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BTS412B2 Datasheet(PDF) 1 Page - Infineon Technologies AG

Part No. BTS412B2
Description  Smart Highside Power Switch
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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PROFET® BTS 412B2
Semiconductor Group
1
03.97
Smart Highside Power Switch
Features
• Overload protection
• Current limitation
• Short circuit protection
• Thermal shutdown
• Overvoltage protection (including load dump)
• Fast demagnetization of inductive loads
• Reverse battery protection1)
• Undervoltage and overvoltage shutdown with
auto-restart and hysteresis
• CMOS diagnostic output
• Open load detection in OFF-state
• CMOS compatible input
• Loss of ground and loss of V
bb protection
• Electrostatic discharge (ESD) protection
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, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, monolithically integrated in Smart SIPMOS® 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
1
)
With external current limit (e.g. resistor RGND=150 Ω) in GND connection, resistor in series with ST
connection, reverse load current limited by connected load.
Product Summary
Overvoltage protection
Vbb(AZ)
65
V
Operating voltage
Vbb(on)
4.7 ... 42 V
On-state resistance
RON
220 m
Load current (ISO)
IL(ISO)
1.8
A
Current limitation
IL(SCr)
5A
TO-220AB/5
5
Standard
1
5
Straight leads
1
5
SMD




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