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PDF VN5E010AH Data sheet ( Hoja de datos )

Número de pieza VN5E010AH
Descripción High Side Switches
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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VN5E010AH
10 mΩ high-side driver with analog current sense
for automotive applications
Features
Max supply voltage
VCC
Operating voltage range
VCC
Typ. ON-state resistance
RON
Current limitation (typ)
ILIMH
OFF-state supply current
IS
1. Typical value with all loads connected
41 V
4.5 V to 28 V
10 mΩ
85 A
2 µA(1)
General
– Inrush current active management by
power limitation
– Very low standby current
– 3 V 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
current 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
Protection
– Undervoltage shutdown
– Overvoltage clamp
– Load current limitation
– Self limiting of fast thermal transients
– Protection against loss of ground and loss
of VCC
– over-temperature shutdown with
autorestart (thermal shutdown)
– Reverse battery protection with self switch
on of the Power MOSFET (see Figure 32)
– Electrostatic discharge protection
Applications
All types of resistive, inductive and capacitive
loads
Suitable as LED driver
Description
The VN5E010AH is a single-channel high-side
driver manufactured in the ST proprietary
VIPower M0-5 technology and housed in the tiny
HPAK package. The VN5E010AH is designed to
drive 12 V automotive grounded loads delivering
protection, diagnostics and easy 3 V and 5 V
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, over-temperature shut-off with auto-
restart and overvoltage active clamp. A dedicated
analog current sense pin is associated with every
output channel in order to provide ehnanced
diagnostic functions including fast detection of
overload and short-circuit to ground through
power limitation indication, over-temperature
indication, short-circuit to Vcc diagnosis and
ON- 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 allow sharing of the external
sense resistor with other similar devices.
July 2009
Doc ID 15984 Rev 1
1/37
www.st.com
1

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VN5E010AH pdf
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Block diagram and pin configuration
1 Block diagram and pin configuration
Figure 1. Block diagram
Signal Clamp
Undervoltage
IN
CS_
DIS
CS
LOGIC
Control & Diagnostic
Power
Clamp
DRIVER
Over
temp.
Current
Limitation
VON
Limitation
OFF State
Open load
VSENSEH
Current
Sense
OVERLOAD PROTECTION
(ACTIVE POWER LIMITATION)
Reverse
Battery
Protection
VCC
GND
OUT
Table 1. Pin functions
Name
Function
VCC
OUT
Battery connection
Power output (1)
GND
Ground connection
IN
Voltage controlled input pin with hysteresis, CMOS compatible. Controls output
switch state
CS Analog CS pin, delivers a current proportional to the load current
CS_DIS
Active high CMOS compatible pin, to disable the CS pin
1. Pins 1 and 7 must be externally tied together.
Doc ID 15984 Rev 1
5/37

5 Page





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Electrical specifications
Table 9. Current sense (8 V < VCC < 18 V)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
K0
K1
dK1/K1(1)
K2
dK2/K2(1)
K3
dK3/K3(1)
ISENSE0
IOL
IOUT/ISENSE
IOUT = 0.25 A; VSENSE = 0.5 V
Tj = -40 °C to 150 °C
Tj = 25 °C to 150 °C
IOUT/ISENSE
IOUT = 6 A; VSENSE = 0.5 V
Tj = -40 °C to 150 °C
Tj = 25 °C to 150 °C
Current sense ratio drift
IOUT = 6 A; VSENSE = 0.5 V;
VCSD=0V;
Tj = -40 °C to 150 °C
IOUT/ISENSE
IOUT = 10 A; VSENSE = 4 V
Tj = -40 °C to 150 °C
Tj = 25 °C to 150 °C
Current sense ratio drift
IOUT = 10 A; VSENSE= 4 V;
VCSD = 0 V;
Tj = -40 °C to 150 °C
IOUT/ISENSE
IOUT = 25 A; VSENSE = 4 V
Tj = -40 °C to 150 °C
Tj = 25 °C to 150 °C
Current sense ratio drift
IOUT = 25 A; VSENSE= 4 V;
VCSD = 0 V;
Tj = -40 °C to 150 °C
IOUT = 0 A; VSENSE = 0 V;
VCSD = 5 V; VIN =0 V;
Tj = -40 °C to 150 °C
Analog sense leakage
current
IOUT = 0 A; VSENSE = 0 V;
VCSD = 0 V; VIN = 5 V;
Tj = -40 °C to 150 °C
IOUT = 2 A; VSENSE = 0 V;
VCSD = 5 V; VIN = 5 V;
Tj = -40 °C to 150 °C
Open load ON-state
current detection
threshold
VIN = 5 V, 8 V < VCC < 18 V
ISENSE = 5 µA
3000 7410 12000
3000 7410 11600
5350 6740 8500
5510 6740 7745
-15 15
5850 6570 7690
5800 6570 7195
-11 11
5915 6420 7000
5850 6420 6755
-8 8
01
02
1
5 80
%
%
%
µA
mA
Max analog sense
VSENSE output voltage
IOUT = 18 A; RSENSE = 3.9 kΩ 5
V
VSENSEH(2)
Analog sense output
voltage in fault condition
VCC = 13 V; RSENSE = 3.9 kΩ
8
V
ISENSEH(2)
Analog sense output
current in fault condition
VCC = 13 V; VSENSE = 5 V
9 mA
Doc ID 15984 Rev 1
11/37

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