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BTS432D2

Infineon Technologies AG
Part Number BTS432D2
Manufacturer Infineon Technologies AG
Description Smart Highside Power Switch
Published Apr 17, 2005
Detailed Description PROFET® BTS 432 D2 Smart Highside Power Switch Features • • • • • • • • • • • • Load dump and reverse battery protectio...
Datasheet PDF File BTS432D2 PDF File

BTS432D2
BTS432D2

Overview
PROFET® BTS 432 D2 Smart Highside Power Switch Features • • • • • • • • • • • • Load dump and reverse battery protection1) Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown Diagnostic feedback Open load detection in ON-state CMOS compatible input Electrostatic discharge (ESD) protection Loss of ground and loss of Vbb protection2) Overvoltage protection Undervoltage and overvoltage shutdown with autorestart and hysteresis Product Summary VLoad dump 80 Vbb-VOUT Avalanche Clamp 58 Vbb (operation) 4.
5 .
.
.
42 Vbb (reverse) -32 RON 38 IL(SCp) 44 IL(SCr) 35 IL(ISO) 11 V V V V mΩ A A A Application 5 5 5 • 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 1 Straight leads 1 SMD Standard 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 Voltag e source V Logic Voltag e sensor Overvoltag eprotectio n Charge pump Level shifter Rectifie r Curren t limit Gate protectio n OUT 2 IN Limit for unclampe d ind.
loads Open load detectio n Short circuit detectio n Temperatur e sensor 5 Load ESD Logic 4 ST GND 1 Signal GND PROF ET ® Load GND 1) 2) No external components required, reverse load current limited by connected load.
Additional external diode required for charged inductive loads Infineon Technologies AG Page 1 of 14 1999-03-22 BTS 432 D2 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 T j = 25 °C unless otherwise specifi...


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