BTS432F2 Siemens Semiconductor Group, BTS432F2 Datasheet - Page 10

• Manufacturer Part Number: BTS432F2
• Description: Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation)
• Manufacturer: Siemens Semiconductor Group

Timing diagrams
Figure 1a: V
Figure 2a: Switching an inductive load
*) if the time constant of load is too large, open-load-status may
occur
Semiconductor Group
in case of too early V IN =high the device may not turn on (curve A)
t
d(bb IN)
IN
V
ST
IN
V
V
ST open drain
I
bb
OUT
L
OUT
approx. 150 s
I
L(OL)
*)
bb
t
d(ST)
turn on:
t d(bb IN)
A
A
t
t
10
Figure 3a: Turn on into short circuit,
Figure 3b: Turn on into overload,
Heating up may require several milliseconds , V
typ.
t d(SC) approx. 200 s if V
I
ST
IN
ST
V
IN
L
I
L
OUT
t d(SC)
I
L(SCp)
bb
I
L(SCr)
- V
OUT
> 8.3 V typ.
BTS 432 F2
bb
- V
OUT
< 8.3 V
t
t