®
PROFET Data Sheet BTS555
Smart Highside High Current Power Switch
Product Summary
Overvoltage protection
Output clamp
Operating voltage
On-state resistance
Load current (ISO)
Reversave
•
Reverse battery protection by self turn on of
power MOSFET
Vbb(AZ)
VON(CL)
62
V
V
V
44
5.0...34
Features
V
bb(on)
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Overload protection
Current limitation
Short circuit protection
Overtemperature protection
Overvoltage protection (including load dump)
Clamp of negative voltage at output
Fast deenergizing of inductive loads
Low ohmic inverse current operation
R
ON
2.5
165
mΩ
A
I
L(ISO)
L(SCp)
Short circuit current limitation I
Current sense ratio
520
30 000
A
I : I
L
IS
1)
PG-TO218-5-146
Diagnostic feedback with load current sense
Open load detection via current sense
2)
Loss of V protection
bb
5
Electrostatic discharge (ESD) protection
Green Product (RoHS compliant)
AEC qualified
1
Straight leads
Application
•
•
•
Power switch with current sense diagnostic feedback for 12V and 24V DC grounded loads
Most suitable for loads with high inrush current like lamps and motors; all types of resistive and inductive loads
Replaces electromechanical relays, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load
current sense, integrated in Smart SIPMOS chip on chip technology. Providing embedded protective functions.
3 & Tab
+ V
bb
R
bb
Voltage
source
Current
limit
Overvoltage
protection
Gate
protection
1, 5
OUT
Limit for
Voltage
sensor
Charge pump
Level shifter
Rectifier
unclamped
ind. loads
IL
Current
Sense
Output
Voltage
detection
2
Load
IN
Logic
ESD
IIN
Temperature
sensor
IIS
PROFET
IS
Load GND
4
VIN
R
VIS
IS
Logic GND
)
1
With additional external diode.
Additional external diode required for energized inductive loads (see page 9).
2)
Infineon Technologies AG
1 of 16
2010-June-01