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PDF VND5025AK-E Data sheet ( Hoja de datos )

Número de pieza VND5025AK-E
Descripción Double channel high side driver
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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No Preview Available ! VND5025AK-E Hoja de datos, Descripción, Manual

VND5025AK-E
Double channel high side driver with analog
current sense for automotive applications
www.DataSheet4U.com
Features
Max transient supply voltage
Operating voltage range
Max On-State resistance (per ch.)
Current limitation (typ)
Off state supply current
VCC 41V
VCC 4.5 to 36V
RON 25 m
ILIMH
IS
41 A
2 µA(1)
1. Typical value with all loads connected
Main
– In-rush 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
– Package: ECOPACK®
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
Protection
– 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
– Electrostatic discharge protection
PowerSSO-24™
Description
The VND5025AK-E is a monolithic device made
using STMicroelectronics VIPower M0-5
technology, intended for driving resistive or
inductive loads with one side connected to
ground, and suitable for driving LEDs.
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.
Table 1. Device summary
Package
PowerSSO-24™
Tube
VND5025AK-E
Tape and Reel
VND5025AKTR-E
May 2007
Rev 2
1/31
www.st.com
1

1 page




VND5025AK-E pdf
VND5025AK-E
Block diagram and pin description
1 Block diagram and pin description
Figure 1. Block diagram
GND
INPUT1
INPUT2
VCC
CLAMP
LOGIC
UNDERVOLTAGE
PwCLAMP 1
DRIVER 1
ILIM 1
PwrLIM 1
VDSLIM 1
OVERTEMP. 1
IOUT1
K1
CS_DIS
PwrLIM 2
PwCLAMP 2
DRIVER 2
ILIM 2
VDSLIM 2
OVERTEMP. 2
IOUT2
K2
OUTPUT1
CURRENT
SENSE1
OUTPUT2
CURRENT
SENSE2
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Table 2. Pin functions
Name
Function
VCC
OUTPUT1,2
GND
Battery connection
Power output
Ground connection; must be reverse battery protected by an external
diode/resistor network
INPUT1,2
CURRENT SENSE1,2
CS_DIS
Voltage controlled input pin with hysteresis, CMOS compatible; controls
output switch state
Analog current sense pin; delivers a current proportional to the load
current
Active high CMOS compatible pin to disable the current sense pin
Figure 2. Configuration diagram (top view)
VCC
GND
N.C.
INPUT2
N.C.
INPUT1
N.C.
CURRENT SENSE1
N.C.
CURRENT SENSE2
CS_DIS.
VCC
1
2
3
4
5
6
7
8
9
10
11
12
24 OUTPUT2
23 OUTPUT2
22 OUTPUT2
21 OUTPUT2
20 OUTPUT2
19 OUTPUT2
18 OUTPUT1
17 OUTPUT1
16 OUTPUT1
15 OUTPUT1
14 OUTPUT1
13 OUTPUT1
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VND5025AK-E arduino
VND5025AK-E
Electrical characteristics
www.DataSheet4U.com
Table 9. Current sense (8V < VCC < 16V)
Symbol
Parameter
Test conditions
Min Typ Max Unit
KLED
K0
K1
dK1/K1(1)
K2
dK2/K2(1)
K3
dK3/K3(1)
ISENSE0
VSENSE
VSENSEH
ISENSEH
IOUT/ISENSE
IOUT/ISENSE
IOUT/ISENSE
Current sense
ratio drift
IOUT/ISENSE
Current sense
ratio drift
IOUT/ISENSE
Current sense
ratio drift
Analog sense
leakage current
Max analog
sense output
voltage
IOUT = 0.05A; VSENSE = 0.5V; VCSD = 0V;
Tj = -40°C to 150°C
1450
3300
5180
IOUT = 0.5A; VSENSE = 0.5V; VCSD = 0V;
Tj = -40°C to 150°C
1720 3020 4360
IOUT = 2A; VSENSE = 4V;
VCSD = 0V;
Tj = -40°C
Tj = 25°C to 150°C
1940 2810 3740
2230 2810 3390
IOUT = 2A; VSENSE = 4V;
VCSD = 0V;
Tj = -40°C to 150°C
-10 +10
IOUT = 3A; VSENSE = 4V;
VCSD = 0V;
Tj = -40°C
Tj = 25°C to150°C
2250 2790 3450
2400 2790 3180
IOUT = 3A; VSENSE = 4V; VCSD = 0V;
Tj = -40°C to 150°C
-7
+7
IOUT = 10A; VSENSE = 4V;
VCSD = 0V;
Tj = -40°C
Tj = 25°C to 150°C
2610 2760 2970
2650 2760 2870
IOUT = 10A; VSENSE = 4V; VCSD = 0V;
Tj = -40°C to 150°C
-3
+3
IOUT = 0A; VSENSE = 0V;
VCSD = 5V; VIN = 0V; Tj = -40°C to 150°C
VCSD = 0V; VIN = 5V; Tj = -40°C to 150°C
0
0
1
2
IOUT = 2A; VSENSE = 0V;
VCSD = 5V; VIN = 5V; Tj = -40°C to 150°C 0
1
IOUT = 3A; VCSD = 0V
5
Analog sense
output voltage in
overtemperature
condition
VCC = 13V; RSENSE = 3.9k
9
%
%
%
µA
µA
µA
V
Analog sense
output current in
overtemperature
condition
VCC = 13V; VSENSE = 5V
8 mA
11/32

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