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L9788 Datasheet(PDF) 17 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) 17 Page - STMicroelectronics

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DS12308 Rev 4
17/264
L9788
Block diagram and pin description
263
6
LIN
LIN driver output
Power In/Out
-
7
VB_STBY
Standby function supply voltage
Supply
-
8
VSENSE4_MON
tracking sensor supply Monitor
Analog In
-
9
KEY_IN
Key signal input
Power In
-
10
WK_IN
wake up signal input
Power In
-
11
MRD
Main relay drivers outpour voltage
Power Out
-
12
INJ3
Injector Driver output voltage
Power Out
-
13
INJ34_PGND
Ground
GND
-
14
INJ4
Injector Driver output voltage
Power Out
-
15
STR1_DRN
Configurable high/low-side drain voltage
Power Out
-
16
STR1_SRC
Configurable high/low-side source voltage
Power Out
-
17
STR2_SRC
Configurable high/low-side source voltage
Power Out
-
18
STR2_DRN
Configurable high/low-side drain voltage
Power Out
-
19
STR3_DRN
Configurable high/low-side drain voltage
Power Out
-
20
STR3_SRC
Configurable high/low-side source voltage
Power Out
-
21
LED1
LED Driver output voltage
Power Out
-
22
LED2
LED Driver output voltage
Power Out
-
23
GND
Ground
GND
-
24
WDA
Watchdog output
Digital In/Out
-
25
RSTN
Reset output for VDD5
Digital Out
-
26
SEO_OUT
SEO output pin
Digital Out
-
27
VDD_IO
Dedicated supply for FLW_OUT,
MSC_DO,LIN_RX, CAN_RX
Supply
-
28
MSC_DO
MSC digital I/O voltage
Digital Out
-
29
INJ_ENA
Enable pin for injector driver
Digital In
-
30
EN_N
enable signals
Digital In
-
31
EN_P
enable signals
Digital In
-
32
IGN1
Ignition pre-driver output voltage
Power Out
-
33
IGN2
Ignition pre-driver output voltage
Power Out
-
34
RLY1
Relay Driver output voltage
Power Out
-
35
RLY2
Relay Driver output voltage
Power Out
-
36
INJ1
Injector Driver output voltage
Power Out
-
37
INJ1_PGND
Ground
GND
-
38
INJ2_PGND
Ground
GND
-
39
INJ2
Injector Driver output voltage
Power Out
-
Table 2. Pin function (continued)
Pin #
Name
Function
Type
Note



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