WMSIC Electronic Components

NCE NCEP30T17GU

ModelNCEP30T17GU
PackageDFN5*6
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

20 specifications

Core information

Product name
NCE NCEP30T17GU
Type
NCE
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NCE
Electronic Component
NCEP30T17GU
Electronic Component
1
Package
DFN5*6
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.2g
Electronic Component
1
Electronic Component
BM0230661610
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
135W
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.

NCEP30T17GU 产品概述

一、主要参数

NCEP30T17GU 是一颗 N 沟道功率 MOSFET,针对 30V 级高电流开关场景设计。主要参数如下:

  • 漏源电压 Vdss:30 V
  • 连续漏极电流 Id:170 A
  • 导通电阻 RDS(on):1.25 mΩ @ Vgs=4.5 V;0.97 mΩ @ Vgs=10 V
  • 耗散功率 Pd:135 W(器件标称散热能力,需结合 PCB 散热实际使用)
  • 阈值电压 Vgs(th):1.5 V @ Id=250 μA
  • 总栅极电荷 Qg:90 nC @ Vgs=10 V
  • 输入电容 Ciss:5.3 nF;输出电容 Coss:1.8 nF;反向传输电容 Crss:100 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:DFN 5×6(带焊盘散热结构)
  • 品牌:NCE(新洁能)

二、性能亮点

  • 低 RDS(on):在 10 V 驱动下 RDS(on) 低至 0.97 mΩ,适合高电流、低压降应用;在 4.5 V 下仍有 1.25 mΩ 的很低导通阻抗,利于 12V/5V 逻辑电平驱动的场景。
  • 高电流承载能力:170 A 连续电流能力配合低导通损耗,适合中高功率密度系统。
  • 相对较大的耗散能力(Pd=135 W)配合 DFN 封装与良好 PCB 散热,可在受控热阻条件下实现高功率工作。
  • 宽温度范围及稳定的电容/栅极特性,适合工业级环境。

三、典型应用场景

  • 同步整流/降压(synchronous buck)电源的高侧或低侧 MOSFET
  • 数据中心、电源模块和服务器电源的负载开关与分配
  • 电机驱动、逆变器的开关单元(中低电压)
  • 高侧/低侧开关、功率分流、DC-DC 变换器、热插拔与固态继电器

四、驱动与开关建议

  • 为了发挥最低 RDS(on),建议使用 10 V 门极驱动。若驱动为 4.5 V,可在低电压逻辑系统中工作但导通损耗略高。
  • Qg=90 nC 表明栅极电荷较大,要求栅极驱动器能提供较高的峰值电流以获得快速开关。举例:若希望在 50 ns 内完成栅极上升,峰值驱动电流约为 Qg / tr = 90 nC / 50 ns ≈ 1.8 A;开关频率越高,对平均驱动能量的要求越高。
  • 建议配置合适的门阻(Rg)以平衡开关损耗与电磁干扰(EMI);必要时在门极引脚加 RC 缓冲或阻尼网络抑制振铃。
  • 由于 Coss 与 Crss 影响开关能耗与电压速率(dV/dt),在高 dv/dt 场合考虑驱动器抗干扰能力及必要的栅源钳位。

五、散热与 PCB 布局要点

  • DFN5×6 封装依赖底部散热焊盘与 PCB 铜箔做热扩散,建议使用大面积铜箔和多盏通孔(via)将热量传到内层或底层散热层。
  • 导流电流通路应尽可能短、宽,减少寄生电阻和电感;源、漏焊盘与母线连接要以多层铜箔并联方式处理。
  • 在 MOSFET 的 D-S 回路附近布置足够的去耦电容,降低开关瞬态电压尖峰;必要时加入吸收电路(RC、功率二极管或 TVS)保护。

六、可靠性与封装注意

  • 器件工作温度可达 +150 ℃,但设计时需保证结温和 PCB 温度不超过器件长期可靠性要求;参考厂方的热阻与 SOA(安全工作区)曲线进行热仿真与裕量设计。
  • DFN 焊接工艺需遵守回流曲线,焊盘设计参考厂方推荐的 land pattern 以保证焊接可靠性与散热性能。

七、选型与使用建议小结

  • 若目标是最大化效率并承载大电流,建议采用 10 V 驱动以获得 0.97 mΩ 的最低导通阻抗,同时给予足够的 PCB 散热面积与强驱动器以降低开关损耗。
  • 在对 EMI、开关应力或驱动功率有严格限制的系统中,可通过调节门阻、软开关或外部缓冲器进行折中。
  • 设计前查阅完整的器件数据手册(电流-温度特性、SOA、热阻)并在实际 PCB 中进行热/电仿真验证。

总结:NCEP30T17GU 以其低 RDS(on)、高电流承载能力和 DFN 封装的散热机制,适合高效率、紧凑布局的中低电压功率转换场景;完成优良的驱动与 PCB 散热设计后,能在多种工业与消费类高功率应用中发挥良好性能。

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