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2919 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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2919 Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 8 page 2919 DUAL FULL-BRIDGE MOTOR DRIVER 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 A2919SLB PWM CURRENT-CONTROL CIRCUITRY 1 2 3 4 5 6 7 8 9 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 GROUND GROUND GROUND GROUND 02 I 12 I PHASE 2 VREF 2 2 RC VCC 1 RC V REF 1 PHASE 1 11 I 2B OUT SENSE 2 2 E 2A OUT 1A OUT 1 E SENSE 1 1B OUT 01 I LOAD SUPPLY LOGIC SUPPLY θ 1 θ 2 Dwg. PP-047 2 1 50 75 100 125 150 5 1 0 TEMPERATURE IN °C 4 3 2 25 Dwg. GP-049A R = 6.0 °C/W θJT SUFFIX 'B', R = 40 °C/W θJA SUFFIX 'LB', R = 55 °C/W θJA TRUTH TABLE PHASE OUT A OUT B HH L LL H VREF Dwg. EP-007-3 V BB SENSE ONE SHOT SOURCE DISABLE RC – + I 0 I1 ÷10 E OUT A OUTB 'B' PACKAGE, CHANNEL 1 PIN NUMBERS SHOWN. RC R S R T C C C T 24 60 k Ω 120 k Ω 42 k Ω 21 1 23 22 14 20 17 15 W Copyright © 1994 Allegro MicroSystems, Inc. |
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