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                PROFET. BTS 542 E2
                Semiconductor Group Page 1 of 13 8.Jan.96
                Smart Highside Power Switch
                Features
                ·
                Overload protection
                ·
                Current limitation
                ·
                Short-circuit protection
                ·
                Thermal shutdown
                ·
                Overvoltage protection (including load dump)
                ·
                Fast demagnetization of inductive loads
                ·
                Reverse battery protection
                1)
                ·
                Undervoltage and overvoltage shutdown with
                auto-restart and hysteresis
                ·
                Open drain diagnostic output
                ·
                Open load detection in ON-state
                ·
                CMOS compatible input
                ·
                Loss of ground and loss of V
                bb
                protection
                2)
                ·
                Electrostatic discharge (ESD) protection
                Application
                ·
                m
                C 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
                a
                chip on chip technology. Fully protected by embedded protection
                functions.
                + Vbb
                IN
                ST
                Signal GND
                ESD
                PROFET
                .
                OUT
                GND
                Logic
                Voltage
                sensor
                Voltage
                source
                Open load
                detection
                Short circuit
                detection
                Charge pump
                Level shifter
                Temperature
                sensor
                Rectifier
                Limit for
                unclamped
                ind. loads
                Gate
                protection
                Current
                limit
                2
                4
                1
                3
                5
                Load GND
                Load
                8
                Logic
                Overvoltage
                protection
                Rbb
                1)
                No external components required, reverse load current limited by connected load.
                2)
                Additional external diode required for charged inductive loads
                Product Summary
                Overvoltage protectionV
                bb(AZ)
                63V
                Operating voltageV
                bb(on)
                4.5 ... 42V
                On-state resistanceR
                ON
                18m
                W
                Load current (ISO)I
                L(ISO)
                21A
                Current limitationI
                L(SCr)
                70A
                TO-218AB/5
                5
                Standard
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