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L9690 Datasheet(PDF) 4 Page - STMicroelectronics

Part # L9690
Description  Automotive 12 channels chip for advanced airbag applications
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9690 Datasheet(HTML) 4 Page - STMicroelectronics

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1.2
Pin description
Figure 2. Device pinout
Table 1. Pin function
Pin #
Pin name
Description
I/O type
Class
1
VBATMON
Battery monitor for wake up
I
Global
2
VBATSENSE
Battery sense input
I
Global
3
VIN
Battery input voltage
S
Global
4
WAKEUP
Wake-up control input
I
Global
5
AGND
Analog ground
S
Local
6
ERDCHSW
Energy reserve discharge path
O
Local
7
ERBST
Energy reserve boost output voltage
S
Local
8
ERCHSW
Energy reserve charge path
O
Local
9
SYSBST
System boost output voltage
S
Local
10
SATBCKSW
Satellite buck switching output
O
Local
11
SATBCKGND
Satellite buck ground
S
Local
12
SPI_MISO_RS
Remote sensor SPI data out/snooping input
I/O
Local
13
SPI_MOSI_RS
Remote sensor SPI data in
I
Local
14
SPI_SCLK_RS
Remote sensor SPI clock
I
Local
L9690
Pin description
DB4806 - Rev 2
page 4/24



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