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STMicroelectronics Electronic Components Datasheet

VNQ5E050MK-E Datasheet

Quad channel high-side driver

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VNQ5E050MK-E
Quad channel high-side driver with analog current sense
for automotive applications
Features
Max supply voltage
VCC 41V
Operating voltage range
VCC 4.5 to 28V
Max on-state resistance (per ch.) RON 50 mΩ
Current limitation (typ)
Off-state supply current
ILIMH
IS
27 A
2 µA(1)
1. Typical value with all loads connected.
General
– Inrush current active management by
power limitation
– Very low standby current
– 3.0V CMOS compatible inputs
– Optimized electromagnetic emissions
– Very low electromagnetic susceptibility
– In compliance with the 2002/95/EC
european directive
– Very low current sense leakage
Diagnostic functions
– Proportional load current sense
– High current sense precision for wide
www.DataSheet4Uc.cuormrents range
– Current sense disable
– Overload and short to ground (power
limitation) indication
– Thermal shutdown indication
Protections
– Undervoltage shutdown
– Overvoltage clamp
– Load current limitation
– Self limiting of fast thermal transients
– Protection against loss of ground and loss
of VCC
– Overtemperature shutdown with auto
restart (thermal shutdown)
– Reverse battery protected (see
Figure 29: Application schematic)
PowerSSO-24
– Electrostatic discharge protection
Applications
All types of resistive, inductive and capacitive
loads
Suitable as LED driver
Description
The VNQ5E050MK-E is a quad channel high-side
driver manufactured in the ST proprietary
VIPower M0-5 technology and housed in the tiny
PowerSSO-24 package. The VNQ5E050MK-E is
designed to drive 12V automotive grounded loads
delivering protection, diagnostics and easy 3V
and 5V CMOS compatible interface with any
microcontroller.
The device integrates advanced protective
functions such as load current limitation, inrush
and overload active management by power
limitation, overtemperature shut-off with
auto-restart and over-voltage active clamp.
A dedicated analog current sense pin is
associated with every output channel in order to
provide Enhanced diagnostic functions including
fast detection of overload and short-circuit to
ground through power limitation indication and
overtemperature indication.
The current sensing and diagnostic feedback of
the whole device can be disabled by pulling the
CS_DIS pin high to allow sharing of the external
sense resistor with other similar devices.
October 2009
Doc ID 16374 Rev 1
1/36
www.st.com
1


STMicroelectronics Electronic Components Datasheet

VNQ5E050MK-E Datasheet

Quad channel high-side driver

No Preview Available !

Contents
Contents
VNQ5E050MK-E
1 Block diagram and pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 23
3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 23
3.1.2 Solution 2: diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . 24
3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.3 MCU I/Os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.4 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.5 Maximum demagnetization energy (VCC =13.5V) . . . . . . . . . . . . . . . . . . 27
4 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.1 PowerSSO-24 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
www.DataS5heet4U.com Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.1 ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2 PowerSSO-24 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3 Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2/36 Doc ID 16374 Rev 1


Part Number VNQ5E050MK-E
Description Quad channel high-side driver
Maker STMicroelectronics
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