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A1441 Datasheet(PDF) 4 Page - Allegro MicroSystems

Part No. A1441
Description  Low-Voltage Full-Bridge Brushless DC Motor Driver with Hall Element Commutation
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1441 Datasheet(HTML) 4 Page - Allegro MicroSystems

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Low-Voltage Full-Bridge Brushless DC Motor
Driver with Hall Element Commutation
A1441
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889;
5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to
permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that
the information being relied upon is current.
Allegro products are not authorized for use as critical components in life-support devices or systems without express written approval.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its
use; nor for any infringement of patents or other rights of third parties which may result from its use.
Copyright © 2005, 2006, Allegro MicroSystems, Inc.
0.32
NOM
.013
1
6
0.35
0.15
.014
.006
0.55
0.45
.022
.018
0.05
0.00
.002
.000
0.15
REF
.006
R0.20
REF
.008
1.45
NOM
.057
1.45
NOM
.057
1.00
NOM
.039
1.00
NOM
.039
0.50
NOM
.020
0.50
NOM
.020
4X0.15
MIN
.006
2X0.15
MIN
.006
0.05
0
.002
.000
2.15
1.85
.085
.073
2.15
1.85
.085
.073
A
B
C
SEATING
PLANE
C
0.08 [.003]
6X
0.50 .020
B
0.32
0.20
.013
.008
6X
0.10 [.004] M C
A
0.05 [.002] M C
2
6
1
2
1
A
C
A Terminal #1 mark area
B Exposed thermal pad (reference only, terminal #1
identifier appearance at supplier discretion)
Hall element (not to scale)
Preliminary dimensions, for reference only
(JEDEC ultra-thin MO-229UCCD, except contact layout)
Dimensions in millimeters
U.S. Customary dimensions (in.) in brackets, for reference only
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
C
D
Active area depth 0.233 [0.0092] U.S. Customary
dimensions controlling
E
Reference land pattern layout; adjust as necessary to meet
application process requirements and PCB layout
tolerances; when mounting on a multilayer PCB, thermal
vias at the exposed thermal pad land can improve thermal
dissipation (reference EIA/JEDEC Standard JESD51-5)
D
6
B
1.00 .0394
D
E
1.00 .0394
D
Package EL, 6 pin MLP/DFN/SON


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