ACS758LCB-050U-PFF-T Allegro, ACS758LCB-050U-PFF-T Datasheet

ACS758LCB-050U-PFF-T

Manufacturer Part Number

ACS758LCB-050U-PFF-T

Description

Manufacturer

Allegro

Datasheets

1.ACS758LCB-050U-PFF-T.pdf (21 pages)

2.ACS758LCB-050U-PFF-T.pdf (20 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

ACS758LCB-050U-PFF-T

Manufacturer:

ALLEGRO

Quantity:

21 920

Current page: 1 of 21
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Features and Benefits

▪ Industry-leading noise performance through proprietary

▪ Integrated shield greatly reduces capacitive coupling from

▪ Total output error improvement through gain and offset

▪ Small package size, with easy mounting capability

▪ Monolithic Hall IC for high reliability

▪ Ultra-low power loss: 100 μΩ internal conductor resistance

▪ Galvanic isolation allows use in economical, high-side

▪ 3.0 to 5.5 V, single supply operation

Package: 5-pin package

ACS758-DS, Rev. 6

Continued on the next page…

amplifier and filter design techniques

current conductor to die due to high dV/dt signals, and

prevents offset drift in high-side, high voltage applications

trim over temperature

current sensing in high voltage systems

Additional leadforms available for qualifying volumes

Leadform

PSS

TÜV America

Certificate Number:

U8V 09 05 54214 021

Linear Current Sensor IC with 100 μΩ Current Conductor

Thermally Enhanced, Fully Integrated, Hall Effect-Based

Application 1. The ACS758 outputs an analog signal, V

varies linearly with the uni- or bi-directional AC or DC primary

sampled current, I

noise management, with values that depend on the application.

Leadform

PFF

Typical Application

IP+

IP–

ACS758

, within the range specified. C

VIOUT

GND

VCC

Description

The Allegro

economical and precise solutions for AC or DC current sensing.

Typical applications include motor control, load detection and

management, power supply and DC-to-DC converter control,

inverter control, and overcurrent fault detection.

The device consists of a precision, low-offset linear Hall

circuit with a copper conduction path located near the die.

Applied current flowing through this copper conduction path

generates a magnetic field which the Hall IC converts into a

proportional voltage. Device accuracy is optimized through the

close proximity of the magnetic signal to the Hall transducer.

A precise, proportional output voltage is provided by the

low-offset, chopper-stabilized BiCMOS Hall IC, which is

programmed for accuracy at the factory.

High level immunity to current conductor dV/dt and stray

electric fields, offered by Allegro proprietary integrated shield

technology, guarantees low output voltage ripple and low offset

drift in high-side, high voltage applications.

The output of the device has a positive slope (>V

increasing current flows through the primary copper conduction

path (from terminal 4 to terminal 5), which is the path used

for current sampling. The internal resistance of this conductive

path is 100 μΩ typical, providing low power loss.

The thickness of the copper conductor allows survival of the

device at high overcurrent conditions. The terminals of the

Continued on the next page…

0.1 μF

BYP

+3.3 or 5 V

ACS758 family of current sensor ICs provides

is for optimal

OUT

, that

ACS758xCB

/ 2) when an

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