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L9788 Datasheet(PDF) 251 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) 251 Page - STMicroelectronics

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DS12308 Rev 4
251/264
L9788
Device behavior
263
Figure 106. Overcurrent not permanent battery OVC not permanent before VB present with
WK_IN/WAKE_UP_EOT/CAN detection (scenario 17)
Figure 107. Overcurrent not permanent battery OVC not permanent before VB present with
WK_IN/WAKE_UP_EOT/CAN detection (scenario 18)
GADG1512161527PS
KEY_IN
WK_IN_DET
WAKE_UP_EOT_DET
WAKE_UP_CAN_DET
PHOLD
MRD out
FAULT
Internal OVC flag
VB_IN
Power On Reset
VPRE
t
OVC not permanent before VB present with WK_IN / WAKE_UP_EOT / CAN detection
OVC
I_LS_ovc_flt
T_res
T_res
I_LS_ovc_flt
I_LS_ovc_flt
T_res
OVC
OVC
NO FAULT
MRD_EN_TIMEOUT (500ms typ)
V
UV_VB_CP_OFF
V
UV_VB_IN
SCENARIO 17 - MRD - Overcurrent not permanent battery
KEY_IN
WK_IN_DET
WAKE_UP_EOT_DET
WAKE_UP_CAN_DET
PHOLD
MRD out
FAULT
Internal OVC flag
VB_IN
Power On Reset
VPRE
t
OVC permanent before VB present with WK_IN / WAKE_UP_EOT detection
OVC
I_LS_ovc_flt
T_res
T_res
I_LS_ovc_flt
I_LS_ovc_flt
T_res
OVC
OVC
OVC
MRD_EN_TIMEOUT (500ms typ)
SCENARIO 18 - MRD - Overcurrent not permanent battery
GADG1612160813PS



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