WMSIC Electronic Components

ALLEGRO ACS770ECB-200B-PFF-T ACS770ECB

ModelACS770ECB-200B-PFF-T
PackageCB-5
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 ACS770ECB-200B-PFF-T
Type
ALLEGRO
Minimum package
34 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ALLEGRO
Electronic Component
ACS770ECB-200B-PFF-T
Electronic Component
1
Package
CB-5
Electronic Component
120kHz
Electronic Component
Current Sensor
Electronic Component
7.73g
Electronic Component
10mV/A
Electronic Component
1
Features
positions
Electronic Component
BM0265125553
Operating Temperature
40℃~+85℃
Operating Voltage
5V
(tr)
4.1us
Current
Electronic Component

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

ACS770ECB-200B-PFF-T 霍尔电流传感器产品概述

一、产品定位与核心功能

ACS770ECB-200B-PFF-T是美国ALLEGRO(埃戈罗)推出的高隔离霍尔效应电流传感器,专为中高功率场景下的AC/DC电流检测设计。产品核心功能是实现无接触、高精度的电流信号采集与转换,支持双向电流测量(覆盖交流与直流),可直接适配MCU、DSP等控制电路,广泛应用于工业自动化、新能源、电力电子等领域。

二、关键技术参数解析

该传感器的核心参数直接决定其应用场景与性能边界,关键参数解读如下:

  • 电流测量范围:200A AC/DC(双向)——覆盖常见中功率设备(如伺服电机、充电桩)的电流量程,无需额外切换电路;
  • 工作电压:5V DC——低电压供电适配多数控制电路,集成难度低;
  • 隔离电压(Vrms):4800Vrms——满足高压隔离安规要求,有效隔离一次侧(被测电流端)与二次侧(信号输出端)的电气危险;
  • 灵敏度:10mV/A——线性输出特性稳定,每1A电流对应10mV电压输出,简化信号处理与校准流程;
  • 带宽:120kHz——支持高频电流信号(如变频电机开关频率)的准确采集;
  • 响应时间(tr):4.1μs——瞬态响应快,可实时捕捉电流突变(如电机启动、负载切换);
  • 工作温度:-40℃~+85℃——宽温范围适应 harsh环境(户外充电桩、工业车间)。

三、设计特点与核心优势

基于ALLEGRO霍尔效应技术,该传感器具备以下突出优势:

  1. 无接触测量:通过磁场感知电流而非直接串联电路,无电气损耗、无接触磨损,延长使用寿命;
  2. 高隔离安全:4800Vrms隔离电压满足UL、CE安规,保护二次侧电路免受一次侧高压冲击;
  3. 双向检测兼容:无需额外切换电路即可测量正反向电流,适配电机正反转、电池充放电等场景;
  4. 高带宽+快响应:120kHz带宽+4.1μs响应时间,可准确采集高频开关电源、变频电机的动态电流;
  5. 低功耗集成:5V供电下功耗低,内置信号调理电路(无需外部运放),直接输出模拟电压,简化系统设计。

四、典型应用场景

该传感器性能匹配多领域需求,典型应用包括:

  • 工业自动化:伺服电机、变频电机的电流闭环控制,机器人关节电流监测;
  • 新能源:光伏逆变器直流侧电流检测,电动汽车(EV)/充电桩高压直流监测;
  • 电力电子:UPS电源、开关电源输出电流监控,电焊机焊接电流控制;
  • 电力监控:配电系统、智能电表实时电流采集,电网谐波电流监测。

五、环境适应性与可靠性

产品可靠性适配复杂工况:

  • 宽温稳定性:-40℃~+85℃工作温度,可在温差较大的户外、工业场景稳定运行;
  • 抗干扰能力:霍尔效应原理对电磁干扰(EMI)免疫性强,适配高电磁环境(如电机驱动系统);
  • 长期一致性:ALLEGRO工艺保证灵敏度、线性度的长期稳定,减少维护成本。

六、使用注意事项

为保证性能与安全,使用时需注意:

  1. 供电电压稳定在5V±5%范围内,避免过压损坏;
  2. 被测电流不超过200A(峰值需控制在额定范围),防止磁芯饱和;
  3. 安装满足4800Vrms爬电距离要求,确保隔离安全;
  4. 输出端匹配1kΩ~10kΩ负载电阻,保证线性输出;
  5. 避免机械冲击/振动,防止霍尔元件偏移。

该传感器凭借高隔离、宽带宽、双向检测等优势,成为中高功率电流监测的高性价比选择,适配多行业的动态电流控制与监测需求。

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