BTS432E2 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 E2
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}
Product Summary
VLoad dump
80
Vbb-V_OUT Avalanche Clamp
58
Vbb (operation)
4.5 ... 42
Vbb (reverse)
-32
RON
38
IL(SCp)
44
IL(SCr)
35
IL(ISO)
11
• _{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}
5
1
Straight leads
5
1
SMD
Standard
for 12 V and 24 V DC grounded loads
• _{All types of resistive, inductive and capacitve loads}
• _{Replaces electromechanical relays and discrete circuits}
V
V
V
V
mΩ
A
A
A
5
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. Providing protective 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}
Semiconductor Group
1 of 14
2003-Oct-01