WMSIC Electronic Components

ALLEGRO ACS723LLCTR-10AB-T ACS723LLCTR

ModelACS723LLCTR-10AB-T
PackageSOIC-8
BrandALLEGRO
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ALLEGRO ACS723LLCTR-10AB-T
Type
ALLEGRO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ALLEGRO
Electronic Component
ACS723LLCTR-10AB-T
Electronic Component
1
Package
SOIC-8
Electronic Component
80kHz
Electronic Component
Current Sensor
Electronic Component
0.197g
Electronic Component
200mV/A
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0265124915
Operating Temperature
40℃~+150℃
Operating Voltage
5V
Current Resistor
0.65mΩ
(tr)
5us

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ACS723LLCTR-10AB-T 产品概述

一、产品简介

ACS723LLCTR-10AB-T 为美国 ALLEGRO(埃戈罗)出品的一款高性能电流传感器,采用 SOIC-8 封装,工作电源 5V,支持 AC 和 DC 双向电流测量。器件基于霍尔效应集成设计,内部包含低阻抗电流通路与霍尔感应元件,实现被测电流与输出电压之间的线性转换。该器件适用于需要隔离、低插入损耗与快速响应的电流检测场景。

二、主要电气与机械参数

  • 测量范围:±10 A(双向检测)
  • 工作电压:5 V
  • 灵敏度:200 mV/A(典型)
  • 隔离电压(Vrms):2400 Vrms(测得的隔离能力,用于区分电流回路与逻辑侧)
  • 带宽:80 kHz(典型)
  • 响应时间(tr):5 μs(典型,快速捕捉瞬态)
  • 电流端电阻(导通路径电阻):0.65 mΩ(极低的插入电阻,减少功率损耗与热量产生)
  • 工作温度范围:-40 ℃ 至 +150 ℃
  • 封装:SOIC-8,便于 PCB 安装与批量制造

三、输出特性与计算示例

ACS723 在无电流时输出约为 Vcc/2(当 Vcc = 5 V 时约为 2.5 V)。输出与输入电流成线性关系,公式如下: Vout = Vcc/2 + (I × Sensitivity)

以 5 V、200 mV/A、测量范围 ±10 A 为例:

  • 0 A → Vout ≈ 2.5 V
  • +10 A → Vout ≈ 2.5 V + 10 A × 0.2 V/A = 4.5 V
  • -10 A → Vout ≈ 2.5 V − 10 A × 0.2 V/A = 0.5 V

该线性输出便于直接连接 MCU/ADC 采样,实现电流波形的实时监测与数字处理。

四、典型应用场景

  • 开关电源与逆变器中的电流检测与保护
  • 电机控制系统:实时电流反馈与过流保护
  • 电池管理系统(BMS):充放电电流监测
  • 电源监控与能量计量前端
  • 工业控制与电源滤波、故障诊断等需要高速响应的场合

五、设计与使用要点

  • 电源耦合与去耦:建议在 VCC 引脚附近放置 0.1 μF 陶瓷去耦电容,以稳定供电并抑制高频噪声。
  • PCB 布局:电流通路应尽量采用单宽且低阻抗的走线,避免不必要的绕行;模拟地与数字地分割,必要时采取单点接地以降低噪声耦合。
  • 磁干扰防护:霍尔传感器对外部磁场敏感,避免高强度磁场源靠近传感器核心位置,必要时使用屏蔽或调整器件摆放。
  • ADC 配置:根据 200 mV/A 灵敏度与 ADC 分辨率选择适当的采样速率与输入范围。若需要测量接近满刻度的瞬态,请保证 ADC 输入带宽与采样率能够覆盖 80 kHz 的传感器带宽与 5 μs 响应能力。
  • 隔离注意事项:器件本身提供 2400 Vrms 的隔离等级,但系统设计中仍应按具体安全标准进行隔离策略与绝缘距离验证。

六、优势与适配建议

  • 低插入损耗:0.65 mΩ 的电流端电阻显著降低导通功率损耗,适合大电流连续测量场合。
  • 宽带与快响应:80 kHz 带宽与 5 μs 响应时间使其能捕捉快速电流脉冲与转矩突变,适配电机驱动与开关电源瞬态分析。
  • 宽温度范围:-40 ℃ 至 +150 ℃ 的工作温度使其可在严格的工业环境和恶劣条件下可靠工作。
  • 封装兼容性:SOIC-8 封装便于自动贴装与批量生产,适合商用及工业级板级集成。

七、总结

ACS723LLCTR-10AB-T 是一款面向 AC/DC 双向电流检测的通用型集成霍尔电流传感器,兼具高精度、低损耗、快速响应与良好隔离能力。适用于电源、马达控制、BMS 与工业测量等多种场景。设计时注意电源去耦、合理布线与电磁环境控制,可发挥该器件的最佳性能。若需用于特定认证或更高隔离等级的系统,请结合完整器件数据手册与系统安全标准进行详细验证与测试。

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