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BTS550 Datasheet, PDF (1/15 Pages) Infineon Technologies AG – Smart Highside High Current Power Switch
PROFET® Data Sheet BTS550
Smart Highside High Current Power Switch
Reversave
Product Summary
• Reverse battery protection by self turn on of
power MOSFET
Features
• Overload protection
• Current limitation
Overvoltage protection
Output clamp
Operating voltage
On-state resistance
Vbb(AZ)
VON(CL)
Vbb(on)
RON
62 V
44 V
5.0 ... 34 V
3.6 mΩ
• Short circuit protection
• Overtemperature protection
• Overvoltage protection (including load dump)
• Clamp of negative voltage at output
Load current (ISO)
IL(ISO)
Short circuit current limitation IL(SC)
Current sense ratio
IL : IIS
115 A
220 A
21000
• Fast deenergizing of inductive loads 1)
• Low ohmic inverse current operation
PG-TO218-5-146
• Diagnostic feedback with load current sense
• Open load detection via current sense
• Loss of Vbb protection2)
• Electrostatic discharge (ESD) protection
• Green Product (RoHS compliant)
5
• AEC qualified
Application
• Power switch with current sense diagnostic
1
Straight leads
feedback for 12 V and 24 V 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.
Voltage
source
Voltage
sensor
2 IN
ESD
Logic
R bb
Overvoltage Current
Gate
protection
limit
protection
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
3 & Tab
+ Vbb
OUT 1, 5
IL
Load
I IN
Temperature
sensor
VIN
VIS
Logic GND
I IS
IS
4
RIS
PROFET
Load GND
1) With additional external diode.
2) Additional external diode required for energized inductive loads (see page 9).
Infineon Technologies AG
1 of 15
2010-June-01