to +135C Junction Temperature, TJ...........................+150C Storage Temperature Range, TS ....-55C to +150C Notes: 1. Measured on a two-sided PCB with 3 in.2 of 2 oz. copper. 2. Measured on JEDEC standard High-K board. A3946KLBTR-T A3946KLP - Yes - A3946KLP-T Yes A3946KLPTR - A3946KLPTR-T Yes Packing Package 47 pieces/tube 16-pin SOIC with internally fused leads 1000 pieces/reel 96 pieces/tube 16-pin TSSOP with exposed thermal pad 4000 pieces/reel Functional Block Diagram +VBAT C1 0.47 uF, X7R V rated to VBAT C2 0.47 uF, X7R V rated to VBAT P VBB CP2 VREF 10 k L L VREG Charge Pump +5 Vref 0.1 uF X7R 10 V CP1 CREG ILIM P P Charge Pump BOOT ~FAULT Protection VREG Undervoltage Overtemperature UVLOBOOT Bootstrap UVLO CBOOT L VREF DT RDEAD Turn-On Delay IN1 P Control Logic L RGATE GH High Side Driver S VREG L IN2 RGATE GL Low Side Driver PGND L P RESET LGND L L P Control Logic Table IN1 IN2 X X 0 0 0 1 1 1 DT Pin RESET GH GL Function X 0 Z Z Sleep mode RDEAD - LGND 1 L H Low-side FET ON followi

l Application VBAT BOOT VBB ~FAULT ECU IN1 IN2 RESET DT 29319.150c GH A3946 S GL CP1 CP2 VREF VREG LGND PGND M A3946 Half-Bridge Power MOSFET Controller Selection Guide Part Number Pb-free A3946KLB - A3946KLB-T Yes A3946KLBTR - A3946KLBTR-T Yes A3946KLP - A3946KLP-T Yes A3946KLPTR - A3946KLPTR-T Yes Packing Package 47 pieces/tube 16-pin SOIC with internally fused leads 1000 pieces/reel 96 pieces/tube 16-pin TSSOP with exposed thermal pad 4000 pieces/reel Absolute Maximum Ratings Rating Units Load Supply Voltage Characteristic VBB 60 V Logic Inputs Voltage VIN -0.3 to 6.5 V Pin S Voltage VS -4 to 60 V VGH -4 to 75 V VBOOT -0.6 to 75 V Pin GH Voltage Pin BOOT Voltage Symbol Notes Pin DT Voltage VDT VREF V Pin VREG Voltage VREG -0.6 to 15 V -40 to 135 C Range K Operating Ambient Temperature TA Maximum Junction Temperature TJ(max) 150 C Tstg -55 to 150 C Storage Temperature ESD Rating, Human Body Model AEC-Q100-002, all pins 2000 V ESD Rating, Charged Device Model AEC-Q100-011, all pins 1050 V THERMA

l Application VBAT BOOT VBB ~FAULT ECU IN1 IN2 RESET DT 29319.150d GH A3946 S GL CP1 CP2 VREF VREG LGND PGND M A3946 Half-Bridge Power MOSFET Controller Selection Guide Part Number Pb-free A3946KLB - A3946KLB-T Yes A3946KLBTR - A3946KLBTR-T Yes A3946KLP - A3946KLP-T Yes A3946KLPTR - A3946KLPTR-T Yes Packing Package 47 pieces/tube 16-pin SOIC with internally fused leads 1000 pieces/reel 96 pieces/tube 16-pin TSSOP with exposed thermal pad 4000 pieces/reel Absolute Maximum Ratings Rating Units Load Supply Voltage Characteristic VBB 60 V Logic Inputs Voltage VIN -0.3 to 6.5 V Pin S Voltage VS -4 to 60 V VGH -4 to 75 V VBOOT -0.6 to 75 V Pin GH Voltage Pin BOOT Voltage Symbol Notes Pin DT Voltage VDT VREF V Pin VREG Voltage VREG -0.6 to 15 V -40 to 135 C Range K Operating Ambient Temperature TA Maximum Junction Temperature TJ(max) 150 C Tstg -55 to 150 C Storage Temperature ESD Rating, Human Body Model AEC-Q100-002, all pins 2000 V ESD Rating, Charged Device Model AEC-Q100-011, all pins 1050 V THERMA

to +135C Junction Temperature, TJ...........................+150C Storage Temperature Range, TS ....-55C to +150C Notes: 1. Measured on a two-sided PCB with 3 in.2 of 2 oz. copper. 2. Measured on JEDEC standard High-K board. A3946KLBTR-T A3946KLP - Yes - A3946KLP-T Yes A3946KLPTR - A3946KLPTR-T Yes Packing Package 47 pieces/tube 16-pin SOIC with internally fused leads 1000 pieces/reel 96 pieces/tube 16-pin TSSOP with exposed thermal pad 4000 pieces/reel 3946 Half-Bridge Power MOSFET Controller Functional Block Diagram +VBAT C1 0.47 uF, X7R V rated to VBAT C2 0.47 uF, X7R V rated to VBAT P VBB CP2 VREF 10 k L VREG Charge Pump +5 Vref 0.1 uF X7R 10 V CP1 L CREG ILIM P P Charge Pump BOOT ~FAULT Protection VREG Undervoltage Overtemperature UVLOBOOT Bootstrap UVLO CBOOT L VREF DT RDEAD Turn-On Delay IN1 P Control Logic L RGATE GH High Side Driver S VREG L IN2 RGATE GL Low Side Driver PGND L P RESET LGND L L P Control Logic Table IN1 IN2 X X 0 0 0 1 1 1 DT Pin RESET GH GL Function X 0 Z Z Sleep mode R