ITS640S2 Ver la hoja de datos (PDF) - Infineon Technologies
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ITS640S2 Datasheet PDF : 14 Pages
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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
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