PROFET BTS426L1 Smart High-Side Power Switch Product Summary Overvoltage protection V 43 V bb(AZ) V 5.0 ... 34 V Operating voltage bb(on) On-state resistance R 60 ON m Features Load current (ISO) I 7.0 A L(ISO) Overload protection Current limitation I 16 A L(SCr) Current limitation Short circuit protection Thermal shutdown PG-TO263-5-2 Overvoltage protection (including load dump) Fast demagnetization of inductive loads 1 ) Reverse battery protection Undervoltage and overvoltage shutdown with auto-restart and hysteresis Open drain diagnostic output Open load detection in ON-state CMOS compatible input Loss of ground and loss of V protection bb Electrostatic discharge (ESD) protection Green Product (RoHS compliant) AEC Qualified 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, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions. + V 3 bb Voltage Overvoltage Current Gate source protection limit protection V Logic OUT Charge pump Limit for Voltage unclamped 5 sensor Level shifter Temperature ind. loads sensor Rectifier IN 2 Open load Load Short to Vbb Logic ESD detection R 4 ST O GND PROFET GND 1 Load GND Signal GND 1 ) With external current limit (e.g. resistor R =150 ) in GND connection, resistor in series with ST connection, reverse load GND current limited by connected load. Data Sheet 1 2013-10-10 BTS426L1 Pin Symbol Function 1 GND - Logic ground 2 IN I Input, activates the power switch in case of logical high signal 3 V + Positive power supply voltage, bb the tab is shorted to this pin 4 ST S Diagnostic feedback, low on failure 5 OUT O Output to the load (Load, L) Maximum Ratings at Tj = 25 C unless otherwise specified Parameter Symbol Values Unit Supply voltage (overvoltage protection see page 3) V 43 V bb Supply voltage for short circuit protection V 34 V bb T =-40 ...+150C j Start 2 4 ) ) Load dump protection V = U + V , U = 13.5 V V 60 V LoadDump A s A Load dump 3 ) R = 2 , R = 1.7 , t = 200 ms, IN= low or high I L d Load current (Short circuit current, see page 4) I self-limited A L Operating temperature range T -40 ...+150 C j Storage temperature range T -55 ...+150 stg Power dissipation (DC), T 25 C P 75 W C tot Inductive load switch-off energy dissipation, single pulse V = 12V, T = 150C, T = 150C const. j,start C bb I = 7.0 A, Z = 24 mH, 0 : E 0.74 J AS L L Electrostatic discharge capability (ESD) IN: V 1.0 kV ESD (Human Body Model) all other pins: 2.0 acc. MIL-STD883D, method 3015.7 and ESD assn. std. S5.1-1993 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 see internal circuit diagrams page 6 Thermal Characteristics Parameter and Conditions Symbol Values Unit min typ max K/W Thermal resistance chip - case: R -- -- 1.67 thJC R junction - ambient (free air): thJA -- -- 75 5 ) SMD version, device on PCB : 34 2 ) Supply voltages higher than V require an external current limit for the GND and status pins, e.g. with a 150 resistor in the bb(AZ) GND connection and a 15 k resistor in series with the status pin. A resistor for the protection of the input is integrated. 3 ) R = internal resistance of the load dump test pulse generator I 4 ) V is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839 Load dump 5 2 ) Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm (one layer, 70 m thick) copper area for V connection. PCB is vertical bb without blown air. Data Sheet 2 2013-10-10