DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
A4987
16
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
LP Package, 24-Pin TSSOP with Exposed Thermal Pad
1.20 MAX
C
SEATING
PLANE
0.15 MAX
C0.10
24X
0.65
6.103.00
4.32
1.65
0.45
0.65
0.25
21
24
3.00±0.05
4.32±0.05
(1.00)
GAUGE PLANE
SEATING PLANE
B
A
A
Terminal #1 mark area
B
For reference only
(reference JEDEC MO-153 ADT)
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
TSOP65P640X120-25M); 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)
PCB Layout Reference View
Exposed thermal pad (bottom surface)
C
C
7.80 ±0.10
4.40 ±0.10 6.40 ±0.20
0.60 ±0.15
4° ±4
0.25
+0.05
–0.06
0.15
+0.05
–0.06
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
A4987
17
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Copyright ©2009-2013, 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
Revision History
Revision Revision Date Description of Revision
Rev. 5 March 21, 2012 Update Step Sequence and example layout

APEK4987SLP-01-T-DK

Mfr. #:
Manufacturer:
Description:
BOARD EVAL MOTOR CONTROL A4987
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet