BTS840S2 Datasheet | Infineon

Description - - N channel vertical power MOSFET with charge pump, ground referenced CMOS patible input,  diagnostic feedback and proportional load current sense monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions Applications - - - - µC patible high-side power switch with diagnostic feedback for 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 Basic Functions - - - - CMOS patible input Undervoltage and overvoltage shutdown with auto-restart and hysteresis Fast demagnetization of inductive loads Logic ground independent from load ground Protection Functions - - - - - - - - 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 Vbb protection Electrostatic discharge protection (ESD) Vbb IN1 ST1 IS1 IN2 ST2 IS2 Logic Channel 1 Logic Channel 2 PROFET GND OUT 1 Load 1 OUT 2 Load 2 Diagnostic Functions - - - - Proportinal load current sense Diagnostic feedback with open drain output Open load detection in OFF-state with external resistor Feedback of thermal shutdown in ON-state Infineon technologies 1 of 15 2003-Oct-01 BTS 840 S2 Functional diagram overvoltage protection internal voltage supply logic gate control + charge pump current limit VBB clamp for inductive load OUT1 IN1 temperature sensor ESD Open load detection Current sense RO1 GND1 Channel 1 LOAD ST1 IS1 GND1 IN2 ST2 IS2 GND2 Control and protection circuit of channel 2 OUT2 PROFET Pin Definitions and Functions Pin 1,10, 11,12, 3 7 16,17, 18,19 12,13, 14,15 4 8 2 6 5 9 Heatslug Symbol Vbb Function Positive power supply voltage. For high current applications the heat slug should be used as Vbb connection. Input 1,2, activates...