آی سی BTS452R

BTS 452 R Smart Power High-Side-Switch Features • Overload protection • Current limitation • Short circuit protection • Thermal shutdown with restart • Overvoltage protection (including load dump) • Fast demagnetization of inductive loads • Reverse battery protection with external resistor • Open drain diagnostic output for overtemperature and short circuit • Open load detection in OFF – State with external resistor • CMOS compatible input • Loss of GND and loss of Vbb protection • ESD – Protection • Very low standby current Product Summary Overvoltage protection Operating voltage On-state resistance Nominal load current Vbb(AZ) Vbb(on) RON IL(ISO) 62 200 1.8 V mΩ A 6…52 V P-TO252-5-11 Application • All types of resistive, inductive and capacitive loads • µC compatible power switch for 12 V, 24 V and 42 V DC applications • Replaces electromechanical relays and discrete circuits General Description N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic feedback, monolithically integrated in Smart SIPMOS  technology. Providing embedded protective functions. Page 1 2004-01-27 BTS 452 R Block Diagram + V bb Voltage source V Logic Overvoltage protection Current limit Gate protection OUT Charge pump Level shifter Rectifier IN Limit for unclamped ind. loads Temperature sensor Load ESD ST Logic GND miniPROFET  Signal GND Load GND Pin 1 2 3 4 5 TAB Symbol GND IN Vbb ST OUT Vbb Function Logic ground Input, act.