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L9788 Datasheet(PDF) 250 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) 250 Page - STMicroelectronics

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Device behavior
L9788
250/264
DS12308 Rev 4
Figure 104. Overcurrent OVC permanent after VB present with KEY_IN high - unlimited retry
Figure 105. Overcurrent OVC removed before Tres activation with KEY_IN high and Overcurrent
OVC permanent in PHOLD
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 after VB present with KEY_IN high - unlimited retry
OVC
OVC
OVC
Key_Tfilter
I_LS_ovc_flt
T_res
T_res
I_LS_ovc_flt
V
UV_VB_CP_OFF
V
UV_VB_IN
SCENARIO 27 - MRD - Overcurrent
GADG1512161515PS
GADG1512161518PS
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 removed before Power On Reset with KEY_IN high
OVC
Key_Tfilter
I_LS_ovc_flt
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 in PHOLD
OVC
Key_Tfilter
I_LS_ovc_flt
V
UV_VB_CP_OFF
V
UV_VB_IN
V
UV_VB_CP_OFF
V
UV_VB_IN
V
UV_VB_CP_OFF
V
UV_VB_IN
SCENARIO 15 - MRD - Overcurrent
SCENARIO 16 - MRD - Overcurrent



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