WMSIC Electronic Components

ALLEGRO A1101LLHLX-T A1101LLHLX

ModelA1101LLHLX-T
PackageSOT-23
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

17 specifications

Core information

Product name
ALLEGRO A1101LLHLX-T
Type
ALLEGRO
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ALLEGRO
Electronic Component
A1101LLHLX-T
Electronic Component
1
Package
SOT-23
Electronic Component
Hall Switch
Electronic Component
0.041g
Electronic Component
1
Electronic Component
BM0265124913
Operating Temperature
40℃~+150℃
Operating Voltage
3.8V~24V
Operating Current
4.1mA
Electronic Component
Electronic Component
Electronic Component
10000

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

A1101LLHLX-T 产品概述

一、产品简介

A1101LLHLX-T 是 ALLEGRO(美国埃戈罗)推出的汽车级单极霍尔传感器,采用三引脚 SOT-23 封装,满足 AEC‑Q100 标准,适用于车用与工业级磁感知场合。器件为单极(unipolar)开关型设计,能够在指定磁极靠近时切换输出,输出端可承受高达 25 mA 的负载电流,且带有宽电压与宽温度工作能力,适配多种供电与环境需求。

二、关键电气与机械参数

  • 工作电压:3.8 V ~ 24 V(宽幅电源输入,兼容 5V/9V/12V/15V/18V 常见车用电源)
  • 静态工作电流:典型 4.1 mA(低功耗,有利于车载与便携系统)
  • 输出驱动能力:可驱动至 25 mA(适合直接驱动小型负载或下游逻辑输入)
  • 工作温度范围:-40 ℃ ~ +150 ℃(满足严苛环境与发动机舱温度要求)
  • 封装:3 引脚 SOT-23,带 T/R(卷带包装,适合SMT贴片生产)

(注:具体触发/释放磁场值、迟滞量与输出极性请以官方数据手册为准。)

三、主要特性与优势

  • 汽车级可靠性:通过 AEC‑Q100 认证,具备更高的热循环与机械应力耐受能力。
  • 宽电压适应:3.8–24 V 的供电范围使器件可直接工作于多种车载电源系统,无需外部升压/降压电路。
  • 低功耗:典型工作电流只有数毫安,便于电源管理与散热控制。
  • 小型封装:SOT‑23 体积小,便于空间受限的 PCB 布局与高速贴装制造。
  • 直接驱动能力:输出能承受最高 25 mA,有利于简化外部驱动器设计。

四、典型应用场景

  • 车轮速度/转速检测与齿轮位置检测(ABS、传动系统)
  • 无刷直流电机(BLDC) 转子位置感知与换相控制
  • 位置限位与接近检测(门锁、窗升降、座椅位置)
  • 轴向/轮廓位置反馈与齿形轮廓检测
  • 工业自动化中非接触式开关与计数应用

五、使用建议与注意事项

  • 去耦电容:为了保证电源稳定,建议 VCC 与 GND 之间靠近器件焊盘放置 0.1 μF 陶瓷去耦电容。
  • 上拉/下拉电阻:输出端若连接到开漏/开集电极配置的系统,请根据下游逻辑选择合适的上/下拉电阻;若输出为推挽结构,请参考数据手册确认。
  • 热与散热:尽管器件耐高温,但在高功率或密集布局下应考虑 PCB 散热路径,避免长期高温应力。
  • ESD 与反向保护:车载环境存在瞬态尖峰,建议在电源线上配合 TVS 二极管及合适滤波以提高系统稳定性;输出端如需抗干扰可并联 RC 滤波。
  • 安装与回流焊工艺:遵循 ALLEGRO 推荐的回流曲线与焊盘布局以保证焊接可靠性;-T 后缀表明为卷带包装,便于自动化贴片。

六、封装与订购信息

  • 封装形式:SOT‑23(3 引脚)
  • 包装方式:T/R(卷带,适合量产 SMT)
  • 型号说明:A1101LLHLX-T 为 ALLEGRO 标准型号,具体电气特性与阈值、迟滞等请参阅原厂数据手册并在设计验证中测量确认。

如需进一步的电气参数(如磁开关点 BOP、释放点 BRP、迟滞 BH、输出类型与引脚定义)、典型应用电路或 PCB 焊盘建议图,我可提供相应的资料与设计建议。

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