Mini profet® bsp 52 Semiconductor Group Page of 8



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BSP452



Mini PROFET® BSP 452
Semiconductor Group
Page 1 of 8
20.08.96
MiniPROFET

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

Reverse battery protection
1
)
Package: SOT 223
Type
Ordering code
BSP 452
Q67000-S271
Application

µ
C 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:
IN
3
R
in
+ Vbb
Signal GND
ESD
MINI-PROFET
OUT
GND
Logic
Voltage
sensor
Voltage
source
Charge pump
Level shifter
Temperature
sensor
Rectifier
Limit for
unclamped
ind. loads
Gate
protection
Current
limit
2
4
1
Load GND
Load
V
Logic
Overvoltage
protection
ESD-
Diode
1
) With resistor RGND=150 

in GND connection, resistor in series with IN connections reverse load current
limited by connected load.

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