Smart High-Side Power Switch BTS640S2G Smart Sense High-Side Product Summary Power Switch V 5.0 ... 34 V Operating voltage bb(on) Features On-state resistance R 30 m ON Short circuit protection Load current (ISO) I 12.6A L(ISO) Current limitation Current limitation I 24A Proportional load current sense L(SCr) CMOS compatible input Package Open drain diagnostic output TO220-7-11 TO263-7-2 TO220-7-12 Fast demagnetization of inductive loads Undervoltage and overvoltage shutdown with auto-restart and hysteresis Overload protection 1 1 1 Thermal shutdown Standard (staggered) SMD Straight Overvoltage protection including load dump (with external GND-resistor) AEC qualified Reverse battery protection (with external GND-resistor) Green product (RoHS compliant) Loss of ground and loss of V protection bb Electrostatic discharge (ESD) protection Application C compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads All types of resistive, inductive and capacitve loads Replaces electromechanical relays, fuses and discrete circuits General Description N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic feedback, proportional sense of load current, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions. Block Diagram ) %% *+ , ( - & Data Sheet 1 V1.1, 2008-19-08 Smart High-Side Power Switch BTS640S2G Pin Symbol Function Diagnostic feedback: open drain, invers to input level 1 ST 2 GND Logic ground 3 IN Input, activates the power switch in case of logical high signal 4 V Positive power supply voltage, the tab is shorted to this pin bb Sense current output, proportional to the load current, zero in 5 IS the case of current limitation of load current 6 & 7 OUT Output, protected high-side power output to the load. (Load, L) Both output pins have to be connected in parallel for operation according this spec (e.g. k ). ILIS Design the wiring for the max. short circuit current Maximum Ratings at Tj = 25 C unless otherwise specified Parameter Symbol Values Unit Supply voltage (overvoltage protection see page 4) V 43V bb Supply voltage for full short circuit protection V 34V bb T =-40 ...+150C j Start 1) 3) Load dump protection V = V + V , V = 13.5V V 60 V LoadDump A s A Load dump 2) R = 2 , R = 1 , t = 200 ms, IN= low or high I L d Load current (Short circuit current, see page 5) I self-limitedA L Operating temperature range T -40 ...+150 C j Storage temperature range T -55 ...+150 stg Power dissipation (DC), T 25 C P 85W C tot Inductive load switch-off energy dissipation, single pulse V = 12V, T = 150C, T = 150C const. j,start C bb I = 12.6 A, Z = 4,2 mH, 0 : E 0,41 J AS L L I = 4 A, Z = 330 mH, 0 : E 3,5 AS L L Electrostatic discharge capability (ESD) IN: V 1.0 kV ESD (Human Body Model) ST, IS: 4.0 out to all other pins shorted: 8.0 acc. MIL-STD883D, method 3015.7 and ESD assn. std. S5.1-1993 R=1.5k C=100pF Input voltage (DC) V -10 ... +16 V IN Current through input pin (DC) I 2.0 mA IN Current through status pin (DC) I 5.0 ST Current through current sense pin (DC) I 14 IS see internal circuit diagrams page 8 1) Supply voltages higher than V require an external current limit for the GND and status pins (a 150 bb(AZ) resistor in the GND connection is recommended). 2) R = internal resistance of the load dump test pulse generator I 3) V is setup without the DUT connected to the generator according to ISO 7637-1 and DIN 40839 Load dump Data Sheet 2 V1.1, 2008-19-08