A3992SBT- Allegro MicroSystems, Inc., A3992SBT- Datasheet - Page 13

• Manufacturer Part Number: A3992SBT-
• Description: DMOS Dual Full-Bridge Microstepping PWM Motor Driver
• Manufacturer: Allegro MicroSystems, Inc.

Allegro 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 permit 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.
use; nor for any in fringe ment of patents or other rights of third parties which may result from its use.
A3992
Copyright© 2006, Allegro MicroSystems, Inc.
The products described here are manufactured under one or more U.S. patents or U.S. patents pending.
Allegro products are not authorized for use as critical components in life-support devices or sys tems without express written approval.
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
A Terminal #1 mark area
B Exposed thermal pad (bottom surface)
C Reference land pattern layout (reference IPC7351
Preliminary dimensions, for reference only
Dimensions in millimeters
U.S. Customary dimensions (in.) in brackets, for reference only
(reference JEDEC MO-153 ADT)
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
TSOP65P640X120-25M); 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)
Package LP, 24 Pin TSSOP with Exposed Thermal Pad
Package LP, 24 Pin TSSOP with Exposed Thermal Pad
24X
24X
0.10 [.004]
2X 0.20
MIN
0.45
NOM
1.85
NOM
0.10 [.004] M C A B
0.30
0.19
.008
.018
.073
.012
.007
C
24
1
C
A
2
Microstepping PWM Motor Driver
7.9
7.7
4.32
NOM
0.65 .026
.311
.303
0.65
NOM
.170
B
.026
3
NOM
.118
DMOS Dual Full-Bridge
22X 0.20
MIN
5.9
NOM
A
0.15
0.00
.232
4.5
4.3
.008
1.20
MAX
SEATING
PLANE
.006
.000
B
.177
.169
.047
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
6.6
6.2
C
.260
.244
GAUGE PLANE
8º
0º
0.25 .010
0.75
0.45
SEATING PLANE
0.20
0.09
1
REF
.030
.018
.039
.008
.004
13