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BTS555

Siemens Semiconductor Group
Part Number BTS555
Manufacturer Siemens Semiconductor Group
Description Smart Highside High Current Power Switch
Published Apr 17, 2005
Detailed Description PROFET® Target Data Sheet BTS555 Smart Highside High Current Power Switch Features • Overload protection • Current limi...
Datasheet PDF File BTS555 PDF File

BTS555
BTS555

Overview
PROFET® Target Data Sheet BTS555 Smart Highside High Current Power Switch Features • Overload protection • Current limitation • Short circuit protection • Overtemperature protection • Overvoltage protection (including load dump) • Clamp of negative voltage at output • Fast deenergizing of inductive loads 1) • Low ohmic inverse current operation • Reverse battery protection • Diagnostic feedback with load current sense • Open load detection via current sense • Loss of Vbb protection2) • Electrostatic discharge (ESD) protection Product Summary Overvoltage protection Output clamp Operating voltage On-state resistance Load current (ISO) Short circuit current limitation Current sense ratio Vbb(AZ) 63 V VON(CL) 42 V Vbb(on) 5.
0 .
.
.
34 V RON 2.
9 mΩ IL(ISO) 132 A IL(SCp) 400 A IL : IIS 25 000 TO-218AB/5 • Power switch with current sense diagnostic feedback for 12 V and 24 V DC grounded loads • Most suitable for loads with high inrush current like lamps and motors; all types of resistive and inductive loads • Replaces electromechanical relays, fuses and discrete circuits Application 5 1 Straight leads General Description N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load current sense, integrated in Smart SIPMOS® chip on chip technology.
Fully protected by embedded protection functions.
3 & Tab Voltage source Overvoltage protection Current limit Gate protection OUT R bb + V bb 1, 5 IL Voltage sensor Charge pump Level shifter Rectifier Limit for unclamped ind.
loads Output Voltage detection Current Sense 2 IN Load ESD Logic I IN Temperature sensor IS I IS ® PROFET Load GND VIN VIS Logic GND 4 R IS 1) 2) With additional external diode.
Additional external diode required for energized inductive loads (see page9).
Semiconductor Group Page 1 of 16 1998-Jan-14 Target Data Sheet BTS555 Pin 1 2 3 Symbol OUT IN Vbb O I Function Output to the load.
The pins 1 and 5 must be shorted with each other e...


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