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Infineon Technologies Electronic Components Datasheet

ITS4142N Datasheet

Smart High-Side Power Switch

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Smart High-Side Power Switch
for Industrial Applications
1 Channel: 1 x 200m
ITS 4142N
Features
Short circuit protection
Current limitation
Overload protection
Overvoltage protection
(including load dump)
Product Summary
Overvoltage protection
Operating voltage
On-state resistance
Operating temperature
Undervoltage shutdown with auto-
restart and hysteresis
Switching inductive loads
Clamp of negative voltage at output
with inductive loads
CMOS compatible input
Thermal shutdown with restart
ESD - Protection
Loss of GND and loss of Vbb protection
Very low standby current
Reverse battery protection with external resistor
Improved electromagnetic compatibility (EMC)
Vbb(AZ)
Vbb(on)
RON
Ta
47 V
12...45 V
200 m
-30...+85 °C
PG-SOT223
Application
All types of resistive, inductive and capacitive loads
µC compatible power switch for 12 V and 24 V DC industrial applications
Replaces electromechanical relays and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input,
monolithically integrated in Smart SIPMOStechnology.
Providing embedded protective functions.
Page 1
2006-03-09


Infineon Technologies Electronic Components Datasheet

ITS4142N Datasheet

Smart High-Side Power Switch

No Preview Available !

ITS 4142N
Block Diagram
3 IN Rin
Voltage
source
VLogic
Voltage
sensor
Overvoltage
protection
Current Gate
limit protection
+ Vbb 4
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
OUT
Temperature
sensor
1
ESD Logic
Load
GND
2
Signal GND
miniPROFET®
Load GND
Pin Symbol
Function
1 OUT
Output to the load
2 GND
Logic ground
3 IN Input, activates the power switch in case of logic high signal
4 Vbb
Positive power supply voltage
Page 2
2006-03-09


Part Number ITS4142N
Description Smart High-Side Power Switch
Maker Infineon
Total Page 19 Pages
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