High Accuracy, Hall-Effect-Based, 200 kHz Bandwidth,

Galvanically Isolated Current Sensor IC with 100 µΩ Current Conductor

ACS772

41

Allegro MicroSystems, LLC

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

For the latest version of this document, visit our website:

www.allegromicro.com

Copyright 2019, Allegro MicroSystems, LLC

Allegro MicroSystems, LLC 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’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of

Allegro’s product can reasonably be expected to cause bodily harm.

The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its

use; nor for any infringement of patents or other rights of third parties which may result from its use.

Copies of this document are considered uncontrolled documents.

Revision History

Number

Date

Description

–

December 12, 2017

Initial release

1

January 30, 2018

Added Dielectric Surge Strength Test Voltage characteristic (page 3) and EEPROM Error Checking

and Correction section (page 16)

2

May 14, 2018

Added -050U, -100B, -150U, -200U, -250U, and -250B part options

3

September 24, 2018

Added -PSF leadform option; updated Magnetic Offset Error value (page 13) and Characteristic

Performance Data charts (pages 26 to 28)

4

November 12, 2018

Added -300B part option (page 2 and 16); added -PSS leadform option (pages 1, 2, and 39) and

Applications Information section (page 36); updated Typical Application (page 1), pinout diagram

5

December 13, 2018

Added UL certificate; updated package outline drawing PCB layouts and branding (pages 37-39)

6

January 7, 2019

Corrected Sensitivity Error values for -200U part option (page 12)

7

January 24, 2019

Added -400B part option (page 2 and 17)

8

March 14, 2019

Updated package branding (pages 38-40) and Temperature ratings (pages 2-3, 6-17)