WMSIC Electronic Components

NX5P3090UKZ

ModelNX5P3090UKZ
PackageWLCSP-12(1.65x1.35)
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

19 specifications

Core information

Product name
NXP NX5P3090UKZ
Type
NXP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
NX5P3090UKZ
Electronic Component
1
Package
WLCSP-12(1.65x1.35)
Type
Load Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.2g
Electronic Component
1
Channel Count
1
Features
Current
Electronic Component
BM0249831666
Resistor
34mΩ
Operating Temperature
40℃~+85℃
Operating Voltage
2.5V~5.5V
Current
3.3A

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

NX5P3090UKZ 产品概述

NX5P3090UKZ 是恩智浦(NXP)面向 USB 电源管理和负载保护的单通道负载开关,集成多种保护功能与低导通电阻,适用于便携式设备与主机接口电源管理场景。器件采用超小型 WLCSP-12 封装(1.65 × 1.35 mm),在空间受限、热管理要求较高的消费电子与工业终端中具有良好适配性。

一、主要参数概览

  • 类型:单通道负载开关(Load Switch)
  • 通道数:1
  • 输入控制逻辑:高电平有效(EN/CTRL 高电平导通)
  • 工作电压:2.5 V ~ 5.5 V
  • 最大连续电流:3.3 A
  • 典型导通电阻:34 mΩ(RDS(ON))
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装:WLCSP-12(1.65 × 1.35 mm)
  • 特性:过流保护(OCP)、欠压保护(UVP)、过温保护(OTP)
  • 描述:USB Power Switch Single 5.5V 0.4A to 3.3A(具体电流限制及行为请参见器件数据手册)

二、功能要点与保护机制

NX5P3090UKZ 集成了针对供电口的典型保护功能:

  • 过流保护(OCP):当输出电流超过设定阈值时限制或关断输出,防止下游短路或过载损伤系统。
  • 欠压保护(UVP):输入电压低于安全阈值时可关闭开关或禁止导通,避免不可靠供电状态。
  • 过温保护(OTP):在芯片温度异常升高时自动关断以保护器件与系统安全。
    这些保护相互配合,提高系统的可靠性并便于满足 USB 电源口设计的安全规范。

三、典型应用场景

  • USB2.0/USB3.0/USB-C 下游供电开关与端口保护。
  • 手机、平板、可穿戴设备的外设电源管理。
  • 便携式多口充电器与扩展坞的电源分配。
  • 工业与车载系统需要受控上电和短路保护的外设供电。

四、热与电气设计要点

  • 导通损耗估算:P ≈ I^2 × RDS(ON)。在最大连续电流 3.3 A 与 34 mΩ 下,约 P = 0.37 W,需关注封装及 PCB 的散热能力以避免热关断。
  • 布线建议:输入/输出大电流端使用短且宽的铜箔,靠近器件布置低 ESR 去耦电容以抑制瞬态电压跌落。
  • 接地处理:提供连续的地平面以利散热与降低寄生阻抗;WLCSP 封装要求对焊盘和热焊盘进行合理设计以确保良好热/电连接。
  • ESD 与浪涌:外部 USB 接口应配合 ESD 抑制器与滤波电路,以提高系统抗干扰能力与可靠性。

五、选型与使用建议

  • 确认系统最大持续电流与短时浪涌电流,考虑导通损耗与温升,必要时预留热裕度或采用散热增强措施。
  • 在需要精确限流或可调限流场合,参考数据手册确认 OCP 行为(固定阈值/可编程/自动重试等)。
  • PCB 布局上,输入侧电容尽量靠近器件 VIN 引脚,输出侧靠近 VOUT;控制引脚走线尽量短且避免与大电流走线并行以减少干扰。
  • 关注封装焊盘和回流曲线规范,WLCSP 需按厂商推荐工艺进行 PCB 焊盘与掩膜设计。

总结:NX5P3090UKZ 以其低导通电阻、3.3 A 的连续电流能力与完善的保护机制,适合对体积和可靠性有较高要求的 USB 电源开关应用。在最终设计中建议结合器件数据手册进行电气、热和 PCB 布局验证,以确保系统长期稳定运行。

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