ACS780 datasheet(2/24 Pages) ALLEGRO

2 / 24 page

High-Precision Linear Hall-Effect-Based

Current Sensor IC With 200 µΩ Current Conductor

ACS780xLR

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

path(fromterminal5toterminal6),whichisthepathusedfor

current sampling. The internal resistance of this conductive path is

200µΩtypical,providinglowpowerloss.

The thickness of the copper conductor allows survival of the device

at high overcurrent conditions. The terminals of the conductive path

areelectricallyisolatedfromthesignalleads(pins1through4,and

DESCRIPTION (CONTINUED)

Selection Guide

Part Number

Sensed Current

Direction

Primary Sampled

Current, IP

(A)

Sensitivity

Sens (Typ.)

(mV/A)

TOP

(°C)

Packing1

ACS780LLRTR-050B-T

Bidirectional

±50

40.

–40 to 150

Tape and reel

ACS780LLRTR-050U-T

Unidirectional

0 to 50

60.

ACS780LLRTR-100B-T

Bidirectional

±100

20.

ACS780LLRTR-100U-T

Unidirectional

0 to 100

40.

ACS780KLRTR-150B-T

Bidirectional

±150 transient

±100 continuous

13.33

–40 to 125

ACS780KLRTR-150U-T

Unidirectional

0 to 150 transient

0 to 100 continuous

26.66

Contact Allegro for additional packing options.

7), allowing the device to operate safely with voltages up to 100 V

peak on the primary conductor.

The device is fully calibrated prior to shipment from the factory.

The ACS780xLR family is lead (Pb) free. All leads are plated with

100% matte tin, and there is no Pb inside the package. The heavy

gauge leadframe is made of oxygen-free copper.

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