bts550 Infineon Technologies Corporation, bts550 Datasheet - Page 13

• Manufacturer Part Number: bts550
• Description: Smart Highside High Current Power Switch
• Manufacturer: Infineon Technologies Corporation

Timing diagrams
Figure 1: Switching a resistive load,
change of load current in on-condition:
Figure 2a: Switching motors and lamps:
Infineon Technologies AG
The sense signal is not valid during a settling time
after turn-on/off and after change of load current.
Sense current saturation can occur at very high
inrush currents (see I
90%
V
10%
I
V
I
OUT
I
I
IN
I
I
L
IN
IL
IS
IS
OUT
dV/dton
t
on
t
Load 1
son(IS)
t
slc(IS)
IS,lim
on page 6).
Load 2
t
soff(IS)
t
off
t
slc(IS)
dV/dtoff
t
t
13
Figure 2b: Switching an inductive load:
Figure 3: Short circuit:
shut down by short circuit detection, reset by I
Shut down remains latched until next reset via input.
I
L
I
V
I
I
I
I
IS
IN
IN
L
IS
OUT
I
L(SCp)
V
V
OUT
OUT
t
d(SC)
Data Sheet BTS550
=0
>>0
2010-June-01
IN
= 0.
t
t