A1441SEKLT-T データシートの表示（PDF） - Allegro MicroSystems

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A1441SEKLT-T

Low-Voltage Full-Bridge Brushless DC Motor Driver with Hall Element Commutation

Allegro MicroSystems 

A1441

Low-Voltage Full-Bridge Brushless DC Motor

Driver with Hall Element Commutation

Package EL, 6 pin MLP/DFN/SON

2.15 .085

1.85 .073

Preliminary dimensions, for reference only

(JEDEC ultra-thin MO-229UCCD, except contact layout)

Dimensions in millimeters

U.S. Customary dimensions (in.) in brackets, for reference only

Dimensions exclusive of mold flash, gate burrs, and dambar protrusions

Exact case and lead configuration at supplier discretion within limits shown

A Terminal #1 mark area

D 1.00 .0394

D 1.00 .0394

6

B Exposed thermal pad (reference only, terminal #1

identifier appearance at supplier discretion)

C Reference land pattern layout; 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)

D Hall element (not to scale)

E Active area depth 0.233 [0.0092] U.S. Customary

dimensions controlling

6X

0.08 [.003] C

0.32 .013

6X 0.20 .008

A

12

4X0.15 .006

MIN

0.50 .020

NOM

6

0.32 .013

NOM

0.10 [.004] M C A B

0.05 [.002] M C

0.50 .020

12

2X0.15 .006

MIN

C

R0.20 .008

REF

1.00 .039

NOM

0.35 .014

B

0.15 .006

1

1.45 .057

NOM

0.50 .020

NOM

6

1.45 .057

NOM

A

B

E

D

2.15 .085

1.85 .073

SEATING C

PLANE

0.55 .022

0.45 .018

0.15 .006

REF

0.05 .002

0.00 .000

1.00 .039

NOM

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

permit 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 products are not authorized for use as critical components in life-support devices or systems without express written approval.

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.

Copyright © 2005, 2006, Allegro MicroSystems, Inc.

Allegro MicroSystems, Inc.

4

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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