BTS442D2 Siemens Semiconductor Group, BTS442D2 Datasheet - Page 4

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

Parameter and Conditions
at T
Protection Functions
Initial peak short circuit current limit (pin 3 to 5)
( max 400 s if V
Repetitive short circuit current limit
Short circuit shutdown delay after input pos. slope
Output clamp (inductive load switch off)
Short circuit shutdown detection voltage
Thermal overload trip temperature
Thermal hysteresis
Inductive load switch-off energy dissipation
Reverse battery (pin 3 to 1)
Integrated resistor in V
Diagnostic Characteristics
Open load detection current
8
9)
10
Semiconductor Group
)
min value valid only, if input "low" time exceeds 30 s
V
at V
T
) Reverse load current (through intrinsic drain-source diode) is normally limited by the connected load.
(pin 3 to 5)
j Start
(on-condition)
ON
j
Short circuit current limit for max. duration of t
While demagnetizing load inductance, dissipated energy in PROFET is E
E
Reverse current I
these condition is dependent on the size of the heatsink. Reverse I
external GND-resistor (150 ). Input and Status currents have to be limited (see max. ratings page 2 and
circuit page 7).
= 25 °C, V
T
AS
OUT
> V
j
= T
=
= 150 °C, single pulse
1
ON(SC)
= V
/
jt
2
* L * I
(see timing diagrams, page 10)
bb
bb
,
- V
= 12 V unless otherwise specified
2
L
ON
* (
ON(CL) ,
GND
V
> V
ON(CL)
V
of
ON(CL)
bb
ON(SC)
I
L
line
0.3 A at V
- V
= 30 mA
bb
10
)
), see diagram page 8
)
bb
T
= -32 V through the logic heats up the device. Time allowed under
j
=-40..+150°C:
T
j
=25..150°C:
T
V
V
j
T
T
bb
bb
=+150°C:
d(SC) max
T
j
j
=-40 °C
j
=-40°C:
9)
= 12 V:
= 24 V:
=25°C:
,
4
8
)
,
=400 s, prior to shutdown
:
I
I
t
V
V
T
E
E
E
- V
R
I
Symbol
L(SCp)
L(SCr)
d(SC)
L (OL)
jt
T
ON(CL)
ON(SC)
AS
Load12
Load24
bb
bb
jt
GND
can be reduced by an additional
AS
= V
150
min
45
30
80
--
--
--
--
--
--
--
--
2
2
ON(CL)
Values
120
8.3
typ
95
70
58
10
* i
--
--
--
--
--
--
--
--
L
(t) dt, approx.
BTS 442 D2
1900
1500
max
140
400
2.1
1.7
1.2
32
--
--
--
--
--
--
--
--
Unit
mA
°C
A
A
V
V
K
V
s
J