PROFET® BTS 442 E2
Smart Highside Power Switch
•
Overload protection
•
Current limitation
•
Short-circuit protection
•
Thermal shutdown
•
Overvoltage protection (including load dump)
•
Fast demagnetization of inductive loads
•
Reverse battery protection
1)
•
Undervoltage and overvoltage shutdown with
auto-restart and hysteresis
•
Open drain diagnostic output
•
Open load detection in ON-state
•
CMOS compatible input
•
Loss of ground and loss of
V
bb
protection
2)
•
Electrostatic discharge
(ESD) protection
Features
Product Summary
Overvoltage protection
Operating voltage
On-state resistance
Load current (ISO)
Current limitation
V
bb(AZ)
V
bb(on)
R
ON
I
L(ISO)
I
L(SCr)
63
V
4.5 ... 42 V
18 mΩ
21
A
70
A
TO-220AB/5
5
5
1
Straight leads
1
5
Standard
SMD
• µC
compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads
•
All types of resistive, inductive and capacitve loads
•
Replaces electromechanical relays and discrete circuits
Application
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, integrated in Smart SIPMOS chip on chip technology. Providing embedded protective functions.
R bb
+ V bb
Voltage
source
V
Logic
Voltage
sensor
3
Overvoltage
protection
Current
limit
Gate
protection
OUT
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Open load
2
IN
Temperature
sensor
5
ESD
Logic
Load
detection
Short circuit
detection
GND
4
ST
PROFET
Load GND
1
Signal GND
1)
2)
No external components required, reverse load current limited by connected load.
Additional external diode required for charged inductive loads
Semiconductor Group
1 of 14
2003-Oct-01
INFINEON [ INFINEON TECHNOLOGIES AG ]
