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A2918SW Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # A2918SW
Description  DUAL FULL-BRIDGE PWM MOTOR DRIVER
PDF  8 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A2918SW Datasheet(HTML) 2 Page - Allegro MicroSystems

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2918
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
FUNCTIONAL BLOCK DIAGRAM
TRUTH TABLE
Enable
Phase
OutA
OutB
LH
H
L
LLL
H
HX
Z
Z
X = Don’t care
Z = High impedance
VREF
VCC
ENABLE1
ENABLE2
PHASE 1
PHASE 2
VBB
1
–
+
ONE SHOT
SOURCE
DISABLE
÷10
–
+
SOURCE
DISABLE
÷10
2
ONE SHOT
TSD
18
16
12
14
13
117
5
2
4
15
10
3
6
8
7
9
11
R T
R S
R S
R T
R C
C T
C T
C C
R C
C C
Dwg. FP-033
50
75
100
125
150
10
6
4
2
0
TEMPERATURE IN
°C
8
25
Dwg. GP-043
R
= 28
°C
/W
θJA
W
Copyright © 1991, 1993, Allegro MicroSystems, Inc.



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