ACS70310 datasheet(1/27 Pages) ALLEGRO

номер детали	ACS70310

подробное описание детали	Very High Precision, Programmable Linear Hall-Effect Sensor IC with Reverse Battery Protection and High-Bandwidth (240 kHz) Analog Output for Core-Based Current Sensing

PDF	27 Pages

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производитель	ALLEGRO [Allegro MicroSystems]

домашняя страница	http://www.allegromicro.com

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The Allegro ACS70310 IC incorporates a Hall element with

BiCMOS integrated circuitry to provide a fully monolithic

linear current sensor IC. The IC is sensitive to magnetic flux

density orthogonal to the IC package surface and the output

is an analog voltage proportional to the applied flux density.

The ACS70310 is designed to be used in conjunction with a

ferromagnetic core to provide highly accurate current sensing.

Thegainandoffsetdriftovertemperatureisfactoryprogrammed

atAllegro and delivers a solution with 1% sensitivity and 5 mV

offset error from 25°C to 150°C.

TheACS70310iscustomerprogrammable. Theabsolutevalue

of gain and offset can be programmed after manufacturing to

provide customers industry-leading current sensor accuracy.

The sensor has a high operating bandwidth from DC to

240 kHz and a fast 2 µs response time. It is ideal for use in

high frequency automotive inverters and DC/DC converters

where fast switching is required.

Broken ground wire detection, clamps, power-on reset, and

overvoltage detection provide the required diagnostics for

safety-critical automotive applications.

Theon-boardsupplyregulatorenablesthesupplypintosurvive

voltages of ±18 V and the output pin to survive voltages of

+16 to –6 V for added robustness in the harsh automotive

ACS70310-DS, Rev. 1

MCO-0000617

• Factory-programmed segmented linear temperature

compensation (TC) provides ultralow thermal drift

□ Sensitivity ±1%

□ Offset ±5 mV

• On-board supply regulator with reverse-battery protection

provides high immunity to Electrical Overstress (EOS)

• Very fast response time (2 µs)

• High operating bandwidth: DC to 240 kHz

• AEC-Q100 Grade 0, automotive qualified

• Customer-programmable, high-resolution offset, and

sensitivity trim

Very High Precision, Programmable Linear Hall-Effect Sensor IC

with Reverse Battery Protection and High-Bandwidth (240 kHz)

Analog Output for Core-Based Current Sensing

Figure 1: Functional Block Diagram

ACS70310

FEATURES AND BENEFITS

DESCRIPTION

Regulator

Programming

Control

Charge Pump

Pulse Generator

Broken

Ground

Detection

Output

Clamps

Offset Control

Signal Recovery

Sensitivity Control

EEPROM and

Control Logic

Temperature

Sensor

Active Temp.

Compensation

GND

C

BYPASS

VCC

(Programming)

To all

subcircuits

Push/Pull

Output Driver

VOUT

(Programming)

C

L

Undervoltage

Detection

April 10, 2019

PACKAGE: 4-pin SIP (suffix KT)

Not to scale

TN Leadform

TF Leadform

TG Leadform

Continued on next page...

Аналогичный номер детали - ACS70310

производитель	номер детали	датащи	подробное описание детали
Allegro MicroSystems	ACS70331	1Mb / 26P	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages
	ACS70331EESATR-005B3	1Mb / 26P	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages
	ACS70331EESATR-005U3	1Mb / 26P	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages
	ACS70331EESATR-2P5B3	1Mb / 26P	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages
	ACS70331EESATR-2P5U3	1Mb / 26P	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages

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Аналогичное описание - ACS70310

производитель	номер детали	датащи	подробное описание детали
Allegro MicroSystems	A1360_V	623Kb / 26P	Low-Noise Programmable Linear Hall Effect Sensor ICs with Adjustable Bandwidth (50 kHz Maximum) and Analog Output
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	ACS781	1Mb / 22P	High-Precision Linear Hall-Effect-Based Current Sensor IC With 200 關廓 Current Conductor
Micronas	HAL2455	454Kb / 30P	High-Precision Programmable Linear Hall-Effect Sensor with PWM Output
Allegro MicroSystems	ACS72981XLR	3Mb / 45P	High-Precision Linear Hall-Effect-Based Current Sensor IC with 200 關廓 Current Conductor
	ACS37612	2Mb / 22P	Coreless, High Precision, Hall-Effect Current Sensor IC with Common-Mode Field Rejection and High Bandwidth (240 kHz)
	ACS72981XLR	3Mb / 54P	High-Precision Linear Hall-Effect-Based Current Sensor IC with 200 μΩ Current Conductor Rev. 9 September 24, 2020

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