Smart High-Side Power Switch
BSP452
Pin
1
2
3
4
Symbol
OUT
GND
IN
Vbb
O
-
I
+
Function
Output to the load
Logic ground
Input, activates the power switch in case of logical high signal
Positive power supply voltage
Maximum Ratings
at
T
j
= 25 °C unless otherwise specified
Parameter
Supply voltage
Load current
self-limited
Maximum input voltage
2)
Maximum input current
Inductive load switch-off energy dissipation,
I
L
= 0.5A ,
T
A
= 150°C
single pulse
(not tested, specified by design)
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)
Electrostatic discharge capability (ESD)
5)
PIN 3
PIN 1,2,4
Operating temperature range
Storage temperature range
6
Max. power dissipation (DC)
)
Thermal resistance
Symbol
V
bb
I
L
V
IN
I
IN
E
AS
Values
40
Unit
V
A
V
mA
J
I
L(SC)
-5.0...V
bb
±5
0.5
V
Load dump4
)
60
80
±1
±2
-40 ...+150
-55 ...+150
1.8
7
70
V
V
ESD
T
j
T
stg
P
tot
R
thJS
R
thJA
kV
°C
W
K/W
T
A
= 25 °C
chip - soldering point:
chip - ambient:
6)
2
)
3
)
At VIN > Vbb, the input current is not allowed to exceed
±5
mA.
Supply voltages higher than Vbb(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
)
VLoad 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 cm2 copper area for Vbb connection
Data Sheet
2
V1.0, 2007-05-25
INFINEON [ INFINEON TECHNOLOGIES AG ]
