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PDF VN5E160AS-E Data sheet ( Hoja de datos )
| Número de pieza | VN5E160AS-E | |
| Descripción | High Side Switches | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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VN5E160AS-E
Single channel high side driver with analog
for automotive applications
Features
Max supply voltage
Operating voltage range
Max ON-state resistance
(per ch.)
VCC
41 V
VCC 4.5 V to 28 V
RON 160 mΩ
Current limitation (typ)
OFF-state supply current
ILIMH
IS
10 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 emission
– 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-precision current sense for
wide-range currents
– Current sense disable
– OFF-state open-load detection
– Output short to VCC detection
– Overload and short to ground
(power limitation) 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
autorestart (thermal shutdown)
SO-8
– Reverse battery protected (see Figure 32)
– Electrostatic discharge protection
Application
■ All types of resistive, inductive and capacitive
loads
■ Suitable as LED driver
Description
The VN5E160AS-E is a single-channel high-side
driver manufactured in the ST proprietary
VIPower M0-5 technology and housed in the tiny
SO-8 package. The VN5E160AS-E 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, overtemperature 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,
overtemperature indication, short-circuit to VCC
diagnosis and ON & 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.
April 2009
Doc ID 15609 Rev 1
1/37
www.st.com
1
1 page  
www.DataSVhNee5t4EU1.c6o0mAS-E
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)
VCC
OUT
GND
Table 1. Pin function
Name
Function
VCC
OUT
GND
IN
Battery connection.
Power output.
Ground connection. Must be reverse battery protected by an external
diode/resistor network.
Voltage-controlled input pin with hysteresis, CMOS compatible. Controls output
switch state.
CS Analog current sense pin, delivers a current proportional to the load current.
CS_DIS
Active high CMOS compatible pin, to disable the current sense pin.
Doc ID 15609 Rev 1
5/37
5 Page 
www.DataSVhNee5t4EU1.c6o0mAS-E
Electrical specifications
Table 9. Current sense (8 V < VCC < 18 V)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
K0 IOUT/ISENSE
IOUT = 0.025 A, VSENSE = 0.5 V 265 490 715
Tj = -40 °C to 150 °C
K1 IOUT/ISENSE
IOUT = 0.35 A, VSENSE = 0.5 V
Tj = -40 °C to 150 °C
355 465 575
Tj = 25 °C to 150 °C
385 465 545
dK1/K1(1)
Current sense ratio drift IOUT =0.35 A, VSENSE = 0.5 V
Tj = -40 °C to 150 °C
-11
+11
K2 IOUT/ISENSE
IOUT = 0.5 A, VSENSE = 4 V
Tj = -40 °C to 150 °C
Tj = 25 °C to 150 °C
380 455 530
400 455 510
dK2/K2(1)
Current sense ratio drift IOUT = 0.5 A;
Tj = -40 °C to 150 °C
-8 +8
K3 IOUT/ISENSE
IOUT = 1.5 A, VSENSE = 4 V
Tj = -40 °C to 150 °C
Tj = 25 °C to 150 °C
420 455 490
420 455 480
dK3/K3(1)
Current sense ratio drift IOUT = 1.5 A;
Tj = -40 °C to 150 °C
-4 +4
IOUT = 0 A, VSENSE = 0 V,
VCSD = 5 V, VIN = 0 V,
Tj = -40 °C to 150 °C
0
1
ISENSE0
Analog sense leakage
current
IOUT = 0 A, VSENSE = 0 V,
VCSD = 0 V, VIN = 5 V,
Tj = -40 °C to 150 °C
0
2
IOUT = 1 A, VSENSE = 0 V,
VCSD = 5 V, VIN = 5 V,
Tj = -40 °C to 150 °C
0
1
Max analog sense
VSENSE output voltage
RSENSE = 10 KΩ
IOUT = 1 A;
5
%
%
%
µA
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
Delay response time
tDSENSE1H from falling edge of
CS_DIS pin
VSENSE < 4 V,
0.025 A < IOUT < 1.5 A
ISENSE = 90% of ISENSE max
(see Figure 4)
Delay response time
tDSENSE1L from rising edge of
CS_DIS pin
VSENSE < 4 V,
0.025 A < IOUT < 1.5 A
ISENSE = 10% of ISENSE max
(see Figure 4)
9 mA
40 100 µs
5 20 µs
Doc ID 15609 Rev 1
11/37
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet VN5E160AS-E.PDF ] | |
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