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L9680 Datasheet(PDF) 229 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  286 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 229 Page - STMicroelectronics

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DS11615 Rev 7
229/286
L9680
Applications
285
C55, C56,
C57, C58
-
3.3
-
nF
25 V
RSUx capacitor
C59, C60,
C61, C62
-
3.3
-
nF
25 V
WSSx capacitor
D1
-
2
-
A
-
Reverse battery protection
D2
-
1
-
A
-
ER Boost diode
D3
-
1
-
A
-
WAKEUP diode
D4
-
1
-
A
-
SYNC Boost diode
D5
-
12
-
V
-
Safing FET Zener diode
D6
-
-
250
mA
35V
VSF diode (reverse protection)
D7, D8,
D9, D10,
D11, D12
-
1
-
A
-
SSxy diode
D13
-
-
10
mA
15V
WDT/TM Zener diode
L1
-
10
-
μH
1 A
ER Boost inductor
L2
-
4.7
-
μH
1 A
SYNC Boost inductor
L3
-
4.7
-
μH
1 A
SAT Boost inductor
L4
-
4.7
-
μH
1 A
VCC Boost inductor
R1
-
0.43
-
Ω
1 W
Current limit resistor
R2
-
1
-
kΩ
100 mW
VBATMON current limit resistor
R3a
-
221
-
Ω
250 mW
Diagnostic resistor (R0805)
R3b
-
221
-
Ω
250 mW
Diagnostic resistor (R0805)
R4
-
1.5
-
kΩ
100 mW
Safing FET passive pull-up resistor
R5
-
22
-
kΩ
100 mW
External Safing FET enable resistor
R6
-
100
-
Ω
125 mW
Diagnostic resistor
R7, R8, R9,
R10, R11,
R12
-
4.7
-
kΩ
100 mW
Diagnostic resistor
R13
-
4.7
-
kΩ
100 mW
Safing FET enable resistor
R14
-
4.7
-
kΩ
100 mW
Safing FET pull-down resistor
R15
-
22
-
kΩ
100 mW
WDT/TM input resistor
Q1
-
60
-
A
60 V
External Safing FET (N-channel)
Q2
-
1
-
A
80 V
Safing FET diag enable switch
Q3
-
-
-
-
-
WDT/TM switch, see Section 10.4
U1
-
-
-
-
PUMD15
External Safing FET enable
Table 20.Bill OF Materials (continued)
Component
Min
Typ
Max
Unit
Requirement
Note



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