BTS436L2 Smart High-Side Power Switch Product Summary V 4.7... 41 V Operating voltage bb(on) On-state resistance R 38 ON m Functions Nominal load current I 9.8 A L(NOM) Very low standby current CMOS compatible input Current limitation I 40 A L(SCr) Fast demagnetization of inductive loads Stable behaviour at undervoltage Wide operating voltage range PG-TO263-5-2 Logic ground independent from load ground Short circuit protection Overload protection Current limitation Thermal shutdown Overvoltage protection (including load dump) with external resistor Reverse battery protection with external resistor Loss of ground and loss of V protection bb Electrostatic discharge protection (ESD) Green Product (RoHS compliant) AEC Qualified Applications C compatible high-side power switch with diagnostic feedback for 5V, 12V and 24V grounded loads All types of resistive, inductive and capacitve loads Most suitable for loads with high inrush currents, so as lamps Replaces electromechanical relays, fuses and discrete circuits General Description N channel vertical power MOSFET with charge pump, ground referenced CMOS compatible input and diagnostic feedback, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions Diagnostic Function Diagnostic feedback with open drain output Open load detection in ON-state Feedback of thermal shutdown in ON-state Data Sheet 1 2013-10-10 BTS436L2 Functional diagram current limit overvoltage gate VBB protection control + charge internal clamp for logic pump voltage supply inductive load OUT temperature IN sensor ESD LOAD Open load ST detection GND PROFET Pin Definitions and Functions Pin configuration (top view) Pin Symbol Function GND 1 Logic ground Tab = V BB Input, activates the power switch in 2 IN case of logical high signal Positive power supply voltage 3 V bb The tab is shorted to pin 3 4 ST Diagnostic feedback, low on failure 1 2 (3) 4 5 GND IN ST OUT 5 OUT Output to the load Positive power supply voltage Tab V bb The tab is shorted to pin 3 Data Sheet 2 2013-10-10