Smart Highside Power Switch

Timing diagrams
Figure 1a: V bb turn on:
Figure 2b: Switching an inductive load
BTS 410 D2
IN
IN
V
bb
t d(bb IN)
ST
t d(ST)
*)
V
OUT
V
OUT
A
ST CMOS
A
in case of too early VIN=high the device may not turn on (curve A)
t d(bb IN) approx. 150 µs
Figure 2a: Switching a lamp,
t
I
L
I L(OL)
*) if the time constant of load is too large, open-load-status may
occur
Figure 3a: Turn on into short circuit,
t
IN
IN
ST
ST
V
OUT
V
OUT
t d(SC)
I
L
I
L
t
t
td(SC) approx. -- µs if V bb - V OUT > 8.5 V typ.
Semiconductor Group 10