Data Sheet BTS50055-1TMA Smart Highside High Current Power Switch Reversave Features Product Summary Overload protection Overvoltage protection V 62V bb(AZ) Current limitation V V Output clamp ON(CL) 42 Short circuit protection Over temperature protection V 5.0 ... 34 V Operating voltage bb(on) Over voltage protection (including load dump) On-state resistance R 6.0 m ON Clamp of negative voltage at output 1 ) Load current (ISO) I 70A L(ISO) Fast deenergizing of inductive loads Low ohmic inverse current operation Short circuit current limitation I 130A L(SC) Reversave (Reverse battery protection) Current sense ratio I : I 14 000 L IS Diagnostic feedback with load current sense Open load detection via current sense 2 ) Loss of V protection bb PG-TO220-7-4 Electrostatic discharge (ESD) protection Green product (RoHS compliant) AEC qualified Application Power switch with current sense diagnostic feedback for 12 V DC grounded loads 7 Most suitable for loads with high inrush current 1 SMD 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 Current Gate Overvoltage 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 9). Infineon Technologies AG Page 1of 18 2010-April-27 Data Sheet BTS50055-1TMA Pin Symbol Function Output output to the load pin 1, 2, 6 and 7 must be externally shorted with 1 OUT O 3 ) each other especially in high current applications. 2 OUT O Output output to the load pin 1, 2, 6 and 7 must be externally shorted with 3) each other especially in high current applications. 3 IN I Input has an internal pull up activates the power switch in case of short to ground Supply voltage positive power supply voltage tab and pin 4 are internally 4 V bb + 4 ) shorted in high current applications use the tab . Sense Output Diagnostic feedback provides a sense current proportional 5 IS S to the load current zero current on failure (see Truth Table on page 7) Output output to the load pin 1, 2, 6 and 7 must be externally shorted with 6 OUT O 3) each other especially in high current applications. Output output to the load pin 1, 2, 6 and 7 must be externally shorted with 7 OUT O 3) each other especially in high current applications. Maximum Ratings at Tj = 25 C unless otherwise specified Parameter Symbol Values Unit Supply voltage (over voltage protection see page 4) V 42V bb Supply voltage for short circuit protection, V 34V bb T =-40 ...+150C: (see diagram on page 10) j,start 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 10 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 8 and 9 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 up to 0.7 m (depending on used length of the pin) to the R if the pin is used instead of the ON tab. 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 Infineon Technologies AG Page 2 2010-April-27