Smart High-Side Power Switch Smart High-Side Power Switch PROFET BTS711L1 Data Sheet Rev 1.3, 2012-01-16 Automotive Power Smart High-Side Power Switch BTS711L1 Smart Four Channel Highside Power Switch Product Summary Features Overvoltage Protection V 43 V bb(AZ) Overload protection V 5.0 ... 34 V Operating voltage bb(on) Current limitation active channels: one two parallel four parallel Short-circuit protection On-state resistance R 200 100 50 m ON Thermal shutdown Overvoltage protection Nominal load current 1.9 2.8 4.4 A (including load dump) Current limitation 4 4 4 A Fast demagnetization of inductive loads 1 ) Reverse battery protection Undervoltage and overvoltage shutdown PG-DSO20 P-DSO-20 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 Application C compatible power switch with diagnostic feedback for 12 V and 24 V DC grounded loads All types of resistive, inductive and capacitive loads AEC qualified Replaces electromechanical relays and discrete circuits Green product (RoHS compliant) 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. Pin Definitions and Functions Pin configuration (top view) Pin Symbol Function 1,10, V Positive power supply voltage. Design the bb 11,12, wiring for the simultaneous max. short circuit V 1 20V bb bb 15,16, currents from channel 1 to 4 and also for low GND1/2 2 19 V bb 19,20 thermal resistance IN1 3 18 OUT1 3 IN1 Input 1 .. 4, activates channel 1 .. 4 in case of ST1/2 4 17 OUT2 5 IN2 logic high signal IN2 5 16 V bb 7 IN3 GND3/4 6 15 V bb 9 IN4 IN3 7 14 OUT3 18 OUT1 Output 1 .. 4, protected high-side power output ST3/4 8 13 OUT4 17 OUT2 of channel 1 .. 4. Design the wiring for the IN4 9 12 V bb 14 OUT3 max. short circuit current V 10 11 V bb bb 13 OUT4 4 ST1/2 Diagnostic feedback 1/2 of channel 1 and channel 2, open drain, low on failure 8 ST3/4 Diagnostic feedback 3/4 of channel 3 and channel 4, open drain, low on failure 2 GND1/2 Ground 1/2 of chip 1 (channel 1 and channel 2) 6 GND3/4 Ground 3/4 of chip 2 (channel 3 and channel 4) 1) With external current limit (e.g. resistor R =150 ) in GND connection, resistor in series with ST GND connection, reverse load current limited by connected load. Data Sheet 2 Rev 1.3, 2012-01-16