®
PROFET Data Sheet BTS555
Smart Highside High Current Power Switch
Reversave
Product Summary
Overvoltage protection
Output clamp
Reversave
Reverse battery protection by self turn on of
power MOSFET
•
Vbb(AZ)
VON(CL)
62
44
5.0...34
V
V
V
Features
V
Operating voltage
bb(on)
•
•
•
•
•
•
•
•
•
•
•
•
Overload protection
Current limitation
Short circuit protection
Overtemperature protection
Overvoltage protection (including load dump)
Clamp of negative voltage at output
1)
On-state resistance
Load current (ISO)
Short circuit current limitation I
R
2.5
165
mΩ
A
ON
I
L(ISO)
L(SCp)
520
30 000
A
Current sense ratio
I : I
L
IS
2)
Fast deenergizing of inductive loads
Low ohmic inverse current operation
Diagnostic feedback with load current sense
Open load detection via current sense
TO-218AB/5
TO-218AB-5-1
3)
Loss of V protection
bb
5
Electrostatic discharge (ESD) protection
1
Application
Straight leads
Staggered leads
•
•
•
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
Due to the different lead frame geometry Ron @25°C is 0.3 mΩ higher in staggered than in straight version,
and accordingly for other temperatures.
2
With additional external diode.
3)
Additional external diode required for energized inductive loads (see page 9).
Infineon Technologies AG
1 of 16
2003-Oct-01