BTS443P_07 Datasheet, PDF (1/15 Pages) Infineon Technologies AG – Smart Highside Power Switch

PROFET® BTS 443 P
Smart Highside Power Switch
Reversave
Product Summary
• _{Reverse battery protection by self turn on of}
power MOSFET
Features
• _{Short circuit protection}
Operating voltage
On-state resistance
Load current (ISO)
• _{Current limitation}
Current limitation
• _{Overload protection}
• _{Thermal shutdown}
• _{Overvoltage protection (including load dump)}
Package
PG-TO252-5-11
• _{Loss of ground protection}
• _{Loss of Vbb protection (with external diode for}
charged inductive loads)
• _{Very low standby current}
• _{Fast demagnetisation of inductive loads}
• _{Electrostatic discharge (ESD) protection}
• _{Optimized static electromagnetic compatibility (EMC)}
• _{Green product (RoHS compliant)}
• _{AEC qualified}
Vbb(on)
RON
IL(ISO)
IL(SCr)
5.0 ... 36 V
16 mΩ
25 A
65 A
Diagnostic Function
• _{Proportional load current sense (with defined fault signal during thermal shutdown)}
Application
• _{Power switch with current sense diagnostic feedback for 12V and 24 V DC grounded loads}
• _{All types of resistive, capacitive and inductive loads (no PWM with 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
Voltage
source
R _bb
Overvoltage Current
Gate
protection
limit
protection
+ Vbb
Voltage
sensor
2 _IN
ESD
Logic
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
OUT ^{1, 5}
I_L
Load
I _IN
Temperature
sensor
V_IN
V_IS
Logic GND
I _IS
IS
4
RIS
PROFET^
Load GND
Data Sheet
Page 1 of 15
Rev. 1.0, 2007-02