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3962 Folha de dados(PDF) 2 Page - Allegro MicroSystems |
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3962 Folha de dados(HTML) 2 Page - Allegro MicroSystems |
2 / 8 page 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 3962 DUAL FULL-BRIDGE PWM MOTOR DRIVER FUNCTIONAL BLOCK DIAGRAM AND TYPICAL BIPOLAR STEPPER MOTOR APPLICATION TRUTH TABLE ENABLE PHASE OUTA OUTB H X Off Off LH H L LL L H X = Irrelevant 50 75 100 125 150 2.5 1.5 1.0 0.5 0 TEMPERATURE in °C 2.0 25 R = 6 °C/W θJT R = 60 °C/W θJA Dwg. GP-019-1 MOTOR SUPPLY OUT ENABLE 1 PHASE 1 CONTROL LOGIC AND LEVEL SHIFT OUT 1A 1B C V BB BB V CC CC C OUT ENABLE 2 PHASE 2 OUT 2A 2B RC SENSE R C 1 1 T1 T1 S1 GND REF R R R RC S2 T2 1 OUT IN REF SENSE 2 2 RC 2 RT2 BLANKING TIME AND SOURCE DRIVER T CONTROL OFF UVLO AND TSD CONTROL LOGIC AND LEVEL SHIFT BLANKING TIME AND SOURCE DRIVER T CONTROL OFF VOLTAGE REFERENCE + _ LOGIC SUPPLY + _ Copyright © 1995 Allegro MicroSystems, Inc. |
Nº de peça semelhante - 3962 |
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Descrição semelhante - 3962 |
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