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L9949 Scheda tecnica(PDF) 1 Page - STMicroelectronics

Il numero della parte L9949
Spiegazioni elettronici  DOOR ACTUATOR DRIVER
PDF  20 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9949 Scheda tecnica(HTML) 1 Page - STMicroelectronics

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L9949
September 20
13
s
ONE FULL BRIDGE FOR 6A LOAD (ron = 150mΩ)
s
THREE HALF BRIDGES FOR 1.6A LOAD
(ron = 800mΩ)
s
ONE HIGHSIDE DRIVER FOR 6A LOAD
(ron = 100mΩ)
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.
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-
PowerSO20
ORDERING NUMBER: L9949
DOOR ACTUATOR DRIVER
MULTIPOWER BCD60III TECHNOLOGY
BLOCK DIAGRAM
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
DI
DO
CLK
CSN
CM
Full bridge
Half bridge
Half bridge
Highside driver
M
M
M
Ground
e.g. for mirror retract
or door latch
e.g. for mirror
axis control
e.g. for mirror
defroster
V (battery)
S
V
CC
DocID
8808 Rev 4


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