BTS840S2 Datasheet, PDF (13/15 Pages) Infineon Technologies AG – Smart High-Side Power Switch Two Channels: 2 x 30mΩ Current Sense

Figure 4a: Overtemperature:
Reset if T_j <T_jt
IN
ST
IL
IIS
Figure 6a: Undervoltage:
BTS 840 S2
IN
ST
not defined
Vbb
V_bb(under)
V_{bb(u cp)}
V_{bb(u rst)}
IL
T_J
IIS
t
t
Figure 5a: Open load: detection (with REXT),
turn on/off to open load
Figure 6b: Undervoltage restart of charge pump
V_on
V_ON(CL)
IN
ST
V_OUT
IL
open load
IIS
t_{d(ST OL3)}
off-
state
on-state
V
bb(over)
off-
state
V
bb(u rst)
V
bb(o rst)
V
bb(under)
V
bb(u cp)
t
charge pump starts at Vbb(ucp) =4.7 V typ.
V _bb
Infineon technologies
13
2003-Oct-01