WMSIC Electronic Components

LRC LP4565T1G

ModelLP4565T1G
PackageSOP-8
BrandLRC
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
LRC LP4565T1G
Type
LRC
Minimum package
4000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LP4565T1G
Electronic Component
1
Package
SOP-8
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.182g
Electronic Component
1
Electronic Component
BM0258745409
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2.9W
Electronic Component
Electronic Component
Electronic Component
4000
Voltage(Vdss)
60V

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

LP4565T1G 产品概述

一、产品简介

LP4565T1G 是乐山无线电(LRC)推出的一款 P 沟道功率 MOSFET,封装为 SOP-8,适用于中低功率高侧开关与电源管理场景。器件额定漏源电压 Vdss=60V,连续漏极电流 Id=7A,典型导通电阻 RDS(on)=100mΩ(在 Vgs=4.5V 条件下),最大耗散功率 Pd=2.9W。封装紧凑且具有良好的可焊性,适合集成于板级功率管理电路。

二、主要规格(关键参数)

  • 类型:P 沟道 MOSFET
  • 漏源电压 Vdss:60V
  • 连续漏极电流 Id:7A
  • 导通电阻 RDS(on):100mΩ @ |Vgs|=4.5V
  • 栅源阈值电压 Vgs(th):约 1V(在 250µA 条件下)
  • 总栅极电荷 Qg:约 10nC @ 4.5V
  • 输入电容 Ciss:1.146nF
  • 输出电容 Coss:84pF
  • 反向传输电容 Crss:60pF
  • 功耗 Pd:2.9W(封装限制)
  • 工作温度范围:-55℃ ~ +150℃
  • 封装:SOP-8(板级安装)

三、功能特点与设计要点

  • 适合高侧开关:作为 P 沟道器件,在正供电轨上实现高侧开关更为方便,免去了专门升压驱动器。
  • 低 RDS(on):在 |Vgs|=4.5V 条件下 100mΩ 的导通电阻,可在中等电流下保持较低损耗。
  • 适中栅极电荷与电容:Qg=10nC、Ciss≈1.15nF,表明驱动器需要提供短时较高的推挽电流以实现快速开关,但平均门极电流随开关频率线性增长(例如 100kHz 时平均 Ig≈1mA)。
  • 热管理需注意:SOP-8 封装的 Pd=2.9W 为理想工况下的封装耗散,实际应用需配合合适的铜箔散热、走线与过孔来提升热阻,避免温升影响可靠性。

四、典型应用场景

  • 电源管理与电源分配(高侧电源开关、负载断开)
  • 电池保护与切换电路(便于在正极侧实现断开)
  • 便携设备的电源切换、音频静音控制、信号切换与保护电路
  • 小功率马达驱动、继电器替代与模块化电源管理单元

五、驱动与使用建议

  • 对于 P 沟道 MOSFET,栅源电压以源极为参考;要达到标称 RDS(on),需使栅极相对源极有约 4.5V 的电位差。设计时请确保驱动器能够在目标工作点提供足够的电压摆幅与峰值电流以控制开关边沿。
  • 开关速度与损耗折中:较快的开关可降低开关损耗但会增加 EMI 与瞬态应力,Crss(60pF)会引起明显的米勒效应,需在驱动和 PCB 布局上做好抑制。
  • 热设计:在接近额定电流工作时,请采用充足的 PCB 散热面积与多层铜维持器件结温在安全范围内。必要时在器件下方或邻近布局散热通道和过孔。
  • 焊接与可靠性:按 SOP-8 典型回流曲线进行焊接,避免长时间高温暴露。器件工作温度覆盖 -55℃ 至 +150℃,但长期可靠性依赖于合适的结温管理与热循环控制。

六、总结

LP4565T1G 以 60V 耐压与 7A 连续电流能力为基础,结合 SOP-8 的经济封装与中等导通电阻,适合用于正轨高侧开关及电源管理场合。设计者在使用时应关注栅极驱动电平、开关速度与 PCB 热设计,以发挥器件在效率与可靠性方面的最佳表现。若需更详细的电气特性曲线、完整引脚分布或推荐参考电路,请参考厂商数据手册或联系 LRC 技术支持。

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