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L9678P Datasheet(PDF) 190 Page - STMicroelectronics

Part # L9678P
Description  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P Datasheet(HTML) 190 Page - STMicroelectronics

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Electrical characteristics
L9678P, L9678P-S
190/216
DS11626 Rev 9
11
ILKG_SF_ON
SF leakage
current
Device ON,
VRESDIAG = VSSxy = 35 V,
SFx = 0V-35 V
-50
-
50
µA
12
ILKG_SF_OFF
Device OFF,
VRESDIAG = open, VSSxy =
open but all SSxy pins
connected, SEx = 0 V - 35 V
-50
-
50
µA
13
ILKG_SR_ON
SR leakage
current
Device ON,
VRESDIAG = VSSxy = 35 V,
SFx = 0V-35 V
-
-
50
µA
14
ILKG_SR_OFF
Device OFF,
VRESDIAG = open,
VSSxy = open but all SSxy pins
connected, SEx = 0 V - 35 V
-
-
50
µA
15
LDEPL
Load Inductance
Maximum load inductance
Design Information(2)
0
-
60
µH
16
CSFx
Load
capacitance
Maximum capacitance to GND
Design Information
13
-
455
nF
17
CSRx
13
-
455
nF
18
CSSxy
SSxy
capacitance
Maximum capacitance to GND
connected directly to SSxy pin
Design Information
-
-
10
nF
19
RSFLx
Load Impedance Design Information
-
-
6.5
Ω
20
-
Wire Length
Squib/pyroswitch Loops
containing a clockspring shall be
limited to a maximum length of
3m
1
-
10
m
21
RWirex
Wire resistance
Design information
16.8
-
63.4 mΩ/m
22
LWirex
Wire Inductance Design Information
0.6
-
1.8
µH/m
23
RCSx
Clock spring
resistance
Maximum number of clock
springs is 3 for any IC
Design Information
0
-
0.7
Ω
24
LCSx
Clock spring
inductance
Design Information
0
-
42.9
µH
25
kL_CS1 – L_CS2
Clocks pring
coupling
Design Information
0.739
-
0.903
-
26
LEMI
Squib/pyroswitch
EMI protection
Design Information
0
-
7.7
µH
1. In case of an unsupplied device and shorted deployment pins (e.g. to battery voltage), the dynamic reverse current through
the high side power stage depends on CSSxy.
Table 47. Deployment drivers - DC specifications (continued)
N°
Symbol
Parameter
Condition
Min.
Typ. Max. Unit



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