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L9788 Datasheet(PDF) 19 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) 19 Page - STMicroelectronics

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DS12308 Rev 4
19/264
L9788
Block diagram and pin description
263
74
RSTcase
Reset output for VDDIO supply
Digital Out
-
75
GND
Ground
GND
-
76
Boost_G
Boost LS gate voltage
Power Out
-
77
VBAT_Sense
Battery supply voltage
Supply In
-
78
VB_IN
Battery supply voltage
Supply In
-
79
CP
Charge pump
Power Out
-
80
Buck_C_BST
Bootstrap capacitor pin
Power Out
-
81
Buck_SW
Buck switching pin
Power Out
-
82
VB_IN_SW
BUCK supply voltage
Power In
-
83
CURR_Sense_O2H2 O2heater drivers output current value
Analog Out
-
84
O2H2_PGNDB
Ground
GND
-
85
O2H2B
O2H2B Driver output voltage
Power Out
-
86
O2H2A
O2H2A Driver output voltage
Power Out
-
87
O2H2_PGNDA
Ground
GND
-
88
O2H1_PGNDB
Ground
GND
-
89
O2H1B
O2H1BDriver output voltage
Power Out
-
90
O2H1A
O2H1A Driver output voltage
Power Out
-
91
O2H1_PGNDA
Ground
GND
-
92
VDD_CAN
CAN Supply 5 V
Supply In
-
93
CURR_Sense_O2H1 O2heater drivers output current value
Analog Out
-
94
CANH
CANH output
Power In/Out
-
95
CANL
CANL output
Power In/Out
-
96
CAN_RX
CAN RX data output
Digital In/Out
-
97
GND
Ground
GND
-
98
CAN_TX
CAN TX data input
Digital In
-
99
VB_CAN
CAN enable signal
Supply In
-
100
GND_CAN
Ground CAN
GND
-
Table 2. Pin function (continued)
Pin #
Name
Function
Type
Note



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