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L9945 Datasheet(PDF) 3 Page - STMicroelectronics

Part # L9945
Description  Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems
PDF  144 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9945 Datasheet(HTML) 3 Page - STMicroelectronics

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1
Block diagram
Figure 1. Block diagram
L9945
Power
Supply
Charge Pump
GADG2302170914PS
NON8
NON1
EN6
NDIS
DIS
NRES
GND
VPS
VDD5
GNDIO
NCS
SCK
SDO
SDI
VIO
PGND12
PGND34
PGND56
PGND78
BATT56
BATT34
SNGP7/8
GNSP7/8
DRN7/8
SNGP5/6
GNSP5/6
DRN5/6
SNGP3/4
GNSP3/4
DRN3/4
BATT78
BATT12
SNGP1/2
GNSP1/2
DRN1/2
GNDCP
CH4
CH3
CH2
CH1
VGBHI
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
LOGIC
SPI
Diagnostics
Channel
Temperature
Monitor
&
Battery
Watchdog
BIST
HWSC
&
L9945
Block diagram
DS12275 - Rev 10
page 3/144



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