WMSIC Electronic Components

XBLW TLC555DTR

ModelTLC555DTR(XBLW)
PackageSOP-8
BrandXBLW
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XBLW TLC555DTR(XBLW)
Type
XBLW
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
TLC555DTR(XBLW)
Electronic Component
1
Package
SOP-8
Electronic Component
555 Timer
Electronic Component
0.207g
Electronic Component
1
Features
positions
Electronic Component
BM0265621944
Electronic Component
1
Operating Temperature
20℃~+85℃
Operating Voltage
4.5V~15V
Operating Current
80uA
Output Current
100mA
Electronic Component
Electronic Component

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

TLC555DTR(XBLW芯伯乐)产品概述

TLC555DTR是芯伯乐(XBLW)推出的单通道CMOS精密定时器,兼容传统555系列功能框架,针对低功耗、小体积场景优化,适用于便携设备、小型电子系统的时序控制需求。以下从核心功能、参数、应用等维度展开详细说明。

一、产品定位与核心功能

TLC555DTR定位于低功耗小型时序控制器件,核心功能覆盖三大经典模式:

  1. 单稳态触发器:实现精准延时(如设备开机延时、按键防抖);
  2. 多谐振荡器:生成可调占空比的方波(如LED闪烁、蜂鸣器驱动);
  3. 施密特触发器:对模拟信号整形(如传感器输出、噪声信号滤波)。

相比传统双极型NE555,该器件采用CMOS工艺,在功耗、精度上具备明显优势,更适合电池供电的便携设备。

二、基础参数详解

TLC555DTR的关键参数与应用匹配度高,核心参数如下:

参数项 规格值 应用意义 定时器通道数 1 单通道设计,结构简单易集成 工作电压范围 4.5V~15V 兼容单节锂电池(4.2V)、5V/12V系统 输出电流(典型值) 100mA 直接驱动LED、小型继电器、蜂鸣器(无需额外驱动) 工作电流(典型值) 80uA 低功耗适合电池供电(连续工作时长提升100倍+) 工作温度范围 -20℃~+85℃ 覆盖家用、办公及部分工业环境 定时精度(典型值) ±1% 延时/脉冲生成精度稳定 温度系数(典型值) 50ppm/℃ 宽温环境下性能波动小

三、封装与引脚定义

TLC555DTR采用SOP-8小外形贴片封装,尺寸约5.2mm×6.2mm,适合高密度PCB布局。引脚遵循标准555定义:

  1. 1脚(GND):电源地;
  2. 2脚(TRIG):触发输入(低电平有效,触发单稳态/多谐振荡);
  3. 3脚(OUT):信号输出(高电平≈VCC,低电平≈0V);
  4. 4脚(RESET):复位端(低电平有效,默认接VCC禁用复位);
  5. 5脚(CONTROL):阈值控制端(通常接0.01uF电容去耦,调整阈值电压);
  6. 6脚(THRESH):阈值输入(高于2/3VCC触发输出翻转);
  7. 7脚(DISCH):放电端(接定时电容放电回路,控制电容充放电);
  8. 8脚(VCC):电源正极。

四、典型应用场景

TLC555DTR的低功耗、小体积特性,使其在以下场景广泛应用:

  1. 便携设备:小型闹钟(定时唤醒)、电子计时器(如运动计时);
  2. 消费电子:加湿器定时开关、小夜灯闪烁控制、智能玩具脉冲驱动;
  3. 工业辅助电路:简单延时继电器(如电机启动延时)、信号整形(传感器输出滤波);
  4. 教育实验:基础时序电路搭建(单稳态/多谐振荡实验)。

五、选型与使用注意事项

为保证器件稳定工作,需注意以下要点:

  1. 电源匹配:避免低于4.5V(工作不稳定)或高于15V(器件损坏);
  2. 定时元件:
    • 电容优先选陶瓷/钽电容(漏电流小,提升定时精度);
    • 电阻取值1kΩ10MΩ,电容取值0.01uF100uF(避免过大/过小影响充放电);
  3. 复位脚处理:4脚默认接VCC(禁用复位),若需外部复位则接低电平有效信号;
  4. 负载限制:输出电流≤100mA,过载需加三极管驱动(如PNP/NPN扩流);
  5. 去耦电容:5脚必须接0.01uF陶瓷电容到GND,滤除电源噪声。

六、可靠性与环境适应性

XBLW对TLC555DTR进行了严格可靠性测试,满足主流应用需求:

  • ESD防护:HBM±2kV、MM±200V(符合GB/T 17626.2标准);
  • 焊接兼容性:回流焊260℃/10s、波峰焊260℃/5s(适配标准贴片工艺);
  • 寿命:典型工作寿命≥10万小时(MTBF);
  • 抗干扰:内置电源滤波电路,抗电磁干扰能力优于传统NE555。

TLC555DTR作为芯伯乐的经典定时器产品,在低功耗、小体积场景下具备高性价比优势,是替代传统NE555的理想选择。

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