Smart High-Side Power Switch BTS740S2 P-DSO-20-9 % & ( * * % )( PG-DSO20 & )+,- . (& ) . / 0 ) ) 1& ) 0 1 2( / * * 0 . & . 0 . (& ) 3 0 + 4 % ) ( - 5 % 0 5 )- ( ) % 3- , ,)6 * % % )-* ( )* 1 * 3- * 6 / %& ++ 5 7 6 % * + / Data Sheet 1 V1.0, 2007-05-13 Smart High-Side Power Switch BTS740S2 99 8 0 3- % 6 ,)6 )- 7 6 ) ( 7 6 Channel 1 * Control and protection circuit )-* of channel 2 )* 3-* 7 6* PROFET Pin Definitions and Functions Pin configuration Pin Symbol Function (top view) 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 2 and also for low GND1 2 19 V bb 19,20 thermal resistance IN1 3 18 OUT1 3 IN1 Input 1,2, activates channel 1,2 in case of ST1 4 17 OUT1 7 IN2 logic high signal IS1 5 16 V 17,18 OUT1 Output 1,2, protected high-side power output bb GND2 6 15 V 13,14 OUT2 of channel 1,2. Both pins of each output have bb IN2 7 14 OUT2 to be connected in parallel for operation according ths spec (e.g. k ). Design the wiring ST2 8 13 OUT2 ilis for the max. short circuit current IS2 9 12 V bb 4 ST1 Diagnostic feedback 1,2 of channel 1,2, V 10 11 V bb bb 8 ST2 open drain, invers to input level 2 GND1 Ground 1 of chip 1 (channel 1) 6 GND2 Ground 2 of chip 2 (channel 2) 5 IS1 Sense current output 1,2 proportional to the load current, zero in the case of current 9 IS2 limitation of the load current Data Sheet 2 V1.0, 2007-05-13