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BTS432D2 Datasheet(PDF) 1 Page - Siemens Semiconductor Group

Part No. BTS432D2
Description  Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown)
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Maker  SIEMENS [Siemens Semiconductor Group]
Homepage  http://www.siemens.com/
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 1 page
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PROFET® BTS 432 D2
Semiconductor Group
1
04.96
Smart Highside Power Switch
Features
• Load dump and reverse battery protection1)
• 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 V
bb 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
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.
+ Vbb
IN
ST
Signal GND
ESD
PROFET
®
OUT
GND
Logic
Voltage
sensor
Voltage
source
Open load
detection
Short circuit
detection
Charge pump
Level shifter
Temperature
sensor
Rectifier
Limit for
unclamped
ind. loads
Gate
protection
Current
limit
2
4
1
3
5
Load GND
Load
V
Logic
Overvoltage
protection
R
bb
1)
No external components required, reverse load current limited by connected load.
2)
Additional external diode required for charged inductive loads
Product Summary
VLoad dump
80
V
Vbb-VOUT Avalanche Clamp
58
V
Vbb (operation)
4.5 ... 42
V
Vbb (reverse)
-32
V
RON
38
m
IL(SCp)
44
A
IL(SCr)
35
A
IL(ISO)
11
A
5




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