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STMicroelectronics Electronic Components Datasheet

VNQ5E050AK-E Datasheet

Quad channel high-side driver

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VNQ5E050AK-E
Quad channel high-side driver with analog current sense
for automotive applications
Features
Max supply voltage
VCC
41 V
Operating voltage range
VCC 4.5 to 28 V
Max on-state resistance (per ch.) RON 50 m
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
– 3.0 V CMOS compatible inputs
– Optimized electromagnetic emissions
– Very low electromagnetic susceptibility
– Compliance with European directive
2002/95/EC
– Very low current sense leakage
Diagnostic functions
– Proportional load current sense
– High current sense precision for wide
currents range
– Current sense disable
– Off-state open-load detection
– Output short to VCC detection
– 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)
PowerSSO-24
– Reverse battery protected
– Electrostatic discharge protection
Application
All types of resistive, inductive and capacitive
loads
Suitable as LED driver
Description
The VNQ5E050AK-E is a quad channel high-side
driver manufactured using ST proprietary
VIPower™ M0-5 technology and housed in
PowerSSO-24 package. The device is designed
to drive 12 V automotive grounded loads, and to
provide protection and diagnostics. It also
implements a 3 V and 5 V CMOS compatible
interface for the use 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 overvoltage active clamp.
A dedicated analog current sense pin is
associated with every output channel providing
enhanced diagnostic functions including fast
detection of overload and short-circuit to ground
through power limitation indication,
overtemperature indication, short-circuit to VCC
diagnosis and on-state and off-state open-load
detection. The current sensing and diagnostic
feedback of the whole device can be disabled by
pulling the CS_DIS pin high to share external
sense resistor with similar devices.
September 2013
Doc ID 13519 Rev 7
1/37
www.st.com
1


STMicroelectronics Electronic Components Datasheet

VNQ5E050AK-E Datasheet

Quad channel high-side driver

No Preview Available !

Contents
Contents
VNQ5E050AK-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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 24
3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 24
3.1.2 Solution 2: diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . 25
3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.3 MCU I/Os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.4 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.4.1 Short to VCC and off-state open-load detection . . . . . . . . . . . . . . . . . . 27
3.5 Maximum demagnetization energy (VCC = 13.5 V) . . . . . . . . . . . . . . . . . 28
4 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.1 PowerSSO-24 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.1 ECOPACK® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.2 PowerSSO-24 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.3 Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
2/37 Doc ID 13519 Rev 7


Part Number VNQ5E050AK-E
Description Quad channel high-side driver
Maker STMicroelectronics
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