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VN410 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. VN410
Description  SMART DIRECTION INDICATOR 2 CHANNEL DRIVERS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VN410 Datasheet(HTML) 1 Page - STMicroelectronics

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VN410
SMART DIRECTION INDICATOR
2 CHANNEL DRIVERS
March 1998
MULTIWATT-15
Order Codes :
(vertical)
(In Line)
VN410
VN410(012Y)
BLOCK DIAGRAM
T YPE
VDSS(c l)
In (9 )Ron
VN410
60V
4.8 A
0. 07
s
LOAD CURRENT UP TO 15A PER CHANNEL
s
OVER VOLTAGE PROTECTION
s
UNDER VOLTAGE PROTECTION
s
DOUBLE FLASHING FREQUENCY IN LOW
LOAD CONDITION
s
CYCLE BY CYCLE POWER LIMITATION
s
BUZZER DRIVER
s
TRAILER INDICATION
DESCRIPTION
The VN410 is a monolithic device made using
SGS-THOMSON
Vertical
Intelligent
Power
Technology, integrating all the features needed to
implement
a
complete
automotive
flashing
system.
This device has two identical power channels, so
the informations are are specified for only one. Rt,
Ct pins are connected to an external R, C
network which fixes the flashing frequency. LDIR,
RDIR direction inputs activate the corresponding
output (or none). EM inputs turns on both power
outputs for emergency flashing, which is reflected
by flashing red LED connected to LEDEM output.
AL input can be connected to an anti-theft alarm
system, making both power outputs flashing. In
case of low load (burned lamp) buzzer frequency
and outputs flashing will double, thus indicating a
fault condition (direction mode only).
In case of overloading of the power outputs,
built-in-thermal shutdown circuits will reduce duty
cycle
so
as
to
keep
maximum
junction
temperature within
safe
limits.
Rol
pin
is
connected to an external resistor to detect a
burned lamp and a trailer connection. LEDT is
connected to an external green LED which
indicates the trailer connection.
In (9) : ISO definition nominal current for high side automotive
switches.
1/11


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