High-Precision Linear Hall-Effect-Based

Current Sensor IC With 200 µΩ Current Conductor

ACS781xLR

21

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Package LR, 7-Pin PSOF Package

PACKAGE OUTLINE DRAWING

C

= Supplier emblem

= Last three numbers of device part number

= Last two digits of year of manufacture

= Week of manufacture

= Lot identifier

N

Y

W

L

Standard Branding Reference View

LLLLLLL

NNN

YYWW

1

7

A

B

C

Dambar removal protrusion (16×)

Terminal #1 mark area

Branding scale and appearance at supplier discretion

E

0.88

B

A

1

1

2

2

7

7

6.40 ±0.10

1.79 ±0.10 ×2

1.41 ×2

1.60 ±0.10 ×2

2.99 ±0.10

1.37 ±0.20

1.56 ±0.20

3.06 ±0.20

4.80 ±0.10

0.38 ±0.10 ×2

0.38 ±0.10 ×3

0.81 ±0.10 ×2

0.02

12º ±2º ×2

5º ±2º ×2

1.50 ±0.10

Branded Face

A

+0.03

-0.02 SEATING

PLANE

12º ±2º ×2

12º ±2º ×2

5º ±2º ×2

5º ±2º ×2

Parting Line

0.38+0.05

–0.03

(Plating Included)

0.70 ±0.10

1.73 ±0.10 ×2

0.90 ±0.10 ×2

0.28 ×2

0.50 ×2

R0.97 ±0.05

R0.25 ±0.05

R0.50 ×2

D

D1

D2

6.40 ±0.10

0.80 ±0.10

0.81

×2

For Reference Only, not for tooling use (DWG-0000428)

Dimensions in millimeters

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

Exact case and lead configuration at supplier discretion within limits shown

2

1

7

3.00

0.9

5.60

0.50

4.80

E

1.80 MIN

0.60

Reference land pattern layout;

All pads a minimum of 0.20 mm from all adjacent pads; adjust as

necessary to meet application process requirements and PCB

layout tolerances

1.60

PCB Layout Reference View

0.90

0.80

2.40

3

4

5

6

0.90

0.70