Datasheet

PROFET
®
Data Sheet BTS50085-1TMB
Infineon Technologies AG Page 1 2008-Jan-24
Smart Highside High Current Power Switch
Reversave
•
Reverse battery protection by self turn on of
power MOSFET
Features
•
Overload protection
•
Current limitation
•
Short circuit protection
•
Over temperature protection
•
Over voltage protection (including load dump)
•
Clamp of negative voltage at output
•
Fast deenergizing of inductive loads
1
)
•
Low ohmic inverse current operation
•
Diagnostic feedback with load current sense
•
Open load detection via current sense
•
Loss of V
bb
protection
2
)
•
Electrostatic discharge (ESD) protection
•
Green product (RoHS compliant)
•
AEC qualified
Application
•
Power switch with current sense diagnostic
feedback for up to 48
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 protection functions.
IN
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Gate
protection
Current
limit
3
Overvoltage
protection
+ V
bb
PROFET

OUT
4 & Tab
1,2,6,7
Load GND
Load
Output
Voltage
detection
R
IS
IS
5
I
IS
I
L
V
IS
I
IN
Logic GND
Voltage
sensor
Voltage
source
Current
Sense
Logic
ESD
Temperature
sensor
R
bb
V
IN
1
) With additional external diode.
2
)
Additional external diode required for energized inductive loads (see page 9).
Product Summary
Overvoltage protection V
bb(AZ)
70 V
Output clamp
V
ON(CL)
62
V
Operating voltage
V
bb(on)
5.0 ... 58 V
On-state resistance R
ON
9
mΩ
Load current (ISO) I
L(ISO)
44 A
Short circuit current limitation I
L(SC)
90 A
Current sense ratio I
L
:
I
IS
13 000
PG-TO220-7-11
1
7
Standard