WMSIC Electronic Components

LOWPOWER LP5240HVF

ModelLP5240HVF
PackageWLCSP-4
BrandLOWPOWER
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
LOWPOWER LP5240HVF
Type
LOWPOWER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LOWPOWER
Electronic Component
LP5240HVF
Electronic Component
1
Package
WLCSP-4
Type
Load Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.025g
Electronic Component
1
Channel Count
1
Features
Output
Electronic Component
BM0230808554
Resistor
50mΩ
Operating Temperature
40℃~+85℃
Operating Voltage
1.2V~5.5V
Current
1.5A

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

LP5240HVF 产品概述

一、产品简介

LP5240HVF 是 LOWPOWER(微源半导体)推出的一款单通道负载开关,采用紧凑的 WLCSP-4 封装,面向空间受限且需精确电源管理的便携与嵌入式系统。该器件支持 1.2V ~ 5.5V 的工作电压范围,输入控制为高电平有效,能够通过简单的逻辑信号实现外设或电源轨的快速通断。

二、主要规格

  • 工作温度:-40℃ 至 +85℃
  • 最大连续电流:1.5 A
  • 导通电阻(RDS(on)):典型 50 mΩ
  • 通道数:1 路
  • 工作电压范围:1.2 V ~ 5.5 V
  • 输入控制逻辑:高电平有效
  • 器件类型:负载开关
  • 品牌:LOWPOWER(微源半导体)
  • 封装:WLCSP-4

三、主要特性与优势

  • 低导通阻抗(50 mΩ 级别)带来较小的功耗与发热,适合 1A 级负载供电使用场景。
  • 宽工作电压支持从低压核电源到 5V 外设电源的直接控制,便于系统统一电源管理。
  • 小型 WLCSP-4 封装适合空间受限的移动设备与可穿戴产品,利于高密度 PCB 布局。
  • 高电平有效的输入接口可直接由 MCU、PMIC 或逻辑电平驱动,便于集成与控制。

注:电路保护(如软启动、过流限制、热关断、ESD 保护)为负载开关常见功能,具体是否包含以及特性参数请参阅 LP5240HVF 的完整数据手册。

四、典型应用

  • 手机、平板与可穿戴设备的外设电源开关
  • IoT 终端与无线通信模块的电源门控
  • 摄像头、传感器或模组的供电控制与节能管理
  • 电池供电系统的负载隔离与短路保护前级
  • 工业与医疗便携终端的电源切换

五、封装与布局建议

  • WLCSP-4 封装体积小,建议在 PCB 设计时为散热与电流承载预留宽铜铺铜,减小电感与阻抗。
  • 在 VIN 和 VOUT 近侧放置低 ESR 去耦电容,确保开关瞬态响应与系统稳定性。
  • 控制引脚与 MCU 之间走线应尽量短且加旁路,以减少干扰导致的误触发。
  • 若工作于较大发热或长时间 1.5 A 负载工况,需评估 PCB 热阻并考虑散热设计。

六、选型与注意事项

  • 若系统需要更高电流或更低 RDS(on),可对比同系列或其它封装选项;若需更多保护特性,请核对器件数据手册的保护项与限值。
  • 在低压(接近 1.2V)工作时,建议验证导通电阻与控制阈值,以确保满足启动与导通性能。
  • 实际系统性能会受 PCB、环境温度与工作电流影响,设计前请参考完整数据手册和评估板进行验证。

如需器件电气特性曲线、引脚定义或原理图参考,请提供是否需要我协助查找或整理 LP5240HVF 的详细数据手册内容。

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