Smart High-Side Power Switch
BSP452
•
High-side switch
•
Short-circuit protection
•
Input protection
•
Overtemperature protection with hysteresis
•
Overload protection
•
Overvoltage protection
•
Switching inductive load
•
Clamp of negative output voltage with inductive loads
•
Undervoltage shutdown
•
Maximum current internally limited
•
Electrostatic discharge
(ESD) protection
1
•
Reverse battery protection
)
• AEC qualified
Package: SOT
(RoHS compliant)
• Green product
223
Type
Ordering code
Q67000-S271
SOT-223
1
SOT-223
PG-SOT-223
BSP 452
Application
• µC
compatible power switch for 12 V DC grounded loads
•
All types of resistive, inductive and capacitive loads
•
Replaces electromechanical relays and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input,monolithically
integrated in Smart SIPMOS
technology. Fully protected by embedded protection functions.
Blockdiagramm:
+ Vbb
4
Voltage
source
ESD-
Diode
Overvoltage
protection
Current
limit
Gate
protection
V
Logic
Voltage
sensor
Charge pump
Level shifter
Limit for
unclamped
ind. loads
OUT
Rectifier
Temperature
sensor
1
3
R
IN
in
Load
ESD
Logic
GND
miniPROFET
Load GND
2
Signal GND
1
)
With resistor RGND=150
Ω
in GND connection, resistor in series with IN connections reverse load current
limited by connected load.
Data Sheet
1
V1.0, 2007-05-25
INFINEON [ INFINEON TECHNOLOGIES AG ]
