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L9788 Datasheet(PDF) 255 Page - STMicroelectronics

Part # L9788
Description  Multifunction IC for automotive engine management system
PDF  264 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9788 Datasheet(HTML) 255 Page - STMicroelectronics

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DS12308 Rev 4
255/264
L9788
Device behavior
263
Figure 114. Overtemperature (not permanent fault) in not permanent battery Power on by KEY
detection
Figure 115. Overtemperature in not permanent battery Power on by WK_IN or
WAKE_UP_EOT/CAN detection
SCENARIO 27 - MRD overtemperature (not permanent fault) in not permanent battery
Power on by KEY detection
KEY_IN_DET
WK_IN_DET
WAKE_UP_EOT_DET
WAKE_UP_CAN_DET
PHOLD
MSC READ
MSC CMD (ON/OFF)
MRD out
FAULT
Internal OVT flag
VB_IN
VUV_VB_CP_OFF
UV_VB_IN
V
Power On Reset
VDD
t
off
on
on
off
on
off
on
off
on
OVT
ovt_flt
OVT
OVT
OVT
GADG1612160954PS
GADG1612161123PS
KEY_IN_DET
WK_IN_DET
WAKE_UP_EOT_DET
WAKE_UP_CAN_DET
PHOLD
MSC READ
MSC CMD (ON/OFF)
MRD out
FAULT
Internal OVT flag
VB_IN
Power On Reset
VPRE
t
SCENARIO 28 - MRD overtemperature in not permanent battery
Power on by WK_IN or WAKE_UP_EOT/CAN detection
Off
On
OVT
ovt_flt
OVT



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