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BTS442E2

Siemens Semiconductor Group
Part Number BTS442E2
Manufacturer Siemens Semiconductor Group
Description Smart Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)
Published Apr 17, 2005
Detailed Description PROFET® BTS 442 E2 Smart Highside Power Switch Features • Overload protection • Current limitation • Short-circuit prot...
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 5 5 5 Standard 1 Straight leads 1 SMD 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.
R bb + V bb 3 Voltage source Overvoltage protection Current limit Gate protection V Logic Voltage sensor Charge pump Level shifter Rectifier Open load ESD Logic detection Limit for unclamped ind.
loads OUT 2 IN Temperature sensor 5 Load 4 ST Short circuit detection GND ® PROFET Load GND 1 Signal GND 1) 2) No external components required, reverse load current limited by connected load.
Additional external diode required for charged inductive loads Semiconductor Group 1 04.
96 BTS 442 E2 Pin 1 2 3 4 5 Symbol GND IN Vbb ST OUT (Load, L) I + S O Function Logic ground Input, activates the power switch in case of logical high signal Positive power supply voltage, the tab is shorted to this pin Diagnostic feedback, low on failure Output to the load Maximum R...


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