BTS432D2 Datasheet, PDF (1/14 Pages) Siemens Semiconductor Group – Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown)

PROFET® BTS 432 D2
Smart Highside Power Switch
Features
• _{Load dump and reverse battery protection}1)
• _{Clamp of negative voltage at output}
• _{Short-circuit protection}
• _{Current limitation}
• _{Thermal shutdown}
• _{Diagnostic feedback}
• _{Open load detection in ON-state}
• _{CMOS compatible input}
• _{Electrostatic discharge (ESD) protection}
• _{Loss of ground and loss of Vbb protection}2)
• _{Overvoltage protection}
• _{Undervoltage and overvoltage shutdown with auto-}
restart and hysteresis
Application
• _{µC compatible power switch with diagnostic feedback}
for 12 V and 24 V DC grounded loads
• _{All types of resistive, inductive and capacitve loads}
• _{Replaces electromechanical relays and discrete}
circuits
Product Summary
VLoad dump
80 V
Vbb-V_OUT Avalanche Clamp
58 V
Vbb (operation)
4.5 ... 42 V
Vbb (reverse)
-32 V
RON
38 mΩ
IL(SCp)
44 A
IL(SCr)
35 A
IL(ISO)
11 A
5
1
Straight leads
5
1
SMD
5
Standard
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, integrated in Smart SIPMOS® chip on chip technology. Fully protected by embedded protection
functions.
2 IN
Voltag
esource
V _Logic
Voltag
esensor
ESD
4 _ST
Logic
R _bb
+ V _{bb 3}
Overvoltag
eprotectio
n
Curren
t _limit
Gate
protectio
n
Charge
pLuemvepl
shifter
Rectifie
r
Limit for
unclampe
dind.
loads
Open
ldoeatdectio
n
Temperatur
e _sensor
OUT
5
Load
Short
cdirectueict _tio
n
GND
1
Signal GND
PROF^®
ET
Load GND
1) _{No external components required, reverse load current limited by connected load.}
2) _{Additional external diode required for charged inductive loads}
Infineon Technologies AG
Page 1 of 14
1999-03-22