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L9949 fiches techniques PDF

STMicroelectronics - DOOR ACTUATOR DRIVER

Numéro de référence L9949
Description DOOR ACTUATOR DRIVER
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L9949 fiche technique
L9949
DOOR ACTUATOR DRIVER
s ONE FULL BRIDGE FOR 6A LOAD (ron = 150m)
s THREE HALF BRIDGES FOR 1.6A LOAD
(ron = 800m)
s ONE HIGHSIDE DRIVER FOR 6A LOAD
(ron = 100m)
s VERY LOW CURRENT CONSUMPTION IN
STANDBY MODE (IS < 6µA, typ. Tj 85°C)
s SERIAL PERIPHERAL INTERFACE (SPI) TO
MICROCONTROLLER
s ALL OUTPUTS SHORT CIRCUIT PROTECTED
s CURRENT MONITOR OUTPUT FOR FULL
BRIDGE AND HIGHSIDE DRIVER
s ALL OUTPUTS OVER TEMPERATURE
PROTECTED
s OPEN LOAD DIAGNOSTIC FOR ALL OUTPUTS
s OVERLOAD DIAGNOSTIC FOR ALL OUTPUTS
APPLICATIONS
s FOR AUTOMOTIVE APPLICATIONS, E.G.
MULTIPOWER BCD60III TECHNOLOGY
PowerSO20
ORDERING NUMBER: L9949
FULL BRIDGE FOR DOOR LATCH OR
MIRROR RETRACT, HALF BRIDGES FOR
MIRROR AXIS CONTROL AND HIGH-SIDE
DRIVER FOR MIRROR DEFROSTER
DESCRIPTION
The L9949 is a microprocessor controlled power in-
terface for automotive applications. It is realized in
multipower BCD60III technology. Up to three DC mo-
BLOCK DIAGRAM
VCC VS (battery)
CM
DI
DO
CLK
CSN
OUT1
Full bridge
OUT2
M
OUT3
Half bridge
OUT4
Half bridge
OUT5
M
M
e.g. for mirror retract
or door latch
e.g. for mirror
axis control
September 2002
OUT6
Highside driver
Ground
e.g. for mirror
defroster
1/20

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