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L9679E Datasheet(PDF) 4 Page - STMicroelectronics

Part # L9679E
Description  Automotive battery cut-off circuit and airbag system expansion IC
PDF  124 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679E Datasheet(HTML) 4 Page - STMicroelectronics

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2
Operative maximum ratings
Within the operating ratings the part operates as specified and without parameter deviations. Once taken beyond
the operative ratings and returned back within, the part will recover with no damage or degradation.
Additional supply voltage and temperature conditions are given separately at the beginning of each specification
table.
Table 4. Operative maximum ratings
Pin name
Pin function
Min
Max
Unit
SR4
Squib/Pyroswitch 4 low-side pin
-0.1
SS45
V
SF4
Squib/Pyroswitch 4 high-side pin
-1.0
SS45
V
SG45
Squib/Pyroswitch 4 & 5 ground pin
-0.1
0.1
V
SS45
Squib/Pyroswitch 4 & 5 deployment supply pin
-0.1
35
V
SF5
Squib/Pyroswitch 5 high-side pin
-1.0
SS45
V
SR5
Squib/Pyroswitch 5 low-side pin
-0.1
SS45
V
SR0
Squib/Pyroswitch 0 low-side pin
-0.1
SS01
V
SF0
Squib/Pyroswitch 0 high-side pin
-1.0
SS01
V
SG01
Squib/Pyroswitch 0 & 1 ground pin
-0.1
+0.1
V
SS01
Squib/Pyroswitch 0 & 1 deployment supply pin
-0.1
35
V
SF1
Squib/Pyroswitch 1 high-side pin
-1.0
SS01
V
SR1
Squib/Pyroswitch 1 low-side pin
-0.1
SS01
V
RSU0
PSI-5 ch. 0 remote sensor output
-1
VRSU_SYNC_MAX
V
RSU1
PSI-5 ch. 1 remote sensor output
-1
VRSU_SYNC_MAX
V
VSAT
SAT input voltage
-0.1
10
V
VSYNC
SYNC input voltage
-0.1
35
V
GNDA
Analog ground
-0.1
0.1
V
FEN1
Arming input 1
-0.1
VCC+0.1 ≤ 5.5
V
FEN2
Arming input 2
-0.1
VCC+0.1 ≤ 5.5
V
SATSYNC
Initiate Satellite Sensor Sync Pulse
-0.1
VCC+0.1 ≤ 5.5
V
RESET_N
Reset input
-0.1
VCC+0.1 ≤ 5.5
V
TEST
Test mode input pin
-0.1
15
V
RSU2
PSI-5 ch. 2 remote sensor output
-1
VRSU_SYNC_MAX
V
RSU3
PSI-5 ch. 3 remote sensor output
-1
VRSU_SYNC_MAX
V
SR3
Squib/Pyroswitch 3 low-side pin
-0.1
SS23
V
SF3
Squib/Pyroswitch 3 high-side pin
-1.0
SS23
V
SS23
Squib/Pyroswitch 2 & 3 deployment supply pin
-0.1
35
V
SG23
Squib/Pyroswitch 2 & 3 ground pin
-0.1
+0.1
V
SF2
Squib/Pyroswitch 2 high-side pin
-1.0
SS23
V
SR2
Squib/Pyroswitch 2 low-side pin
-0.1
SS23
V
SR7
Squib/Pyroswitch 7 low-side pin
-0.1
SS67
V
SF7
Squib/Pyroswitch 7 high-side pin
-1.0
SS67
V
SS67
Squib/Pyroswitch 6 & 7 deployment supply pin
-0.1
35
V
L9679E
Operative maximum ratings
DS12485 - Rev 5
page 4/124



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