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BTS432E2

Siemens Semiconductor Group
Part Number BTS432E2
Manufacturer Siemens Semiconductor Group
Description Smart Highside Power Switch
Published Apr 17, 2005
Detailed Description PROFET® BTS 432 E2 Smart Highside Power Switch Features • Load dump and reverse battery protection1) VLoad dump • Clamp...
Datasheet PDF File BTS432E2 PDF File

BTS432E2
BTS432E2

Overview
PROFET® BTS 432 E2 Smart Highside Power Switch Features • Load dump and reverse battery protection1) VLoad dump • Clamp of negative voltage at output Vbb-VOUT Avalanche • Short-circuit protection Vbb (operation) • Current limitation Vbb (reverse) • Thermal shutdown RON • Diagnostic feedback IL(SCp) • Open load detection in ON-state IL(SCr) • CMOS compatible input IL(ISO) • Electrostatic discharge (ESD) protection • Loss of ground and loss of Vbb protection2) • Overvoltage protection • Undervoltage and overvoltage shutdown with auto-restart and hysteresis Product Summary 80 Clamp 58 4.
5 .
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42 -32 38 44 35 11 V V V V mΩ A A A 5 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 432 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 Ratings at Tj = 25 °C unless otherwise specified Parameter Supply voltage (overvoltage protection see page 3) Load dump pr...


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