BTS442D2 Siemens Semiconductor Group, BTS442D2 Datasheet - Page 6

• Manufacturer Part Number: BTS442D2
• Description: Smart Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)
• Manufacturer: Siemens Semiconductor Group

Truth Table
L = "Low" Level
H = "High" Level
Terms
Input circuit (ESD protection)
ZD
as voltage clamp at DC conditions. Operation in this
mode may result in a drift of the zener voltage
(increase of up to 1 V).
14
15
16
Semiconductor Group
Normal
operation
Open load
Short circuit
to GND
Short circuit
to V
Overtem-
perature
Under-
voltage
Overvoltage
) Power Transistor off, high impedance
) Low resistance short V
) No current sink capability during undervoltage shutdown
V
I1
bb
bb
6.1 V typ., ESD zener diodes are not to be used
V
IN
IN
I IN
V ST
I ST
ZD
2
4
Input-
ESD-
level
R
I1
IN
ST
H
H
H
H
H
H
H
L
L
L
L
L
L
L
I
ZD
R
GND
I2
PROFET
GND
GND
bb
3
1
V
Output
bb
level
to output may be detected by no-load-detection
I bb
14 )
I GND
H
H
H
H
L
L
L
L
L
L
L
L
L
I
I
OUT
Status
H (L
5
I L
L
L
442
D2
H
H
H
H
H
L
L
L
L
16)
16)
L
L
15)
)
V OUT
V ON
H (L
442
E2
H
H
H
H
H
H
H
H
H
L
L
L
L
6
15)
Status output
Zener diode: 6.1 V typ., max 5 mA, V
ESD zener diodes are not to be used as voltage clamp
at DC conditions. Operation in this mode may result in
a drift of the zener voltage (increase of up to 1 V).
Short Circuit detection
Fault Condition: V
)
Logic
unit
ON
Short circuit
> 8.3 V typ.; IN high
detection
GND
V
Logic
ESD-
ZD
Logic
BTS 442 D2
ST
5 V typ,
+ V bb
OUT
V
ON