WMSIC Electronic Components

NTB0104BQ,115 NTB0104BQ

ModelNTB0104BQ,115
PackageDHVQFN-14-EP(2.5x3)
BrandNXP
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP NTB0104BQ, 115
Type
NXP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
NTB0104BQ,115
Electronic Component
1
Package
DHVQFN-14-EP(2.5x3)
Electronic Component
Converter / Level positions
Electronic Component
0.078g
Electronic Component
1
Features
Output
Electronic Component
BM0245802446
Operating Temperature
40℃~+125℃
Output Type
Electronic Component
Type
Electronic Component
Operating Voltage(VCCA)
1.2V~3.6V
Operating Voltage(VCCB)
1.65V~5.5V
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.

NTB0104BQ,115 产品概述

一、产品简介

NTB0104BQ,115 是恩智浦(NXP)推出的一款四通道双向电压电平转换器,采用 DHVQFN-14-EP (2.5 × 3 mm) 超小封装,适用于不同电压域之间的双向数字信号接口。器件支持自动方向检测和断电保护,输出为三态(高阻)模式,数据传输速率可满足高达 100 Mbps 的应用需求。工作电压范围宽,VCCA 为 1.2 V ~ 3.6 V,VCCB 为 1.65 V ~ 5.5 V,工作温度为 -40 ℃ ~ +125 ℃,非常适合工业级及多电压系统的接口电平匹配。

二、主要特性

  • 双向(bi-directional)电平转换,支持四通道(每路独立)。
  • 自动方向检测,免去额外方向控制信号。
  • 输出类型:三态(具 OE/使能控制),便于总线共享与上电管理。
  • 工作电压:VCCA = 1.2 V ~ 3.6 V;VCCB = 1.65 V ~ 5.5 V。
  • 数据速率:最高可达 100 Mbps,满足中高速数字接口需求。
  • 断电保护(power-off protection / Ioff),允许任意电源顺序上电/断电,避免回流。
  • 工作温度:-40 ℃ ~ +125 ℃(工业温度等级)。
  • 封装:DHVQFN-14-EP (2.5 × 3 mm),适合高密度 PCB 布局。

三、典型应用场景

  • 不同电压域 MCU/FPGA 与外设之间的接口电平转换(如 1.8V 与 3.3V、5V 设备之间)。
  • 多电压系统中的 GPIO、电平控制信号、串行低速/中速数据链路(UART、GPIO、控制总线等)。
  • 嵌入式系统、消费电子、工业控制及通信设备中需要体积小、功耗低的电平移位场合。
  • 需要安全断电特性与任意电源顺序的系统设计。

四、设计与使用建议

  • 电源与去耦:在 VCCA 和 VCCB 靠近器件引脚处各放置 0.1 μF 陶瓷去耦电容,并接地良好。封装的外露焊盘(EP)应与 PCB 地平面可靠焊接并通过盲/通孔连接至内部地层,以利散热与稳定性。
  • OE/使能控制:利用器件的三态输出特性可在总线上实现多个设备共享。设计时应将 OE 管脚放置为可控状态,以便在外围器件冲突或上电阶段将其设为高阻态。
  • 上拉电阻:根据具体器件内部结构(自动方向检测器通常依赖上拉)与系统需求,为信号线配置合适阻值的上拉电阻以确保空闲电平与信号完整性。若目标侧存在强驱动或芯片内置上拉,可适当调整外部上拉。
  • 电源顺序与断电保护:器件支持断电保护,允许任意电源顺序,但仍建议在系统设计阶段验证在各种上电/断电条件下的行为。避免在信号线存在强驱动的同时,针对未上电侧短时间被驱动造成的局部热应力。
  • PCB 布局:信号线尽量短且成对布线,避免长走线产生串扰;对差分或高频信号应注意阻抗匹配。为提升散热性能,保证外露焊盘与内部地层良好接触。

五、封装与引脚概览

  • 封装型号:DHVQFN-14-EP(2.5 × 3 mm),含外露焊盘(EP)用于散热与接地。
  • 典型引脚功能(常见):VCCA、VCCB、GND、OE(使能)、A1–A4、B1–B4、EP(焊盘/地)。(实际引脚排列请参照官方封装图与引脚定义)

六、选型与可靠性要点

  • 工作电压范围宽、支持 5.5 V 侧,适配许多 5 V 外设但同时能兼顾较低电压侧设备(1.2 V ~ 3.6 V)。
  • 工业温度范围(-40 ℃ ~ +125 ℃)适合要求较高环境可靠性的应用。
  • 在对传输速率、上拉值、总线拓扑等有特殊要求的场景,应参考器件完整数据手册并进行信号完整性评估和电磁兼容性验证。
  • 若用于汽车级应用,请确认是否需要满足 AEC 标准并核对具体器件的认证与等级。

总结:NTB0104BQ,115 是一款体积小、功能完备的四通道双向电平转换器,具备自动方向检测与断电保护,适合多电压域系统中对中低速数字信号进行可靠、透明的电平匹配。选择与设计时应关注电源去耦、上拉电阻配置及 PCB 散热接地处理,以确保长期稳定运行。

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