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XBLW ACS712ELCTR-05B-T ACS712ELCTR
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XBLW ACS712ELCTR-05B-T(XBLW)
- Type
- XBLW
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XBLW
- Electronic Component
- ACS712ELCTR-05B-T(XBLW)
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- 120kHz
- Electronic Component
- Current Sensor
- Electronic Component
- 0.104g
- Electronic Component
- 185mV/A
- Electronic Component
- 1
- Features
- positions
- Electronic Component
- BM0265621949
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.5V~5.5V
- Current Resistor
- 1.5mΩ
- (tr)
- 4us
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ACS712ELCTR-05B-T（XBLW）霍尔电流传感器产品概述
ACS712ELCTR-05B-T是芯伯乐（XBLW）推出的一款双向线性霍尔电流传感器，基于霍尔效应原理实现非接触式电流检测，核心针对5A量程的中低电流场景设计，兼具高隔离、宽温适应、快速响应等特性，适用于工业控制、电源监测、汽车电子等多领域的电流反馈需求。
一、核心定位与设计原理
该传感器通过内置霍尔元件感知被测电流产生的磁场，将磁场信号转换为线性电压输出，无需与被测电路直接电连接，天然具备电气隔离能力。其设计围绕“精准、安全、易集成”展开：既解决了传统分流电阻“功耗大、无隔离、温度敏感”的痛点，又通过小封装适配高密度PCB布局，是工业级电流检测的高性价比替代方案。
二、关键电气参数详解
参数 规格值 实际意义 电流测量范围 双向5A 可同时检测正负电流（如电池充放电、电机正反转电流），无需切换电路 工作电压 4.5V~5.5V 兼容常见5V电源系统，电源波动对输出影响极小（典型±0.1%误差） 隔离电压（Vrms） 2500Vrms 输入（电流端）与输出（电压端）完全电气隔离，保护后端MCU免受高压冲击 灵敏度 185mV/A 每1A电流对应185mV电压输出，线性度优异（典型非线性度±0.5%） 工作温度范围 -40℃~+150℃ 覆盖工业级宽温场景（如户外光伏逆变器、车载高温环境） 带宽 120kHz 可响应高频电流信号（如开关电源纹波、电机PWM驱动电流） 电流端电阻 1.5mΩ 被测电路损耗极低（5A时仅0.0375W），不影响系统正常工作 响应时间（tr） 4us 瞬态电流波动（如电机启动瞬间）捕捉精度高，避免过载故障三、封装与物理特性
采用SOP-8贴片封装，尺寸约5.2mm×6.2mm×1.5mm，体积小巧，适配大多数PCB的贴片焊接工艺。引脚定义清晰（典型：VCC、GND、OUT、NC、IP+、IP-、NC、NC），其中IP+、IP-为电流输入端（直接串联被测线路，无需额外驱动），OUT为电压输出端（直接接MCU ADC即可读取电流值）。
四、性能优势与典型应用
4.1 核心性能优势
- 双向检测无切换：同时兼容正负电流，简化系统设计（如电池充放电监测无需额外继电器）；
- 高隔离安全可靠：2500Vrms隔离满足医疗、工业等对电气安全要求高的场景；
- 低损耗不干扰被测电路：1.5mΩ电流端电阻几乎不影响系统功耗，尤其适合低功耗设备；
- 宽温稳定免补偿：-40℃~+150℃范围内输出特性变化极小，无需额外温度校准；
- 快速响应瞬态信号：4us响应时间可精准捕捉电机启动、开关电源瞬态等电流波动。
4.2 典型应用场景
- 工业控制：变频器电机电流反馈、PLC负载过流保护；
- 电源领域：开关电源输出电流检测、LED驱动电源限流；
- 电池管理：电动车BMS充放电电流监测、储能电池状态检测；
- 汽车电子：12V车载负载电流检测、充电桩电流反馈；
- 光伏/风电：逆变器并网电流检测、光伏组件输出电流监测。
五、选型与使用注意事项
- 量程匹配：仅适用于5A以内电流，超量程需选ACS712的10A/20A型号；
- 电源要求：需用纹波<50mV的稳定5V电源，避免波动导致输出误差；
- PCB布局：电流输入端（IP+、IP-）走线短粗（减少寄生电感），输出端并联0.1uF陶瓷电容滤波；
- 隔离设计：输入与输出电路需分属不同电源域，确保隔离效果；
- ESD防护：焊接时用防静电工具，避免静电损坏霍尔元件；
- 校准建议：需极高精度时，可在工作温度内对5A满量程（输出~925mV）单点校准。
该产品凭借高性价比、稳定可靠的特性，已成为工业与消费电子领域小电流检测的主流选择，芯伯乐的原厂级品质保障进一步提升了其市场竞争力。
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