BTS432F2 Datasheet, PDF (1/14 Pages) Siemens Semiconductor Group – Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation)

PROFET^® BTS 432 F2
Smart Highside Power Switch
Features
Product Summary
• _{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}
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)
21 A
IL(SCr)
10 A
• _{Electrostatic discharge (ESD) protection}
IL(ISO)
11 A
• _{Loss of ground and loss of Vbb protection}2)
• _{Overvoltage protection}
• _{Undervoltage and overvoltage shutdown with auto-}
5
restart and hysteresis
Application
• _{µC compatible power switch with diagnostic feedback}
for 12 V and 24 V DC grounded loads
5
1
Straight leads
5
1
SMD
1
Standard
• _{Most suitable for inductive loads}
• _{Replaces electromechanical relays and discrete circuits}
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
Voltage
source
V _Logic
Voltage
sensor
ESD
4 ST
Logic
R _bb
+ Vbb ₃
Overvoltage Current
Gate
protection
limit
protection
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Open load
detection
OUT
5
Temperature
sensor
Load
Short circuit
detection
GND
1
Signal GND
PROFET^
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
1
22.03.99