WMSIC Electronic Components

TI ESD562DBZR

ModelESD562DBZR
PackageSOT-23
BrandTI
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
TI(Texas Instruments) ESD562DBZR
Type
TI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
ESD562DBZR
Electronic Component
1
Package
SOT-23
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.032g
Electronic Component
1
Cj- Capacitor
1.5pF
Electronic Component
BM0227585033
Operating Temperature
40℃~+125℃
Voltage
21V
Current(Ir)
10nA
Voltage(VBR)
18V
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.

ESD562DBZR 产品概述

一、产品简介

ESD562DBZR 是德州仪器(TI)推出的一款双通道双向 12V ESD 保护器件,专为对接口与数据线提供高可靠性的瞬态过压防护而设计。器件工作电压(反向截止电压)为 12V,具备低结电容(Cj = 1.5pF)、低漏电流(Ir = 10nA)及快速钳位能力,适合高速信号通路与对称线路的抗静电与浪涌保护。器件采用 SOT-23 封装,体积小,便于贴片安装与批量生产。

二、主要参数

  • 类型:ESD(双通道、双向)
  • 工作电压(Vrwm):12V
  • 击穿电压(VBR):18V
  • 钳位电压:21V(典型值)
  • 峰值脉冲电流(Ipp):3A @ 8/20µs
  • 反向漏电流(Ir):10nA(在 Vrwm 条件下)
  • 结电容(Cj):1.5pF(典型值,适合高速信号)
  • 工作温度范围:-40°C ~ +125°C
  • 封装:SOT-23
  • 品牌:TI(德州仪器)
    这些参数表明该器件在对高速、敏感信号线进行 ESD 与瞬态浪涌抑制时,能兼顾低失真与良好的钳位性能。

三、关键特性与优势

  • 双通道双向保护:单芯片即可保护两路双向信号通路,节省 PCB 空间并简化设计。
  • 低结电容(1.5pF):对高速差分信号(例如 USB、HDMI、LVDS 等)影响小,保留信号完整性。
  • 低漏电流(10nA):适合对低功耗与高阻抗输入电路的保护,不会显著增加静态功耗或影响 ADC/传感器输入。
  • 良好钳位能力(21V):在 8/20µs 浪涌情况下,能将瞬态电压钳制在安全范围,保护下游器件。
  • 小型封装(SOT-23):便于贴片生产,适合空间受限的便携式或消费类电子设备。

四、典型应用场景

  • 移动设备与便携式终端的 I/O 口保护(按键、充电口周边)
  • 通讯接口与数据线防护(如低压差分对、串行总线的外部保护)
  • 工业与汽车电子中对传感器或测量通道的瞬态保护(注意具体车规要求需另行验证)
  • 需要高信号完整性的应用场合,例如高速接口前端的 ESD 防护
  • 任何对体积、功耗与保护性能有综合要求的消费类电子产品

五、封装与布局建议

  • 尽量将 ESD562DBZR 靠近被保护的外部接口焊盘放置,缩短连接线以降低感抗与寄生电感。
  • 将器件地端通过短且多的过孔尽快引到主地平面,改善钳位回流路径,减少地弹回电压。
  • 对高速信号,留意走线阻抗匹配与差分对对齐,避免在保护器件处产生不必要的阻抗跳变。
  • SOT-23 封装便于在有限空间内布局,但应预留合理的焊盘尺寸与热弧区,便于可靠焊接与返修。

六、使用与注意事项

  • 器件为双向结构,可直接用于正负极性可能出现的瞬态事件,但工作电压应保证在 Vrwm(12V)以下。
  • 虽然 Ipp 为 3A(8/20µs),但频繁或高能量脉冲会降低器件寿命,应在系统层面评估浪涌能量并酌情采用外部限流或串联元件。
  • 在高温或极端工作环境下,需关注器件热稳定性与周围器件的散热路径,避免长期接近温度极限。
  • 若用于汽车或军工等特殊等级产品,请在设计阶段确认是否满足相应认证与可靠性试验要求。
  • 对于要求更高钳位或更大浪涌能量保护的场合,可级联或配合其他抑制器件(如 TVS 堆叠、熔断器)使用。

七、总结

ESD562DBZR 以其双通道双向保护、低结电容与低漏电流等优点,适合用于对体积敏感且对信号完整性要求较高的接口和数据线保护。其典型钳位电压 21V、峰值脉冲电流 3A(8/20µs)以及 12V 的工作电压,使其成为消费电子、通信与工业控制等领域的理想选择。在实际应用中,合理的 PCB 布局与系统级保护策略能够充分发挥该器件的防护能力并延长系统可靠性。若需器件的具体封装图、引脚定义、典型特性曲线与应用电路,建议参考 TI 官方器件数据手册以获取完整规格与测试条件。

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