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L9679P Scheda tecnica(PDF) 35 Page - STMicroelectronics

Il numero della parte L9679P
Spiegazioni elettronici  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  279 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Scheda tecnica(HTML) 35 Page - STMicroelectronics

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DS11627 Rev 7
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L9679P
Start-up and power control
278
Figure 8. Normal power down sequence through POWERMODE SHUTDOWN state -
ER capactive discharge
VIN
WAKE UP
VINT
POR
ERBSTSW
ERBOOST
VER
VCC
RESET
SPI command
SYNCBOOST
SAT BCKSW
SATBUCK
VCCBCKSW
<1ms
>1ms
>10ms
ER_SWITCH
Enable
Vbat-Vdiode
VCC_UV
SYNCBSTSW
SPI_OFF
VBAT _MON
VINT_UV
ER discharge by regulators
SPI_SLEEP
VINGOOD
SPI_SYS_CTL
(ER_CUR_EN)=10
Vbat-Vdiode
ER discharge by 70mA
Current generator
VIN-Vdiode
VER_VBATMON_VTH
COVRACT
VIN-0.1V
GAPG0911151531PS



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