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ITS640S2 Datasheet, PDF (1/14 Pages) Infineon Technologies AG – Smart Sense High-Side Power Switch For Industrial Applications
PROFET® ITS 640S2
Smart Sense High-Side Power Switch
For Industrial Applications
Features
• Short circuit protection
• Current limitation
• Proportional load current sense
• CMOS compatible input
• Open drain diagnostic output
• Fast demagnetization of inductive loads
• Undervoltage and overvoltage shutdown with
auto-restart and hysteresis
• Overload protection
• Thermal shutdown
• Overvoltage protection including load dump
(with external GND-resistor)
• Reverse battery protection (with external GND-
resistor)
• Loss of ground and loss of Vbb protection
• Electrostatic discharge (ESD) protection
Product Summary
Operating voltage
Vbb(on) 5.0 ... 34 V
On-state resistance RON
30 mΩ
Load current (ISO)
IL(ISO)
12.6 A
Current limitation
IL(SCr)
24 A
Operating temperature Ta -30 … +85 °C
Package
PG-TO220-7-11
PG-TO220-7-12
1
Standard (staggered)
1
Straight
Application
• µC compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads in industrial
applications
• All types of resistive, inductive and capacitive loads
• Replaces electromechanical relays, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, proportional sense of load current, monolithically integrated in Smart SIPMOS technology.
Providing embedded protective functions.
Block Diagram
3 IN
Voltage
source
V Logic
Voltage
sensor
1 ST ESD
Logic
Overvoltage
protection
Current
limit
Gate
protection
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
5 IS
I IS
RIS
GND
2
Signal GND
Temperature
sensor
4
+ Vbb
Current
Sense
OUT 6, 7
IL
Load
RO
GND
PROFET
Load GND
Infineon Technologies AG
Page 1 of 15
2006-Mar-28