WMSIC Electronic Components

NT3H2111W0FHKH

ModelNT3H2111W0FHKH
PackageXQFN-8(1.6x1.6)
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
NXP NT3H2111W0FHKH
Type
NXP
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ISO 14443A,NFC
Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
NT3H2111W0FHKH
Electronic Component
1
Package
XQFN-8(1.6x1.6)
Electronic Component
RF Card IC
Electronic Component
0.01g
Frequency
13.56MHz
Electronic Component
1
Electronic Component
106Kbit/s
Features
Acquisition; Built-in; Data
Electronic Component
BM0231087108
Operating Voltage
3.3V
Interface Type
I2C

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

NT3H2111W0FHKH 产品概述

一、产品简介

NT3H2111W0FHKH 为恩智浦(NXP)面向近场通信应用的13.56 MHz射频识别(RFID)传感器/标签芯片。器件兼容 ISO 14443A/NFC 协议,通过 NFC 读写器以 106 kbit/s 的速率进行射频通信;同时提供 I2C 主从接口,便于微控制器对标签内部数据进行直接读写与动态更新。典型工作电压为 3.3V,封装为 XQFN-8(1.6 × 1.6 mm),适合空间受限的便携与嵌入式设备设计。

二、主要特性

  • 协议兼容:ISO 14443A / NFC,满足主流 NFC 读写器互操作性要求。
  • 射频参数:工作频率 13.56 MHz,通信速率 106 kbit/s(RF 通道)。
  • 数字接口:I2C 总线连接,便于与 MCU/应用处理器交互与同步数据。
  • 电源要求:标称工作电压 3.3V(设计时需关注上电序列与电平兼容)。
  • 封装与尺寸:XQFN-8 小型封装(1.6 × 1.6 mm),便于高密度 PCB 布局。

三、典型应用场景

NT3H2111W0FHKH 适用于对近场交互和本地存储有要求的场合,例如:智能标签与物流追踪、配件配对与设备绑定、可贴合式传感器数据缓存、消费电子的点对点配网与智能名片/智能海报等。其 I2C 接口使芯片可作为桥接器,在射频通信与主控间传递动态数据。

四、接口与系统集成要点

  • I2C 接入:设计时需保证 I2C 总线的上拉电阻与主控逻辑电平匹配,若主控电压高于 3.3V,应考虑电平位移。
  • 电源管理:在 3.3V 工作域内提供稳压与旁路电容,减小电源噪声对射频性能的影响。
  • 天线与匹配:13.56 MHz 天线布局与调谐对读取距离与稳定性影响显著,应预留匹配网络和调试空间;近金属或塑料壳体的影响需在样机阶段验证。
  • ESD 与 EMC:射频端与 I/O 端的静电防护、地平面设计及信号回流路径需要优化以满足可靠性要求。

五、封装与 PCB 布局建议

XQFN-8 小封装有利于紧凑设计,但对焊盘与回流工艺要求较高。建议:

  • 按照厂家封装数据手册严格定义焊盘尺寸与焊膏量。
  • 在芯片周边保留适当的无铜区域以降低对天线的干扰。
  • 关键电源引脚旁放置 0.1 μF 陶瓷旁路电容,并靠近器件引脚焊盘布局。

六、设计注意事项与验证要点

在产品开发过程中,应重点验证:RF 读写性能(不同读写器与角度)、I2C 通信稳定性(总线速率、重试机制)、在目标外壳和环境下的读取距离、以及与实际天线匹配网络的调试结果。若系统需在多标签环境下工作,应考虑碰撞与抗干扰策略。

七、总结

NT3H2111W0FHKH 是一款面向近场交互、兼顾 RF 与 I2C 双通道访问的紧凑型 NFC/RFID 器件,适合需要本地动态数据维护与外部主控交互的嵌入式应用。合理的电源、天线与 PCB 布局设计能够充分发挥其性能,满足消费类与工业类短距离无线识别与数据交换需求。若需更详细的电气参数、引脚定义与应用电路,请参考恩智浦官方数据手册。

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