： | 335K |
| 代理商： | LB1875 |
LB1875
No. 6002-5/17
3-phase logic truth table (IN = “H” indicates the IN+ > IN– condition)
FGSEL pin
Continued from previous page
CLKSEL pin
S/S pin
LIM pin
Pin Assignment
IN1
IN2
IN3
IN1
IN2
IN3
SOURCE
SYNC
1
H
LH
L
VH
UL
2
H
LLL
H
WH
UL
3
H
LLL
H
WH
VL
4
L
HL
H
UH
VL
5
L
HHH
L
UH
WL
6
L
HHH
L
VH
WL
F/R= "L"
F/R= "H"
Output
Input state
Condition
Input state
Edge detection
Input state
Divisor
High or open
Stop
High or open
FG dual edge
High or open
1024 x 4
L
Start
L
FG single edge
M
1024
L
1024 x 3
Input state
Output pin (UH, VH, WH)
PWMOUT pin
High or open
No PWM (PAM operation)
PWM output
L
PWM (direct PWN operation)
FG/Schmitt comparator output
min
typ
max
[CLKSEL pin]
High level input voltage
VIH(CSEL)
4.0
VREG
V
Middle level input voltage
VIM(CSEL)
2.0
3.0
V
Low level input voltage
VIL(CSEL)
0
1.0
V
Input open voltage
VIO(CSEL)
VREG–0.5
VREG
V
High level input current
IIH(CSEL) VCSEL=VREG
–10
0
+10
μA
Low level input current
IIL(CSEL) VCSEL=0V
–200
–140
μA
[LIM pin]
High level input voltage
VIH(LIM)
3.5
VREG
V
Low level input voltage
VIL(LIM)
0
1.5
V
Input open voltage
VIO(LIM)
VREG–0.5
VREG
V
High level input current
IIH(LIM)
VLIM=VREG
–10
0
+10
μA
Low level input current
IIL(LIM)
VLIM=0V
–200
–140
μA
Ratings
Parameter
Symbol
Conditions
Unit
1
V
REG
2
X
I
3
X
O
4
S/S
5
CLK
SEL
6
CLK
IN
7
CLK
OUT
8
F/R
9
FG
SEL
10
LIM
11
LD1
12
LD2
13
PD
14
E
I
15
E
O
16
TOC
17
SOFT
18
C
PWM
GND
19
PWM
OUT
20
RF
21
WH
22
WL
23
VH
24
VL
25
UH
26
UL
27
V
CC
28
IN3
–
29
IN3
+
30
IN2
–
31
IN2
+
32
IN1
–
33
IN1
+
34
FG
IN
–
35
FG
IN
+
36
CSD
GND
LB1875
A11348
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