BTS726L1 Просмотр технического описания (PDF) - Infineon Technologies

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BTS726L1

Smart Two Channel Highside Power Switch

Infineon Technologies 

Figure 3b: Turn on into short circuit:

shut down by overtemperature, restart by cooling

(two parallel switched channels 1 and 2)

IN1/2

I +I

L1 L2

I L(SCp)

BTS 726 L1

Figure 5a: Open load: detection in ON-state, turn

on/off to open load

IN

t

ST

d(ST)

td(ST OL4)

I L(SCr)

V

OUT

toff(SC)

ST1/2

t

ST1 and ST2 have to be configured as a 'Wired OR' function

ST1/2 with a single pull-up resistor.

I

L

open

t

The status delay time td(STOL4) allows to distinguish between the

failure modes "open load in ON-state" and "overtemperature".

Figure 4a: Overtemperature:

Reset if Tj <Tjt

IN

ST

V

OUT

Figure 5b: Open load: detection in ON-state, open

load occurs in on-state

IN

td(ST OL1)

ST

t d(ST OL2)

VOUT

T

J

IL

normal

open

normal

t

t

td(ST OL1) = 20 µs typ., td(ST OL2) = 10 µs typ

Semiconductor Group

13

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