ITS640S2 查看數據表（PDF） - Infineon Technologies

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ITS640S2

Smart Sense High-Side Power Switch For Industrial Applications

Infineon Technologies 

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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