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PDF TLE4224-2 Data sheet ( Hoja de datos )
| Número de pieza | TLE4224-2 | |
| Descripción | Smart Low-Side Switch | |
| Fabricantes | Siemens Semiconductor | |
| Logotipo |  |
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Preliminary data sheet TLE 4224-2/S2
Smart Low-Side Switch
Features
• Power limitation
• Thermal shutdown
• Overload protection
• Short circuit protection
• Diagnostic feedback
• Overvoltage protection
• Reverse polarity protection
• µC compatible input
• Electrostatic discharge (ESD) protection
Product Summary
Supply voltage
Drain source voltage
On resistance
Output current
VS
VDS(AZ)max
RON(typ)
ID
6.5 - 45
65
0.25
4
V
V
Ω
A
Application
• All kinds of resistive and inductive loads (relays,electromagnetic valves)
• µC compatible power switch for 12 and 24 V applications
• Solenoid control switch in automotive and industrial control systems
P - TO220 -7-1
General description
P - TO220 -7-2
Single channel Low-Side Switch in Smart Power Technology (SPT) with µC compatible input and an
open drain DMOS output stage. The TLE 4224-2 is fully protected by embedded protection functions
and designed for automotive and industrial applications.
Block Diagram
VS VC
Thermal overload internal supply
Open Load
Overload
TLE 4224-2
RPD
VBB
Load
Semiconductor Group
DataSheet4 U .com
Page 1
20.12.96
1 page  
www.DataSheet4U.com
Preliminary data sheet TLE 4224-2/S2
Protective Circuits
An integrated diode protects the device against reverse polarity of the operating voltage.
The load circuit withstands reverse poling within the limits of the maximum ratings (no shorted load
permissible at the same time).
The outputs are protected against current overload and thermal overload.
Error Detection
The status output signals the switching state at normal operating conditions (LOW = off; HIGH = on)
and in case of errors. The outputs are set according to the diagnostic table below.
If current overload occurs, the error condition is stored into an internal register and the output is shut-
down. To reset the register, the control input of the corresponding channel has to be switched off and
then on again.
Open load is detected in on- and off-modus: In on-modus the load current is monitored , in the off-
modus the ouput voltage is monitored.
The open load voltage threshold is programmable via the voltage supplied to the VC.
The state of the error detection circuit is directly dependent on the input status.
Diagnostic Table
Operating Condition
Normal Operation
Thermal Overload
Open Load or
shorted load to ground
Overload or
shorted load to supply
Enable
Input
ENA
L
L
H
H
X
X
L
L
H
H
L
L
H
H
Control
Input
IN
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L = LOW
H = HIGH X = RANDOM
Power
Output
OUT
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
Status
Output
ST
L
L
L
H
H
L
H
H
H
L
L
L
L
L
Semiconductor Group
DataSheet4 U .com
Page 5
20.12.96
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TLE4224-2.PDF ] | |
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