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L9680 Datasheet(PDF) 35 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) 35 Page - STMicroelectronics

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DS11615 Rev 7
35/286
L9680
Start-up and power control
285
Figure 8. Normal power down sequence through POWERMODE SHUTDOWN state -
no ER cap active discharge
VIN
WAKE UP
VINT
POR
ERBSTSW
ERBOOST
VER
VCC
RESET
SPI command
SYNCBOOST
SAT BCKSW
SATBUCK
VCCBCKSW
<1ms
>1ms
>10ms
COVRACT /
ERSWITCH
Enable
Vbat-Vdiode
VCC_UV
SYNCBSTSW
SPI_OFF
VBGOOD
VBAT _MON
VINT_UV
ER discharge by regulators
SPI_SLEEP
VINGOOD
VIN-Vdiode
GAPGPS02253



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