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A3985SLDTR-T Datasheet(PDF) 2 Page - Allegro MicroSystems |
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A3985SLDTR-T Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 15 page Digitally Programmable Dual Full-Bridge MOSFET Driver A3985 2 Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com control for a variety of step methods, from microstepping to full-step drive. Load current in the external power MOSFET full-bridges is set in 1.56% increments of the maximum value. The above-supply voltage required for the high-side N-channel MOSFETs is provided by a bootstrap capacitor. Efficiency is enhanced by using synchronous rectification and the power FETs are protected from shoot-through by integrated crossover-control and programmable dead time. In addition to crossover current control, internal circuit protection providesthermalshutdownwithhysteresisandundervoltagelockout. Special power-up sequencing is not required. This component is supplied in a 38-pin TSSOP (package LD) with 100% matte tin leadframe plating. Description (continued) Selection Guide Part Number Packing* A3985SLD-T Tube, 50 pieces per tube A3985SLDTR-T Tape and reel, 4000 pieces per reel *Contact Allegro for additional packing options Absolute Maximum Ratings Characteristic Symbol Notes Rating Units Supply Voltage VBB –0.3 to 50 V Logic Supply Voltage VDD –0.3 to 7 V Logic Inputs and Outputs –0.3 to 7 V SENSEx pins –1 to 1 V Sxx pins –2 to 55 V LSSx pins –2 to 5 V GHxx pins Sxx to Sxx+15 V GLxx pins –2 to 16 V V Cxx pins –0.3 to Sxx+15 V Operating Ambient Temperature TA Range S –20 to 85 ºC Junction Temperature TJ(max) 150 ºC Storage Temperature Tstg –55 to 150 ºC |
Similar Part No. - A3985SLDTR-T |
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Similar Description - A3985SLDTR-T |
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