ITS4142NHUMA1 Infineon

ITS 4142N Smart High-Side Power Switch for Industrial Applications 1 Channel: 1 x 200m Features Product Summary Short circuit protection Overvoltage protection V 47 V bb(AZ) Current limitation Operating voltage V 12...45 V bb(on) Overload protection On-state resistance R 200 m ON Overvoltage protection Operating temperature T -30...+85 C a (including load dump) Undervoltage shutdown with auto- restart and hysteresis Switching inductive loads Clamp of negative voltage at output with inductive loads PG-SOT223 CMOS compatible input Thermal shutdown with restart ESD - Protection Loss of GND and loss of V protection bb Very low standby current Reverse battery protection with external resistor Improved electromagnetic compatibility (EMC) Application All types of resistive, inductive and capacitive loads C compatible power switch for 12 V and 24 V DC industrial applications Replaces electromechanical relays and discrete circuits General Description N channel vertical power FET with charge pump, ground referenced CMOS compatible input, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions. 2006-03-09 Page 1ITS 4142N Block Diagram + V bb 4 Voltage Overvoltage Current Gate source protection limit protection V Logic OUT Limit for Charge pump Voltage unclamped 1 sensor Level shifter Temperature ind. loads sensor Rectifier R in 3 IN Load ESD Logic miniPROFET GND 2 Load GND Signal GND Pin Symbol Function OUT 1 Output to the load GND 2 Logic ground IN 3 Input, activates the power switch in case of logic high signal Vbb 4 Positive power supply voltage 2006-03-09 Page 2