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BTS442E2

Infineon Technologies AG
Part Number BTS442E2
Manufacturer Infineon Technologies AG
Description Smart Highside Power Switch
Published Apr 17, 2005
Detailed Description PROFET® BTS 442 E2 Smart Highside Power Switch Features • Overload protection • Current limitation • Short-circuit pro...
Datasheet PDF File BTS442E2 PDF File

BTS442E2
BTS442E2

Overview
PROFET® BTS 442 E2 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 • Open drain diagnostic output • Open load detection in ON-state • CMOS compatible input • Loss of ground and loss of Vbb protection2) • Electrostatic discharge (ESD) protection Product Summary Overvoltage protection Operating voltage On-state resistance Load current (ISO) Current limitation Vbb(AZ) Vbb(on) RON IL(ISO) IL(SCr) 63 V 4.
5 .
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42 V 18 mΩ 21 A 70 A TO-220AB/5 1 Straight leads 5 5 1 SMD 5 1 Standard 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.
2 IN Voltage source V Logic Voltage sensor ESD 4 ST Logic Rbb + Vbb 3 Overvoltage Current Gate protection limit protection Charge pump Level shifter Rectifier Limit for unclamped ind.
loads Open load detection OUT Temperature 5 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 PROFET® BTS 442 E2 Pin Symbol Function 1 GND - Logic ground 2 IN I Input, activates the power switch in case of logical high signal 3 Vbb + Positive power supply voltage, the tab is shorted to this pin 4 ST S Diagnostic feedback, low on failure 5 OUT O Output to the lo...


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