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參數(shù)資料
| 型號： | L9341H |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | QUAD LOW SIDE DRIVER |
| 中文描述： | 四路，低側(cè)驅(qū)動器 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大小： | 130K |
| 代理商： | L9341H |
Bit Nr.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Name
F11
F12
F21
F22
F31
F32
F41
F42
RES1
RES2
TSDF
C1
C2
C3
C4
1
Contents
COMP1 State at Positive Edge of PWM1 (0: V
out1
> V
flyth
; 1: V
out1
< V
flyth
)
COMP2 State at Negative Edge of PWM1 (1: V
out1
> V
offth
; 0 : V
out1
< V
ofth
)
COMP1 State at Positive Edge of PWM2 (0: V
out2
> V
flyth
; 1: V
out2
< V
flyth
)
COMP2 State at Negative Edge of PWM2 (1: V
out2
> V
ofth
; 0 : V
out2
< V
ofth
)
COMP1 State at Positive Edge of PWM3 (0: V
out3
> V
flyth
; 1: V
out3
< V
flyth
)
COMP2 State at Negative Edge of PWM3 (1: V
out3
> V
offth
; 0 : V
out3
< V
ofth
)
COMP1 State at Positive Edge of PWM4 (0: V
out4
> V
flyth
; 1: V
out4
< V
flyth
)
COMP2 State at Negative Edge of PWM4 (1: V
out4 > Voffth
; 0 : V
out4
< V
ofth
)
Logic State of RES1 Input (0: RES1 = L ; 1: RES1 = H)
Logic State of RES2 Input (0: RES2 = L ; 1: RES2 = H)
Thermal Diagnostic Flag ( 0: Overtemperature ; 1:Normal )
Current at Negative Edge of PWM1 ( 0: I
out
> I
outl
; 1: I
out
< I
outl
)
Current at Negative Edge of PWM2 ( 0: I
out
> I
outl
; 1: I
out
< I
outl
)
Current at Negative Edge of PWM3 ( 0: I
out
> I
outl
; 1: I
out
< I
outl
)
Current at Negative Edge of PWM4 ( 0: I
out
> I
outl
; 1: I
out
< I
outl
)
Framing Information (always 1)
Figure7:
DiagnosticInformation from QLSD to Microcontroller.
PWM
VOUT
PWM
VOUT
ID
tC
tV
dPO
PWMON
min
t
t
Sample point COMP2
Sample point COMP1
dPO
t
tV
PWMOFF
min
t
Sample point COMP2
Sample point COMP1
Fig. A
Fig. B
Figure8.
Note:
For saftydiagnostic take notice of the following conditions:
t
PWMON
≥
t
dPOMAX
+ t
C
+ t
V
(see Fig. A)
t
C
=
I
D
S
OCMIN
t
V
=
V
outfmax
S
OVMIN
t
PWMOFF
≥
t
dPOMAX
+ t
V
(see Fig. B)
L9341
7/10
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