BTS 441 R

Infineon Technologies AG

7

2003-Oct-01

Terms

PROFET

IN

ST

OUT

GND

Vbb

VST

V IN

IIN

V

bb

IL

VOUT

IGND

VON

1

2

4

Leadframe, 3

5

Ibb

IST

RGND

Input circuit (ESD protection)

IN

GND

I

R

ESD-ZD

I

I

I

The use of ESD zener diodes as voltage clamp at DC

conditions is not recommended.

Status output

ST

GND

ESD-

ZD

+5V

at 1.6 mA, ESD zener diodes are not to be used as voltage

clamp at DC conditions. Operation in this mode may resul

a drift of the zener voltage (increase of up to 1 V).

Inductive and overvoltage output clamp

+ Vbb

OUT

GND

PROFET

V

Z

V

ON

Overvolt. and reverse batt. protection

+ Vbb

IN

ST

ST

R

GND

GND

R

Signal GND

Logic

PROFET

VZ2

I

R

VZ1

Load GND

Load

R

OUT

ST

R

+ 5V

In case of reverse battery the load current has to be

limited by the load. Temperature protection is not

active

Open-load detection

OFF-state diagnostic condition:

Open load

detection

Logic

unit

VOUT

Signal GND

OFF

REXT

Vbb

GND disconnect

PROFET

V

IN

ST

OUT

GND

bb

V

bb

V

IN

V

ST

V

GND