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BTS432I2

Siemens Semiconductor Group
Part Number BTS432I2
Manufacturer Siemens Semiconductor Group
Description Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown)
Published Apr 17, 2005
Detailed Description PROFET® BTS 432 I2 Smart Highside Power Switch Features • Load dump and reverse battery protection1) VLoad dump • Clamp...
Datasheet PDF File BTS432I2 PDF File

BTS432I2
BTS432I2

Overview
PROFET® BTS 432 I2 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 OFF-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 42 33 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 + Vbb 3 Voltage source Overvoltage protection Current limit Gate protection OUT V Logic Voltage sensor Charge pump Level shifter Rectifier Open load ESD Logic detection Limit for unclamped ind.
loads 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 I2 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 pro...


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