WMSIC Electronic Components

HXY MOSFET AOD413A

ModelAOD413A
PackageTO-252-2L
BrandHXY MOSFET
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
HXY MOSFET AOD413A
Type
HXY MOSFET
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
AOD413A
Electronic Component
1
Package
TO-252-2L
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
Electronic Component
Electronic Component
0.37g
Electronic Component
1
Electronic Component
BM0228150191
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
8W
Gate Voltage(Vgs)
±20V
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.

AOD413A 产品概述

一、产品简介

AOD413A 是华轩阳电子(HXY MOSFET)推出的一款 P 沟道功率场效应管,封装为 TO-252-2L(DPAK 类似封装),面向中低压、高电流的开关及功率管理场合。该器件在 40V 漏源耐压条件下,提供较低的导通电阻和较小的栅极电荷,适合作为高端(high-side)开关、负载开关与电源路径控制元件。

主要参数概要:

  • 极性:P 沟道
  • 漏源电压 Vdss:40V
  • 导通电阻 RDS(on):31 mΩ @ VGS = 10V, ID = 8A
  • 连续漏极电流 Id:25A
  • 最大耗散功率 Pd:8W
  • 栅极电荷 Qg:20 nC @ VGS = 10V
  • 输入电容 Ciss:1.034 nF @ 20V
  • 反向传输电容 Crss:79.5 pF @ 20V
  • 封装:TO-252-2L

二、主要特性与电气性能

  • 低导通损耗:在 VGS = 10V 驱动下,RDS(on) 仅 31 mΩ(在 8A 条件下测得),在中等电流工况时导通损耗较低,有助于提高效率并降低结温上升。
  • 较高电流承载能力:器件标称连续漏极电流可达 25A(受封装和散热条件限制),满足较大电流回路的要求。
  • 合理的开关特性:Qg = 20 nC 与 Ciss = 1.034 nF 的组合,使得栅极驱动能量和驱动器负担处于中等水平,便于用常见驱动器或 MCU/门驱直接驱动(视频率而定)。
  • 适用中低压场合:Vdss = 40V,适合汽车电子(非车规高压)、电源管理、通信及工业控制等需要 12–24V 总线的应用。

三、热与损耗评估(示例)

  • 导通损耗示例:在 8A 时的导通功率 Pcon = I^2 × RDS(on) ≈ 8^2 × 0.031 ≈ 1.98 W(约 2W),此功率将在封装引脚及外部散热结构上以热的形式释放。
  • 包络功率限制:器件最大耗散功率为 8W,但此值依赖于 PCB 散热(焊盘面积、铜厚、风冷条件等),实际电流应根据工作环境与允许结温进行热设计和降额。
  • 开关损耗:单次栅极充放电能量可用 0.5·Ciss·V^2 估算,若以 10V 驱动,Egate ≈ 0.5 × 1.034nF × (10V)^2 ≈ 51.7 nJ/次。若开关频率较高(数十 kHz 以上),栅极驱动功耗与开关损耗需要重点考量。

四、典型应用场景

  • 高端(P沟)电源开关:用于低压母线下的高端断路、负载切换与功率路径控制,替代机械继电器实现更高响应速度与更长寿命。
  • 反向电流保护与电池管理:可用于电池切换、逆流防护、充放电路径控制。
  • 同步整流与电源管理:在某些拓扑(低频或特殊设计)中作为高端器件参与功率转换。
  • 工业与通信设备:12V/24V 供电系统中的负载控制、分配与保护。

五、封装与热设计建议

  • 封装:TO-252-2L(DPAK)便于表面贴装,但散热依赖 PCB 大面积焊盘与散热层(过孔+内层铜平面)。
  • PCB 布局建议:
    • 增大 D-S 焊盘铜面积并与底层铜通孔连接,形成有效散热通路。
    • D-S 引线短且宽,减少寄生电阻与电感,改善开关性能。
    • 栅极线路使用近距接地,避免长走线引起振荡,必要时在栅极并联小电阻(10–100Ω)与 RC 缓冲。
  • 热管理:在持续大电流工作下,需通过铜箔加厚、散热片或风冷手段确保结温在安全范围内;合理降额使用可延长可靠性。

六、选型与使用注意事项

  • 驱动电压要求:RDS(on) 数据在 VGS = 10V 下给出,建议尽量以接近该驱动电压驱动以获得标称导通电阻;若栅极驱动受限(如低于 10V),需查阅器件数据手册获取低 VGS 下 RDS(on) 的变化或进行实验验证。
  • 温度影响:RDS(on) 会随结温上升而增大,实际导通损耗与热升高呈反馈,设计时应考虑热阻与环境温度的联合作用,必要时进行热仿真或实测。
  • 开关频率与驱动功耗:若工作在中高频开关(数十 kHz 以上),需评估栅极驱动能量及器件开关损耗对总效率的影响,适当选择栅极驱动方案与驱动速度。

七、结论

AOD413A(HXY MOSFET)以 40V 的耐压、31 mΩ 的低 RDS(on)(10V 驱动下)及适中的栅极电荷,构成在 12–24V 电源系统中广泛使用的高端 P 沟道开关解决方案。其 TO-252-2L 封装适合贴片安装与 PCB 散热设计,适用负载开关、路径控制与电源管理等场合。使用时应重点关注驱动电压、散热设计与开关频率带来的能量损耗,以确保可靠稳定运行。

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