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參數(shù)資料
| 型號： | L9947 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | QUAD HALF-BRIDGE AND SINGLE HIGH-SIDE DRIVER |
| 中文描述： | 四半橋及單高邊驅(qū)動器 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 115K |
| 代理商： | L9947 |
Output Activating/writeTable 1
Status
1
CSN R/WN MODE
1
X
D0
X
D1
X
D2
X
D3 OUT1 OUT2 OUT3 OUT4 OUT5
X
AB
AB
FUNCTION
X
AB
AB
AB
Hold output behavious as
programmed before
AllOutputs,Standbymode
M1, right
M1, left
M2, right
M2, left
M3, right
M3, left
Braking
High side driver
2
3
4
5
6
7
8
9
_
_
_
_
_
_
_
_
_
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
1
0
1
0
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
1
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SRC
SNK
T
T
T
T
SNK
T
SNK
SRC
SNK
SRC
SNK
SRC
SNK
T
SRC
SNK
T
T
SNK
T
SRC
SNK
SNK
T
10
SRC
Notes:
Where CSN = 0 the device is (for t
≤
100
μ
s) transparent, in this condition any changeof Data D0 .... D3
will lead to the apprpriate output response.
Deselectingthe circuit (CSN
) the last programmed status will be stored.
Diagnostic/ read.Table 2:
In readout modes the port D0 .... D3 is actingas an outputshowingthe conditionsdetected before.
Status
11
12
13
14
15
CSN
_
_
_
_
_
R/WN
1
1
1
1
1
MODE
0
1
1
1
1
D0
D1
D2
D3
Function
OUT2,
Nofailure,
OVC1,
OVC2,
OVV
or OVV + OVC1
or OVV + OVC2
OUT1
0
1
0
1
OUT2
0
0
1
1
OUT3
OT
OT
OT
OT
OUT4
OUT5
OUT5
OUT5
OUT5
OUT1,
OUT3,
OT,
OT,
OT,
OT,
OUT4;
OUT5;
OUT5;
OUT5;
OUT5;
Diagnostic/ write. Table 3:
Diagnostic modes are used to check the load status for broken or shortedwires.
Status CSN R/WN MODE D0 D1 D2 D3 OUT1
16
_
0
1
OUT2
T
OUT3
T
OUT4
140mA
SRC
140mA
SNK
140mA
SRC
OUT5
T
Function
0
1
0
X
T
17
_
0
1
1
0
0
X
T
T
T
T
I
s
+I
cc
≤
1mA for I
OUT4
= 0
18
_
0
1
0
1
1
X
10mA
SNK
10mA
SNK
10mA
SNK
10mA
SRC
Standby and clear/ write.Table 4:
Status CSN R/WN MODE D0 D1 D2 D3 OUT1
19
_
0
0
20
0
X
X
OUT2
T
T
OUT3
T
T
OUT4
T
T
OUT5
T
T
Function
Clear
1
X
1
X
1
X
1
X
T
T
Clear, Static CSN = 0 will
force clear status and
standby after 100
μ
s
without respect of data
inputs
Symbols:
1:
Logic High
0:
Logic Low
T:
Tristate
X:
Don’t care
AB:
As before
_
Low pulse t < 100
μ
s
SRC:
Source
SNK:
Sink
OT:
Overtemperature
OVC1:
Overcurrent 1
OVC2:
Overcurrent 2
OVV:
Overvoltage
OUTX:
- High if output voltage
was >0.6V
s
during test
- Low if output voltage
was < 0.4V
s
during test
L9947
6/13
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| L9949TR | 功能描述:功率驅(qū)動器IC Door Actuator RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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