WMSIC Electronic Components

NCE NCE40P15K

ModelNCE40P15K
PackageTO-252-2
BrandNCE
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
NCE NCE40P15K
Type
NCE
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NCE
Electronic Component
NCE40P15K
Electronic Component
1
Package
TO-252-2
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.38g
Electronic Component
1
Electronic Component
BM0259716416
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
50W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
40V
Capacitor(Ciss)
930pF

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

NCE40P15K 产品概述

一、产品简介

NCE40P15K 是新洁能(NCE)推出的一款高性能 P 沟道功率 MOSFET,适用于中等电流与中低电压的开关与线性功率控制场景。器件额定漏源电压 (Vdss) 为 40V,连续漏极电流 (Id) 可达 15A,结合低导通电阻与适中的栅极电荷,使其在高侧开关、反向保护和电源管理中具有良好的性价比。封装为 TO-252-2(常见 DPAK 形式),便于表面贴装与 PCB 散热设计。

二、主要参数

  • 数量:1 个 P 沟道
  • 漏源电压 Vdss:40 V
  • 连续漏极电流 Id:15 A
  • 导通电阻 RDS(on):29 mΩ @ 10 V、15 A(规格表给出为幅值;作为 P 沟道器件,对栅极施加约 -10 V 时为该测试条件)
  • 阈值电压 Vgs(th):1.5 V(规格值通常以幅值给出,P 沟道实际在约 -1.5 V 开始导通)
  • 栅极总电荷 Qg:25 nC @ 10 V
  • 输入电容 Ciss:930 pF @ 20 V
  • 反向传输电容 Crss:35 pF @ 20 V
  • 功耗 Pd:50 W(器件最大耗散,实际使用须考虑散热条件与封装热阻)
  • 工作结温范围 Tj:-55 ℃ 至 +175 ℃
  • 品牌:NCE(新洁能)
  • 封装:TO-252-2(DPAK)

三、主要特性与优势

  • 低导通损耗:29 mΩ 的低 RDS(on) 在中等电流工作下可显著降低导通损耗与发热,适合需要高效率的高侧开关或负载开关应用。
  • 中等栅极电荷:Qg = 25 nC 在 10 V 驱动下属于中等水平,平衡了开关速度与驱动能量,适合频率不极高的开关场合,且对驱动器要求适中。
  • 较高功率承受能力:50 W 的额定耗散在良好散热条件下可满足较大瞬态与持续功率需求。
  • 宽工作温度:-55 ℃ 至 +175 ℃ 的结温范围,有利于工业级和汽车级附近的扩展应用(但实际可靠性与寿命需参考完整数据手册与应用环境)。

四、典型应用场景

  • 高侧开关与电源管理(便于用 P 沟道实现高侧断路)
  • 电池保护、反向电流保护与负载切换
  • 便携式电源、适配器与充电器中的功率管理
  • 电机驱动中的保护电路或低频开关场合
  • 同步整流(在特定拓扑中作为辅助器件)

五、使用与设计注意事项

  • 栅极极性:作为 P 沟道 MOSFET,导通时需对栅极施加负于源极的电压(例如 -10 V),规格中给出的 Vgs、RDS(on) 值通常为幅值,请在电路设计中注意极性与驱动电压范围。
  • 驱动器选择:Qg=25 nC 意味着在较高开关频率或快速转换时对驱动电流有一定要求,选择合适驱动器以控制开关损耗与 EMI。
  • 开关与开通损耗:除了导通损耗外,切换损耗与 Crss(35 pF)相关,快速 dv/dt 可能引起寄生耦合,需在布局与缓启动策略上予以控制。
  • 热设计:虽然 Pd 标称为 50 W,但在 TO-252-2 封装下实际耗散受 PCB 铜皮面积、焊盘和过孔散热影响显著。应通过扩大散热铜皮、使用多孔接地层与过孔导热来降低结温;并按实际工作电流计算 I^2·RDS(on) 发热(例如在 15 A 时导通损耗约 6.5 W),留有足够余量。
  • 可靠性边界:长期在高结温下工作会加速老化,推荐在器件数据手册的热阻与功耗曲线指导下进行温度-功率的设计余量。

六、封装与安装

TO-252-2(DPAK)的 SMD 封装适合自动化贴装与中等散热要求的应用。焊盘设计应与制造商推荐焊盘图对应,增加底部散热焊盘与多层板过孔能显著改善热性能。

七、总结

NCE40P15K 以 40 V 的电压等级、15 A 的电流能力和 29 mΩ 的低导通电阻,提供了一款适用于高侧开关、电源管理与负载保护的 P 沟道 MOSFET 选择。设计时需注意栅极极性与驱动、开关损耗控制以及 PCB 热管理,以发挥其在效率与可靠性上的优势。如需最终设计与可靠性评估,请结合 NCE 官方数据手册中的详细特性曲线与热模型进行验证。

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