a4954 Allegro MicroSystems, Inc., a4954 Datasheet - Page 8

• Manufacturer Part Number: a4954
• Description: Dual Full-bridge Dmos Pwm Motor Driver
• Manufacturer: Allegro MicroSystems, Inc.

A4954
mit improvements in the per for mance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the
information being relied upon is current.
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
nor for any in fringe ment of patents or other rights of third parties which may result from its use.
Copyright ©2010-2011, Allegro MicroSystems, Inc.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec i fi ca tions as may be required to per-
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
The in for ma tion in clud ed herein is believed to be ac cu rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty for its use;
16X
0.10
C
0.30
0.19
1
16
A
2
0.65 BSC
5.00±0.10
3 NOM
B
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Branded Face
3 NOM
0.15
0.00
Package LP, 16-Pin TSSOP
with exposed thermal pad
4.40±0.10
SEATING
PLANE
1.20 MAX
www.allegromicro.com
6.40±0.20
C
A Terminal #1 mark area
C
B
For Reference Only; not for tooling use (reference MO-153 ABT)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
Reference land pattern layout (reference IPC7351
SOP65P640X110-17M);
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)
Exposed thermal pad (bottom surface); dimensions may vary with device
GAUGE PLANE
0.25 BSC
8º
0º
0.60 ±0.15
SEATING PLANE
0.20
0.09
1.00 REF
1.70
Dual Full-Bridge DMOS
C
16
1
PCB Layout Reference View
2
0.45
PWM Motor Driver
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
3.00
3.00
0.65
6.10
8