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VND5050AJ-E Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce VND5050AJ-E
Description  Double channel high side driver with analog current sense for automotive applications
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VND5050AJ-E Fiches technique(HTML) 1 Page - STMicroelectronics

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April 2006
Rev 2
1/26
26
VND5050AJ-E
VND5050AK-E
Double channel high side driver with analog current sense
for automotive applications
Features
General
(*) Typical value with all loads connected
Application
All types of resistive, inductive and capacitive loads
Suitable as LED driver
Main
Inrush current active management by power
limitation
Very low stand-by current
3.0V CMOS compatible input
Optimized electromagnetic emission
Very low electromagnetic susceptibility
In compliance with the 2002/95/ec european
directive
Diagnostic Functions
Proportional load current sense
High current sense precision for wide range
currents
Current sense disable
Thermal shutdown indication
Very low current sense leakage
Protections
Undervoltage shut-down
Overvoltage clamp
Load current limitation
Self limiting of fast thermal transients
Protection against loss of ground and loss of
VCC
Thermal shut down
Reverse battery protection (see Figure 24)
Electrostatic discharge protection
Description
The VND5050AJ-E, VND5050AK-E is a monolithic
device made using STMicroelectronics VIPower
M0-5 technology. It is intended for driving resistive
or inductive loads with one side connected to
ground. Active VCC pin voltage clamp protects the
device against low energy spikes (see ISO7637
transient compatibility table).
This device integrates an analog current sense
which delivers a current proportional to the load
current (according to a known ratio) when
CS_DIS is driven low or left open.
When CS_DIS is driven high, the CURRENT
SENSE pin is in a high impedance condition.
Output current limitation protects the device in
overload condition. In case of long overload
duration, the device limits the dissipated power to
safe level up to thermal shut-down intervention.
Thermal shut-down with automatic restart allows
the device to recover normal operation as soon as
fault condition disappears..
PowerSSO-24
PowerSSO-12
Order codes
Max supply voltage
VCC
41V
Operating voltage range
VCC
4.5 to 36V
Max On-State resistance (per ch.)
RON
50 m
Current limitation (typ)
ILIMH
18 A
Off state supply current
IS
2
µA(*)
Package
Part number (Tube)
Part number (Tape & Reel)
PowerSSO-12
VND5050AJ-E
VND5050AJTR-E
PowerSSO-24
VND5050AK-E
VND5050AKTR-E
www.st.com


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