Data Sheet BTS50055-1TMC Smart Highside High Current Power Switch Reversave Product Summary Reverse battery protection by self turn on of V 5.0 ... 34 V Operating voltage bb(on) power MOSFET On-state resistance R 6.0 m ON Features Noinal current I 17A L(nom) Overload protection Load current (ISO) I 70A L(ISO) Current limitation Short circuit protection Short circuit current limitation I 130A L(SC) Overtemperature protection Current sense ratio I : I 14 000 L IS Overvoltage protection (including load dump) Clamp of negative voltage at output 1 ) Fast deenergizing of inductive loads PG-TO220-7-4 Low ohmic inverse current operation Diagnostic feedback with load current sense Open load detection via current sense 2 ) Loss of V protection bb Electrostatic discharge (ESD) protection Green product (RoHS compliant) AEC qualified 7 Application 1 SM D Power switch with current sense diagnostic feedback for 12 V DC grounded loads Most suitable for loads with high inrush current like lamps and motors all types of resistive and inductive loads Replaces electromechanical relays, fuses and discrete circuits General Description N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load current sense, integrated in Smart SIPMOS chip on chip technology. Providing embedded protective functions. 4 & Tab + V bb R bb Voltage Overvoltage Current Gate source protection limit protection 1,2,6,7 OUT Limit for Voltage Charge pump unclamped I L sensor ind. loads Level shifter Current Sense Rectifier Output 3 Voltage Load IN Logic ESD detection I IN Temperature sensor I IS PROFET IS Load GND 5 V IN R V IS IS Logic GND 1 ) With additional external diode. 2 ) Additional external diode required for energized inductive loads (see page 8). Infineon Technologies AG Page 1of 17 2010-April-27 Data Sheet BTS50055-1TMC Pin Symbol Function Output to the load. The pins 1,2,6 and 7 must be shorted with each other 1 OUT O 3 ) especially in high current applications 2 OUT O Output to the load. The pins 1,2,6 and 7 must be shorted with each other 3) especially in high current applications 3 IN I Input, activates the power switch in case of short to ground Positive power supply voltage, the tab is electrically connected to this pin. 4 V bb + In high current applications the tab should be used for the V connection bb 4 ) instead of this pin . Diagnostic feedback providing a sense current proportional to the load 5 IS S current zero current on failure (see Truth Table on page 6) Output to the load. The pins 1,2,6 and 7 must be shorted with each other 6 OUT O 3) especially in high current applications Output to the load. The pins 1,2,6 and 7 must be shorted with each other 7 OUT O 3) especially in high current applications Maximum Ratings at Tj = 25 C unless otherwise specified Parameter Symbol Values Unit Supply voltage (overvoltage protection see page 4) V 42V bb Supply voltage for short circuit protection, V 34V bb T =-40 ...+150C: (E limitation see diagram on page 9) j,start AS Load current (short circuit current, see page 5) I self-limited A L Load dump protection V = V + V , V = 13.5 V LoadDump A s A 5 6 ) ) 75 V R = 2 , R = 0.54 , t = 200 ms, V I L d Load dump IN, IS = open or grounded Operating temperature range T -40 ...+150 C j -55 ...+150 Storage temperature range T stg Power dissipation (DC), T 25 C P 170W C tot Inductive load switch-off energy dissipation, single pulse V = 12V, T = 150C, T = 150C const., j,start C E 1.5 J bb AS I = 20 A, Z = 7.5 mH, 0 , (see diagrams on page 9 ) L L Electrostatic discharge capability (ESD) V 4kV ESD Human Body Model acc. MIL-STD883D, method 3015.7 and ESD assn. std. S5.1-1993, C = 100 pF, R = 1.5 k Current through input pin (DC) I +15 , -250 mA IN Current through current sense status pin (DC) I +15 , -250 IS see internal circuit diagrams on page 7 3 ) Not shorting all outputs will considerably increase the on-state resistance, reduce the peak current capability and decrease the current sense accuracy 4 ) Otherwise add about 0.3 m to the R if the pin is used instead of the tab. ON 5 ) R = internal resistance of the load dump test pulse generator. I 6 ) V is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839. Load dump Page 2 of 17 2010-April-27