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3964 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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3964 Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 10 page 3964 DUAL FULL-BRIDGE PWM MOTOR DRIVER 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 2 A3964SB 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 θ 2 θ 1 VCC 1 VBB 2 GROUND GROUND GROUND GROUND PHASE 2 V REF(OUT) 2 RC 2B OUT SENSE 2 2A OUT LOGIC SUPPLY Dwg. PP-005-2 NO CONNECT. NO CONNECT. ENABLE 2 1 RC VREF(IN) PHASE 1 1A OUT SENSE 1 1B OUT LOAD SUPPLY NO CONNECT. NO CONNECT. ENABLE 1 NC NC NC NC 50 75 100 125 150 5 1 0 TEMPERATURE IN °C 4 3 2 25 Dwg. GP-049-4 R = 6.0 °C/W θJT SUFFIX 'B', R = 40 °C/W θJA SUFFIX 'LB', R = 60 °C/W θJA 2.5 V REFERENCE 14 5 2 R S 19 R S VREF(IN) VCC ENABLE1 ENABLE2 PHASE 1 PHASE 2 VBB 1 – + ONE SHOT SOURCE DISABLE – + SOURCE DISABLE 2 ONE SHOT UVLO & TSD 8 10 9 31 4 18 20 7 12 11 13 17 R T R T C T C T Dwg. FP-033-1 615 16 R A R B FUNCTIONAL BLOCK DIAGRAM (A3964SLB pinning shown) Copyright © 1997, 2000 Allegro MicroSystems, Inc. |
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