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October 2014 DocID022469 Rev 10 1/48
VND7050AJ-E
Double channel high-side driver with MultiSense analog feedback
for automotive applications
Datasheet
-
production data
Features
• Automotive qualified
• General
– Double channel smart high side driver with
MultiSense analog feedback
– Very low standby current
– Compatible with 3 V and 5 V CMOS
outputs
• MultiSense diagnostic functions
– Multiplexed analog feedback of: load
current with high precision proportional
current mirror, V
CC
supply voltage and
T
CHIP
device temperature
– Overload and short to ground (power
limitation) indication
– Thermal shutdown indication
– Off-state open-load detection
– Output short to V
CC
detection
– Sense enable/ disable
• Protections
– Undervoltage shutdown
– Overvoltage clamp
– Load current limitation
– Self limiting of fast thermal transients
– Loss of ground and loss of V
CC
– Configurable latch-off on overtemperature
or power limitation with dedicated fault
reset pin
– Reverse battery with external components
– Electrostatic discharge protection
Applications
• All types of Automotive resistive, inductive and
capacitive loads
• Specially intended for Automotive Signal
Lamps (up to P27W or SAE1156 or LED Rear
Combinations)
Description
The VND7050AJ-E is a double channel high-side
driver manufactured using ST proprietary
VIPower
®
technology and housed in
PowerSSO-16 package. The device is designed
to drive 12 V automotive grounded loads through
a 3 V and 5 V CMOS compatible interface,
providing protection and diagnostics.
The device integrates advanced protective
functions such as load current limitation, overload
active management by power limitation and
overtemperature shutdown with configurable
latch-off.
A FaultRST
pin unlatches the output in case of
fault or disables the latch-off functionality.
A dedicated multifunction multiplexed analog
output pin delivers sophisticated diagnostic
functions including high precision proportional
load current sense, supply voltage feedback and
chip temperature sense, in addition to the
detection of overload and short circuit to ground,
short to V
CC
and off-state open-load.
A sense enable pin allows off-state diagnosis to
be disabled during the module low-power mode
as well as external sense resistor sharing among
similar devices.
Max transient supply voltage V
CC
40 V
Operating voltage range V
CC
4 to 28 V
Typ. on-state resistance (per Ch) R
ON
50 mΩ
Current limitation (typ) I
LIMH
30 A
Standby current (max) I
STBY
0.5 µA
GAPGCFT00327
PowerSSO-16
www.st.com
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