Dual DMOS Full Bridge Motor Driver
With Serial Port Control and Dual Regulators
A3998
19
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package ET, 32-Pin QFN
32
32
2
1
2
1
A
A
Terminal #1 mark area
B
Exposed thermal pad (reference only, terminal #1
identifier appearance at supplier discretion)
Concept Drawing For Reference Only; not for tooling use
(reference JEDEC MO-220VHHD-6)
Dimensions in millimeters
Exact case and lead configuration at supplier discretion within limits shown
C
Reference land pattern layout (reference
IPC7351 QFN50P500X500X100-33V6M);
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)
B
32
2
1
PCB Layout Reference View
0.50 BSC
5.00 ±0.15
5.00 ±0.15
0.90 ±0.10
0.25
0.50±0.05
0.30
1
0.50
1.00
5.00
5.00
C
3.40
3.40
3.40
3.40
C0.08
33X
SEATING
PLANE
C
D
D
Coplanarity includes exposed thermal pad and terminals
+0.05
–0.07
Dual DMOS Full Bridge Motor Driver
With Serial Port Control and Dual Regulators
A3998
20
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Copyright ©2011-2013, Allegro MicroSystems, LLC
Allegro MicroSystems, LLC 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.
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 in for ma tion in clud ed herein is believed to be ac cu rate and reliable. How ev er, Allegro MicroSystems, LLC assumes no re spon si bil i ty for its
use; nor for any in fringe ment 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

A3998SETTR-T

Mfr. #:
Manufacturer:
Description:
IC MTR DRVR BIPOLAR 3-5.5V 32QFN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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