BTS721L1

PROFET® BTS721L1 Smart Four Channel 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 protection1) 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 Vbb protection Electrostatic discharge (ESD) protection Product Summary Overvoltage Protection Operating voltage active channels: On-state resistance RON Nominal load current IL(NOM) Current limitation IL(SCr) Vbb(AZ) 43 V Vbb(on) 5.0 ... 34 V two parallel four parallel one 100 50 25 mΩ 2.9 4.3 6.3 A 8 8 8 A Application µC compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads All types of resistive, inductive and capacitive 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, monolithically integrated in Smart SIPMOS® technology. Fully protected by embedded protection functions. Pin Definitions and Functions Pin 1,10, 11,12, 15,16, 19,20 3 5 7 9 18 17 14 13 4 8 2 6 Symbol Function Positive power supply voltage. Design the Vbb wiring for the simultaneous max. short circuit currents from channel 1 to 4 and also for low thermal resistanc...