BTS734L1 View Datasheet(PDF) - Siemens AG

Part Name

Description

Manufacturer

BTS734L1

Smart Two Channel Highside Power Switch

Siemens AG 

Figure 3a: Turn on into short circuit:

shut down by overtemperature, restart by cooling

IN1 other channel: normal operation

Figure 4a: Overtemperature:

Reset if Tj <Tjt

IN

BTS 734 L1

I

L1

I L(SCp)

I L(SCr)

ST

V

OUT

t off(SC)

T

ST

J

t

t

Heating up of the chip may require several milliseconds, depending

on external conditions (toff(SC) vs. Tj,start see page 11)

Figure 3b: Turn on into short circuit:

shut down by overtemperature, restart by cooling

(two parallel switched channels 1 and 2)

IN1/2

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

on/off to open load

IN

I +I

L1 L2

I L(SCp)

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 td(ST OL4) is for differentiation between the failure

modes "open load in ON-state" and "overtemperature"; td(ST OL4)

only appears after turn off to open load.

Semiconductor Group

13

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