Datasheet

Data Sheet 2 V1.0, 2007-05-25
Smart High-Side Power Switch
BSP452
Pin Symbol Function
1 OUT O Output to the load
2 GND - Logic ground
3 IN I Input, activates the power switch in case of logical high signal
4 Vbb + Positive power supply voltage
Maximum Ratings at T j = 25 °C unless otherwise specified
Parameter Symbol Values Unit
Supply voltage V
bb
40 V
Load current self-limited I
L
I
L
(
SC
)
A
Maximum input voltage
2
)
V
IN
-5.0... V
bb
V
Maximum input current I
IN
±5 mA
Inductive load switch-off energy dissipation,
single pulse
I
L = 0.5A ,
T
A = 150°C
(not tested, specified by design)
E
AS
0.5 J
Load dump protection
3
)
V
LoadDump
= U
A
+ V
s
R
L
= 24Ω
R
I
=2Ω , t
d
=400ms, IN= low or high, U
A
=13,5V R
L
= 80Ω
(not tested, specified by design)
V
Load dump
4
)
60
80
V
Electrostatic discharge capability (ESD)
5
)
PIN 3
PIN 1,2,4
V
ESD
±1
±2
kV
Operating temperature range
Storage temperature range
T
j
T
stg
-40 ...+150
-55 ...+150
°C
Max. power dissipation (DC)
6
)
T
A = 25 °C
P
tot
1.8 W
Thermal resistance chip - soldering point:
chip - ambient:
6)
R
thJS
R
thJA
7
70
K/W
2
)
At V
IN
> V
bb
, the input current is not allowed to exceed ±5 mA.
3
)
Supply voltages higher than V
bb(AZ)
require an external current limit for the GND pin, e.g. with a 150 Ω resistor in the GND connection
A resistor for the protection of the input is integrated.
4
)
V
Load dump
is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839
5
)
HBM according to MIL-STD 883D, Methode 3015.7
6
)
BSP 452 on epoxy pcb 40 mm x 40 mm x 1.5 mm with 6 cm
2
copper area for V
bb
connection