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L9679P Datasheet(PDF) 230 Page - STMicroelectronics

No. de pieza L9679P
Descripción Electrónicos  Automotive advanced airbag IC for mid/high end applications
PDF  272 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 230 Page - STMicroelectronics

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Electrical characteristics
L9679P
230/272
DocID029275 Rev 1
9ILKG_ERBST_OFF
ERBOOST input current
ERBOOST=40V
Power-off or Sleep Mode
-5
-
+5
μA
10
ILKG_ERBST_ON
Active or Passive Mode
ERBoost reg. enabled
ERBSTSW > ERBoost >
VER
ER Charge OFF
VSF regulator OFF
Any GPO channel not
enabled
Guarantee by design
60
-
200
μA
11 ILKG_ERBST_ON_wGPO
Active or Passive Mode
ERBoost reg. enabled
ERBSTSW > ERBoost >
VER
ER Charge OFF
VSF regulator OFF
All GPO channel activated
1.5
-
2.4
mA
12
VERBST_OK
ERBOOST voltage
threshold
BST33V = 0
18
20
22
V
13
BST33V = 1
26
28
30
V
14
VERBST_OV
ERBOOST Over Voltage
threshold
SYS_CTL(ER_BST_V) = 0
22.6
-
25
V
15
SYS_CTL(ER_BST_V) = 1
31.65
-
35
V
16
VERBST_DIS_TH
Voltage difference
between VIN and
ERBOOST to deactivate
the ER Boost regulator
VIN – ERBOOST
1.6
2.2
2.5
V
17 VERBST_CLAMP_EN_TH
Voltage difference
between ERBSTSW and
ERBOOST to activate the
ER Boost CLAMP
VERBSTSW – VERBOOST
2.7
3.3
3.7
V
18
TJSD_ERBST
Thermal shutdown
-
150
175
190
°C
19
THYS_TSDERBST
-
5
10
15
°C
Table 35. ERBoost regulator DC specifications (continued)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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