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L9678P Datasheet(PDF) 172 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) 172 Page - STMicroelectronics

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Applications
L9678P, L9678P-S
172/216
DS11626 Rev 9
15.2
BOM (Bill Of Materials)
The following table summarizes the suggested BOM valid for both applications.
Table 13.Bill Of Materials
Component
Min.
Typ.
Max.
Unit
Requirement
Note
C1
-
100
-
nF
50 V
Input capacitor (unprotected battery)
C2
-
2.2
-
μF
50 V
Input capacitor (protected battery)
C3
-
2.2
15
μF
50 V
ER Boost input capacitor
C4
-
100
-
nF
50 V
ER Boost ceramic output capacitor
C5
-
100
-
μF
50 V
ER Boost electrolytic output capacitor
C6
-
10
-
nF
25 V
VBATMON capacitor
C7
-
100
-
nF
50 V
VDD5 input capacitor
C8
-
10
-
μF
35 V
VDD5 output capacitor
C9
-
10
-
μF
35 V
VDD3V3 output capacitor
C10
-
100
-
nF
50 V
CVDD output capacitor
C11
-
100
-
nF
50 V
VSUP input capacitor
C12
-
10
-
μF
35 V
VSUP output capacitor
C13, C14
-
3.3
-
nF
25 V
RSUx capacitor
C15
2.2
-
4.7
mF
35 V
ER capacitor
C16
-
10
-
nF
25 V
VSF capacitor (near device)
C17
-
10
-
nF
25 V
VSF capacitor (near Safing FET gate)
C18, C19
-
-
10
nF
25 V
SSxy capacitor
C20, C21,
C22, C23
13
22
455
nF
25 V
SFx capacitor
C24, C25,
C26, C27
13
22
455
nF
25 V
SRx capacitor
C28, C29,
C30, C31
-
22
-
nF
25 V
DCSx capacitor
D1
-
2
-
A
-
Reverse battery protection
D2
-
1
-
A
-
ER Boost diode
D3
-
1
-
A
-
WAKEUP diode
D4
-
1
-
A
-
ISO9141 pull-up diode
D5
-
12
-
V
-
Safing FET Zener diode
D6
-
-
250
mA
-
VSF diode (reverse protection)
D7, D8
-
1
-
A
-
SSxy diode
D9
-
15
-
V
-
WDT/TM Zener diode
L1
-
10
-
μH
1 A
ER Boost inductor
R1
-
0.43
-
Ω
1 W
Current limit resistor



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