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BTS432I2

Infineon Technologies AG
Part Number BTS432I2
Manufacturer Infineon Technologies AG
Description Smart Highside Power Switch
Published Apr 17, 2005
Detailed Description PROFET® BTS 432 I2 Smart Highside Power Switch Features • • • • • • • • • • • • Product Summary Clamp 80 58 4.5 ... 42...
Datasheet PDF File BTS432I2 PDF File

BTS432I2
BTS432I2

Overview
PROFET® BTS 432 I2 Smart Highside Power Switch Features • • • • • • • • • • • • Product Summary Clamp 80 58 4.
5 .
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42 -32 38 42 33 11 V V V V mΩ A A A 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 Open load detection in OFF-state IL(SCp) CMOS compatible input IL(SCr) Electrostatic discharge (ESD) protection IL(ISO) Loss of ground and loss of Vbb protection2) Overvoltage protection Undervoltage and overvoltage shutdown with auto-restart and hysteresis 5 1 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 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 + Vbb 3 Voltage source V Logic Voltage sensor Overvoltage protection Current limit Gate protection OUT Charge pump Level shifter Rectifier Limit for unclamped ind.
loads Open load 2 IN Temperature sensor 5 Load ESD Logic detection 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 Infineon Technologies AG Page 1 of 15 1999-02-19 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 T j = 25 °C unless otherwise specified Parameter Supply voltage (over...


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