BTS432F2 Просмотр технического описания (PDF) - Infineon Technologies

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BTS432F2

Smart Highside Power Switc

Infineon Technologies 

PROFET® BTS 432 F2

Smart Highside Power Switch

Features

Product Summary

• Load dump and reverse battery protection1)

• Clamp of negative voltage at output

• Short-circuit protection

• Current limitation

• Thermal shutdown

• Diagnostic feedback

• Open load detection in ON-state

• CMOS compatible input

VLoad dump

80 V

Vbb-VOUT Avalanche Clamp

58 V

Vbb (operation)

4.5 ... 42 V

Vbb (reverse)

-32 V

RON

38 mΩ

IL(SCp)

21 A

IL(SCr)

10 A

• Electrostatic discharge (ESD) protection

IL(ISO)

11 A

• Loss of ground and loss of Vbb protection2)

• Overvoltage protection

• Undervoltage and overvoltage shutdown with auto-

5

restart and hysteresis

Application

• µC compatible power switch with diagnostic feedback

for 12 V and 24 V DC grounded loads

5

1

Straight leads

5

1

SMD

1

Standard

• Most suitable for inductive loads

• Replaces electromechanical relays and discrete circuits

General Description

N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic

feedback, integrated in Smart SIPMOS chip on chip technology. Fully protected by embedded protection

functions.

2 IN

Voltage

source

V Logic

Voltage

sensor

ESD

4 ST

Logic

R bb

+ Vbb 3

Overvoltage Current

Gate

protection

limit

protection

Charge pump

Level shifter

Rectifier

Limit for

unclamped

ind. loads

Open load

detection

OUT

5

Temperature

sensor

Load

Short circuit

detection

GND

1

Signal GND

PROFET

Load GND

1) No external components required, reverse load current limited by connected load.

2) Additional external diode required for charged inductive loads

Infineon Technologies AG

1

22.03.99

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