Smart Power High-Side-Switch
BTS 452 T
Smart Power High-Side-Switch
Features • Overload protection • Current limitation • Short circuit protection •...
Description
BTS 452 T
Smart Power High-Side-Switch
Features Overload protection Current limitation Short circuit protection Thermal shutdown with restart Overvoltage protection (including load dump) Fast demagnetization of inductive loads Reverse battery protection with external resistor CMOS compatible input Loss of GND and loss of Vbb protection ESD - Protection Very low standby current Product Summary Overvoltage protection Operating voltage On-state resistance Nominal load current Vbb(AZ) Vbb(on) RON IL(ISO) 62 200 1.8 V mΩ A 6...52 V
P-TO252-5-11
Application
All types of resistive, inductive and capacitive loads µC compatible power switch for 12 V, 24 V and 42 V DC applications Replaces electromechanical relays and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions.
Page 1
2004-01-27
BTS 452 T
Block Diagram
+ V bb
Voltage source V Logic
Overvoltage protection
Current limit
Gate protection
Charge pump Level shifter Rectifier
IN
Limit for unclamped ind. loads
OUT
Temperature sensor Load
ESD
Logic
GND
miniPROFET
Signal GND
Load GND
Pin 1 2 3 4 5 TAB
Symbol GND IN Vbb NC OUT Vbb
Function Logic ground Input, activates the power switch in case of logic high signal Positive power supply voltage not connected Output to the load Positive power supply voltage
Pin confi...
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