Low-Voltage, Full-Bridge Brushless DC Motor Driver with
Integrated Hall Sensor IC, PWM Speed Control, Soft-Switching,
and Reverse Battery and Short Circuit Protection
A1448
Package EW, 6-Pin MLP/DFN
1.50 ±0.15
0.50
F
0.94
0.99
E
0.30
0.70
6
6
F
F
2.00 ±0.15
1.575
A
1
1
0.325
1.10
D
7X
C
SEATING
PLANE
0.08
C
C
PCB Layout Reference View
0.38 ±0.02
0.50 BSC
0.25 ±0.05
1
1
0.70 ±0.10
1.25 ±0.05
B
Standard Branding Reference View
G
N = Last two digits of device part number
Y = Last digit of year of manufacture
W = Week of manufacture
6
+0.055
–0.045
0.325
1.10 ±0.10
For Reference Only, not for tooling use (refernce DWG-2856; similar to
JEDEC Type 1, MO-229X2BCD)
Dimensions in millimeters
Exact case and lead configuration at supplier discretion within limits shown
A
B
Terminal #1 mark area
D
Coplanarity includes exposed thermal pad and terminals
Exposed thermal pad (reference only, terminal #1
identifier appearance at supplier discretion)
E
F
Active Area Depth 0.15 mm REF
C
Reference land pattern layout (reference IPC7351
SON50P200X200X100-9M);
Hall Element (not to scale)
All pads a minimum of 0.20 mm from all adjacent pads; 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)
Branding scale and appearance at supplier discretion
G
Copyright ©2008-2009, Allegro MicroSystems, Inc.
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 per-
mit 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’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
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.
For the latest version of this document, visit our website:
www.allegromicro.com
Allegro MicroSystems, Inc.
115 Northeast Cutoff
7
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
