L9949 datasheet(1/20 Pages) STMICROELECTRONICS

Numer części	L9949

Szczegółowy opis	DOOR ACTUATOR DRIVER

PDF	20 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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L9949

September 2002

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

Highside driver

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

Podobny numer części - L9949

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STMicroelectronics	L9949	1Mb / 22P	for car body applications Oct-2013
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