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L9678P датащи(PDF) 20 Page - STMicroelectronics

номер детали L9678P
подробное описание детали  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P датащи(HTML) 20 Page - STMicroelectronics

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Overview and block diagram
L9678P, L9678P-S
20/216
DS11626 Rev 9
Figure 2. Functional block diagram
SS23
SF0
SG01
Squib drivers
and
Diagnostic
Optional
L9678P-S
Vbat
VIN
ERBSTSW
VER
ERBOOST
VBatMon
VDD5
BSTGND
Safing
regulator
1mF to 10mF
BVDD5
VDD3V3
VSUP
BVSUP
VDDQ
VSF
VRESDIAG *
WAKEUP
VIgn
GPOD0
SS01
GNDD
GNDA
Enable
Control
Satellite Driver &
Decoder
Decoder
RSU0
ACL
FENL
GNDSUBx
GNDSUB2
Vbat
FENH
ARM
SS16
10
μH, 0.5
1A
100nF
4.7 F
3k
3k
RSU1
DCS0
DCS1
DCS2
DCS3
CVDD
100nF
SG23
SF1
SF2
SF3
SR0
SR1
SR2
SR3
22nF
22nF
GPOD1
GPOS0
GPOS1
4.7nF
361
10nF
uC_FLEN
22nF
510
100μF, 4
+ 100nF
4.7 F
4.7 F
BCP53
BCP53
22nF
VDD5
linear
regulator
VSUP
linear
regulator
Digital
block
VINT3V3
reg . for
analog
block
Digital
Outputs
CVDD reg for
digital block
VDD3V3
linear reg .
ER
Boost
ER Switch
ER Charge
GPO
drivers
supply
HV analog MUX
and
AtoD converter
(10 bits )
Enable
Control
DC / Hall sensor interface
ISO9141
transceiver
System control
&
configuration
Safing
Logic
100nF
2.2uF
2.2uF
0.47
GAPGPS01106
* VRESDIAG can be connected either to ERBOOST or VSUP or VIN.
L9678P-S



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