WMSIC Electronic Components

MSKSEMI MTXS0102DCUR

ModelMTXS0102DCUR
PackageVSSOP-8
BrandMSKSEMI
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

19 specifications

Core information

Product name
MSKSEMI MTXS0102DCUR
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
MTXS0102DCUR
Electronic Component
1
Package
VSSOP-8
Electronic Component
Converter / Level positions
Electronic Component
0.039g
Electronic Component
1
Features
Output; Integrated Resistor
Electronic Component
BM0257677016
Operating Temperature
40℃~+85℃
Data
24Mbps
Output Type
Electronic Component
Type
Electronic Component
Operating Voltage(VCCA)
1.65V~3.6V
Operating Voltage(VCCB)
2.3V~5.5V

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

MTXS0102DCUR 产品概述

一、产品简介

MTXS0102DCUR 是一款双通道双向电平转换器,面向需要在不同供电电压域之间实现高速、自动方向检测的数据线互联场景。器件支持每通道最高 24 Mbps 的数据速率,A 侧供电电压范围为 1.65V 至 3.6V,B 侧供电电压范围为 2.3V 至 5.5V。器件输出支持三态,能够在电源缺失或失能时将接口置于高阻态,降低对系统其它部分的影响。封装为 VSSOP-8,工作温度范围为 -40℃ 至 +85℃。

二、主要特性

  • 双向通道:两个独立电路通道,可同时支持两条差异电压域的信号互通。
  • 自动方向检测:无需外部方向控制引脚,器件能根据线路电平自然判断信号流向并完成电平转换。
  • 三态输出:在电源断开或器件被失能时,输出进入高阻态,防止对外部总线产生干扰。
  • 低功耗、无源拉升兼容:适配被动拉升或外部上拉电阻的总线结构。
  • 宽电压域支持:VCCA 1.65V–3.6V,VCCB 2.3V–5.5V,方便实现低压 MCU 与 5V 外围设备的互联。
  • 工作温度:-40℃ 至 +85℃,满足工业级环境要求。

三、电气和功能要点

  • 数据速率:每通道最高可达 24 Mbps(典型应用下可靠传输速度受总线负载与上拉电阻影响)。
  • 供电约束:为保证正确工作,VCCA 与 VCCB 应分别接入稳定电源。器件在任意一侧电源欠压或关断时,会把对应侧输出置为高阻(具体行为以产品数据手册为准)。
  • 上拉电阻:器件设计用于与外部上拉电阻配合工作。上拉阻值需根据总线电容与目标上升时间选择:低速或 I2C 等可使用较大阻值(例如 10 kΩ 级);高数据率场合需减小阻值(数 kΩ 或更低)以保证足够的上升速率。
  • 负载能力与驱动:输出为三态,适合直接连接到总线;但推挽式重驱动场合建议评估功耗与热耗散。
  • ESD 与可靠性:常规应用需配合良好的 PCB 防护与电源滤波以提高系统抗扰度(具体 ESD 等级参考厂商完整资料)。

四、典型应用场景

  • MCU 与 5V 传感器、外设之间的信号互通(GPIO、UART、IRQ 等)。
  • I2C 总线或其他需要双向自适应方向的串行总线接口。
  • 多电压域系统中低速至中速并行/串行数据线的电平匹配。
  • 嵌入式平台、消费电子、工业控制中用于实现不同电压域模块间的直连,减少外部逻辑芯片数量与布线复杂度。

五、设计与 PCB 布局建议

  • 电源旁路:在 VCCA 与 VCCB 引脚各并联一颗 0.1 µF 的陶瓷旁路电容,靠近封装电源引脚放置,以降低瞬态噪声与提高稳定性。
  • 上拉电阻布局:上拉电阻应尽量靠近器件或总线终端,缩短信号回路,减少寄生电感与干扰。对于高速传输场合,优先采用阻值更小的上拉以满足上升时间需求。
  • 地平面与走线:为降低串扰与阻抗不连续问题,建议使用连续地平面并尽量缩短信号走线长度。敏感信号与高频信号应分层走线并保持适当间距。
  • 电源序列:虽然器件支持任意电压域通信,但在系统设计中仍应注意合理电源上电/断电顺序,防止因旁路供电引起的“幽灵”上电。
  • 散热与封装处理:VSSOP-8 小封装便于高密度布局,注意在高功耗或高环境温度下评估功耗与温升。

六、封装与可靠性说明

MTXS0102DCUR 提供 VSSOP-8 小封装,适合空间受限的板级应用。器件的工业级温度范围(-40℃ 至 +85℃)满足多数消费及工业应用需求。具体的封装尺寸、引脚排布、焊接工艺建议和可靠性试验数据应参考厂方完整数据手册与应用说明,以保证生产与长期可靠性。

总结:MTXS0102DCUR 以其双通道、自动方向检测与三态输出特性,为多电压域系统间的信号互联提供了简单、可靠的解决方案。正确选择上拉电阻、合理布置电源旁路与走线,可最大化其性能并简化总线设计。

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