WMSIC Electronic Components

Infineon TLE49641MXTSA1

ModelTLE49641MXTSA1
PackagePG-SOT23-3-15
BrandInfineon
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Infineon TLE49641MXTSA1
Type
INFINEON
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
TLE49641MXTSA1
Electronic Component
1
Package
PG-SOT23-3-15
Type
Electronic Component
Electronic Component
Hall Switch
Electronic Component
0.004g
Electronic Component
1
Features
Voltage; Built-in Oscillator
Electronic Component
BM0264382901
Operating Temperature
40℃~+170℃
Operating Voltage
3V~32V
Operating Current
1.6mA
Output Current
25mA

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

TLE49641MXTSA1 单极型霍尔效应开关产品概述

一、产品定位与核心设计目标

TLE49641MXTSA1是英飞凌(Infineon)推出的高精度汽车级单极霍尔效应开关,专为对磁阈值精度、宽温稳定性及供电兼容性要求严苛的应用场景打造。其核心设计聚焦三大方向:
一是覆盖汽车及工业领域的宽电压/宽温范围,适配多场景供电与极端环境;
二是强化磁阈值的温度稳定性,降低极端温度对检测精度的干扰;
三是兼顾小型化封装与低功耗,满足紧凑型设备的集成需求。

二、关键性能参数与技术亮点

该器件的参数设计针对性强,核心指标直接服务于高精度与宽环境适配:

2.1 供电与功耗特性

  • 宽电压输入:支持3V~32V直流供电,可无缝适配乘用车12V系统、商用车24V系统,以及部分工业设备的宽电压场景,无需额外稳压电路即可稳定工作;
  • 低工作电流:典型工作电流仅1.6mA,持续监测场景下功耗极低,适合电池供电的便携式设备或对功耗敏感的汽车子系统;
  • 输出驱动能力:开漏输出最大可承载25mA电流,可直接驱动小型负载(如LED指示灯、继电器线圈),或通过三极管扩展驱动更大负载。

2.2 磁阈值与温度稳定性

作为单极型霍尔开关,磁阈值是核心精度指标:

  • 工作点(Gs):23.5Gs(1Gs=0.1mT,即2.35mT),外部磁场达到该值时触发输出;
  • 释放点(Gs):8.4Gs(即0.84mT),磁场降至该值以下时恢复初始状态;
  • 温度稳定性:磁阈值随温度变化极小,避免-40℃低温或170℃高温下的误触发/误释放,支撑高精度应用需求。

2.3 环境适应性

  • 宽工作温度:-40℃~+170℃,覆盖汽车发动机舱、工业高温设备等极端环境,满足汽车级AEC-Q100认证要求;
  • 封装可靠性:采用PG-SOT23-3-15小型表面贴装封装,体积紧凑(适配空间受限的PCB设计),具备抗振动、抗冲击能力,适配汽车行驶中的机械应力场景。

三、典型应用场景

TLE49641MXTSA1的参数特性使其在多领域具备竞争力,核心应用集中在:

3.1 汽车电子领域

  • 位置检测:节气门位置传感器、换挡杆位置检测、电动座椅调节、车门锁状态监测;
  • 电机控制:小型直流电机换向检测、风扇电机转速监测;
  • 安全系统:安全带锁扣检测、儿童安全座椅安装检测。

3.2 工业与消费电子

  • 工业接近开关:流水线物体检测、机械臂位置反馈;
  • 消费电子:智能家居门窗状态检测、小型家电翻盖/滑动检测。

四、设计注意事项

为充分发挥器件性能,设计时需注意:

  1. 输出配置:开漏输出需外接1kΩ~10kΩ上拉电阻(依逻辑电平调整),避免悬空导致输出不稳定;
  2. 磁场匹配:需选择钕铁硼等合适磁体,确保磁场强度在工作点与释放点之间,避免磁饱和或磁场不足;
  3. 电源滤波:电源引脚并联100nF陶瓷电容,抑制电磁干扰(EMI),提升宽电压输入下的稳定性。

五、总结

TLE49641MXTSA1作为英飞凌汽车级高精度单极霍尔开关,以宽电压、宽温、高磁阈值稳定性、小型化为核心优势,精准匹配汽车电子、工业传感等领域的严苛需求。其参数设计兼顾性能与成本,是替代传统机械开关或低精度霍尔器件的理想选择,尤其适合对环境适应性要求高、精度要求严格的紧凑型应用场景。

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