BTS432I2 Siemens Semiconductor Group, BTS432I2 Datasheet - Page 4

• Manufacturer Part Number: BTS432I2
• Description: Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation 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
Open load detection voltage
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
j
Short circuit current limit for max. duration of 400 s, prior to shutdown (see 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
T
=-40..+150°C:
j
=-40..150°C:
T
V
V
j
T
bb
bb
=+150°C:
T
j
j
=-40°C:
9)
= 12 V:
= 24 V:
=25°C:
,
4
8
)
,
I
I
t
V
V
T
E
E
E
- V
R
I
V
Symbol
L(SCp)
L(SCr)
d(SC)
L(off)
jt
T
ON(CL)
ON(SC)
AS
Load12
Load24
OUT(OL)
bb
bb
jt
GND
can be reduced by an additional
AS
= V
150
min
d(SC)
22
20
80
10
--
--
--
--
--
--
--
--
2
ON(CL)
page 4)
Values
120
8.3
typ
42
33
58
10
30
* i
--
--
--
--
--
--
3
L
(t) dt, approx.
BTS 432 I2
max
400
1.7
1.3
1.0
72
32
60
--
--
--
--
--
--
--
--
4
Unit
°C
A
A
V
V
K
V
A
V
s
J