BTS412B2 データシートの表示（PDF） - Siemens AG

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BTS412B2

Smart Highside Power Switch

Siemens AG 

PROFET® BTS 412B2

Smart Highside Power Switch

Features

• Overload protection

• Current limitation

• Short circuit protection

• Thermal shutdown

• Overvoltage protection (including load dump)

• Fast demagnetization of inductive loads

• Reverse battery protection1)

• Undervoltage and overvoltage shutdown with

auto-restart and hysteresis

• CMOS diagnostic output

• Open load detection in OFF-state

• CMOS compatible input

• Loss of ground and loss of Vbb protection

• Electrostatic discharge (ESD) protection

Product Summary

Overvoltage protection

Operating voltage

On-state resistance

Load current (ISO)

Current limitation

Vbb(AZ)

Vbb(on)

RON

IL(ISO)

IL(SCr)

65 V

4.7 ... 42 V

220 mΩ

1.8 A

5A

TO-220AB/5

5

Standard

5

1

Straight leads

5

1

SMD

Application

• µC compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads

• All types of resistive, inductive and capacitve 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, monolithically integrated in Smart SIPMOS® technology. Fully protected by embedded protection

functions.

2 IN

Voltage

source

V Logic

Voltage

sensor

ESD

4 ST

Logic

Overvoltage Current

Gate

protection

limit protection

+ Vbb

3

Charge pump

Level shifter

Rectifier

Limit for

OUT

unclamped

5

ind. loads Temperature

sensor

Open load

detection

Load

Short circuit

detection

GND

1

Signal GND

PROFET®

Load GND

1) With external current limit (e.g. resistor RGND=150 Ω) in GND connection, resistor in series with ST

connection, reverse load current limited by connected load.

Semiconductor Group

1

03.97

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