A2918 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A2918' PDF : 8 Pages View PDF
2918
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
FUNCTIONAL BLOCK DIAGRAM
11
VCC
PHASE 1 13
ENABLE1 14
SOURCE
DISABLE
ONE SHOT
–
+
1
17
1
÷10
5
2
4
VBB
2
VREF
÷10
TSD
8 PHASE 2
7 ENABLE2
SOURCE
DISABLE
–
+
ONE SHOT
12
RT
CT
16 R C 18
RS
CC
15 10
3 RC 6
RS
CC
9
CT
RT
Dwg. FP-033
10
TRUTH TABLE
Enable Phase
L
H
L
L
H
X
X = Don’t care
Z = High impedance
OutA
H
L
Z
OutB
L
H
Z
8
6
4
R
2
θJA = 28°C/W
0
25
50
75
100
TEMPERATURE IN °C
125
150
Dwg. GP-043
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1991, 1993, Allegro MicroSystems, Inc.
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