Datasheet > ACS714

ACS714

更新时间： 2024-02-07 08:56:41

品牌	Logo	应用领域
急速微 - ALLEGRO		传感器
页数	文件大小	规格书
15页	695K
描述
Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

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ACS714 数据手册

ACS714

Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor

with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

Features and Benefits

Description

The Allegro^®ACS714 provides economical and precise

solutions forAC or DC current sensing in automotive systems.

The device package allows for easy implementation by the

customer. Typical applications include motor control, load

detection and management, switched-mode power supplies,

and overcurrent fault protection.

▪

Low-noise analog signal path

Device bandwidth is set via the FILTER pin

5 μs output rise time in response to step input current

80 kHz bandwidth

Total output error 1.5% typical, at T_A= 25°C

Small footprint, low-profile SOIC8 package

1.2 mΩ internal conductor resistance

2.1 kV_RMSminimum isolation voltage from pins 1-4 to pins 5-8

5.0 V, single supply operation

66 to 185 mV/A output sensitivity

Output voltage proportional to AC or DC currents

Factory-trimmed for accuracy

Extremely stable output offset voltage

Nearly zero magnetic hysteresis

Ratiometric output from supply voltage

Operating temperature range, –40°C to 150°C

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

sensor circuit with a copper conduction path located near the

surface of the die.Applied current flowing through this copper

conduction path generates a magnetic field which is sensed

by the integrated Hall IC and converted into a proportional

voltage. Device accuracy is optimized through the close

proximity of the magnetic signal to the Hall transducer. A

precise, proportional voltage is provided by the low-offset,

chopper-stabilized BiCMOS Hall IC, which is programmed

for accuracy after packaging.

Package: 8 pin SOIC (suffix LC)

The output of the device has a positive slope (>V_IOUT(Q)

)

when an increasing current flows through the primary copper

conduction path (from pins 1 and 2, to pins 3 and 4), which

is the path used for current sensing. The internal resistance of

this conductive path is 1.2 mΩ typical, providing low power

loss. The thickness of the copper conductor allows survival

Continued on the next page…

Approximate Scale 1:1

Typical Application

+5 V

VCC

IP+

V_OUT

VIOUT

0.^B1^YPμF

I_P

ACS714

FILTER

IP–

1^FnF

GND

Application 1. The ACS714 outputs an analog signal, V_OUT

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

primary sensed current, I_P, within the range specified. C_F

is recommended for noise management, with values that

depend on the application.

ACS714-DS

12 3 4 5 6 7...15

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与ACS714相关器件

型号	品牌	获取价格	描述	数据表
ACS714_13	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 2.1 kV
ACS714ELCTR-05B-T	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS
ACS714ELCTR-05B-T	SANKEN	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8
ACS714ELCTR-20A-T	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS
ACS714ELCTR-20A-T	SANKEN	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8
ACS714ELCTR-30A-T	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS
ACS714LLCTR-05B-T	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS
ACS714LLCTR-20A-T	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS
ACS714LLCTR-30A-T	ALLEGRO	获取价格	Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS
ACS714LLCTR-50A-T	SANKEN	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8

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