WMSIC Electronic Components

NCE NCE30P30G

ModelNCE30P30G
PackageDFN5X6-8L
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+

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Technical data

Product details

19 specifications

Core information

Product name
NCE NCE30P30G
Type
NCE
Minimum package
5000 卷

Technical parameters

Electronic Component
NCE
Electronic Component
NCE30P30G
Electronic Component
1
Package
DFN5X6-8L
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.19g
Electronic Component
1
Electronic Component
BM0231071404
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
80W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V
Capacitor(Ciss)
4.222nF

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

NCE30P30G 产品概述

一、主要参数概览

NCE30P30G 是 NCE(新洁能)推出的一颗 P沟道功率 MOSFET,适用于中低压高电流的高侧开关和电源管理场景。主要参数如下:

  • 类型:P沟道 MOSFET
  • 漏源耐压 Vdss:30V
  • 连续漏极电流 Id:30A(受封装与散热限制)
  • 导通电阻 RDS(on):约 15mΩ(在 Vgs ≈ −4.5V 条件下)
  • 耗散功率 Pd:80W(参考值,实际取决于 PCB 散热)
  • 阈值电压 |Vgs(th)|:2.2V @ 250µA(门限电压幅值)
  • 总栅极电荷 Qg:81.3nC(较大,影响开关驱动要求)
  • 输入电容 Ciss:4.222nF @ 15V
  • 反向传输电容 Crss:448.6pF
  • 工作温度范围:−55°C 到 +150°C
  • 封装:DFN5x6-8L

二、关键性能与特点

  • 低导通电阻:15mΩ 的 RDS(on) 在导通损耗方面有良好表现,适合高电流路径以降低导通损耗。
  • 较高电流承载能力:标称 30A 连续电流,适用于电源开关、负载开关等需要较大电流的场合(但需注意热设计)。
  • 大栅极电荷:81.3nC 的 Qg 表明在快速开关时需要较大瞬时驱动电流,适合带有强驱动能力的门极驱动电路或允许较慢开关速度的设计。
  • 小体积高功率密度:DFN5x6-8L 封装利于板级散热和小面积布局,但对焊盘设计要求高。

三、典型应用场景

  • 电池供电设备的高侧电源开关与电源管理(便于实现断电与反接保护)。
  • DC-DC 升降压电源中的高侧开关与同步整流(需评估 Qg 与切换损耗)。
  • 负载断开/接通控制、逆变器辅助电路、工业控制模块等。

四、热与驱动设计注意事项

  • Pd 为 80W 为封装极限值,实际功耗能力受 PCB 铜箔面积、焊盘热阻和工作环境影响,应使用大面积散热铜箔或热过孔进行散热。
  • Qg 较大,驱动电流峰值由 Ipk ≈ Qg × (dVgate/dt) 决定。示例:若在 100ns 内将栅极由 0V 驱至 −10V(约 100V/µs),则 Ipk ≈ 81.3nC × 1e8 V/s ≈ 8.13A,需门极驱动器或低阻抗驱动路径支持。
  • 为降低 EMI 与开关过冲,可使用适当的门极电阻与驱动限制,平衡开关速度与损耗。

五、封装与可靠性建议

  • DFN5x6-8L 要求良好的焊盘设计和热过孔布局,建议在源码数据手册中参考典型 PCB land pattern。
  • 焊接/回流时注意温度曲线,避免超出器件最高结温与封装耐受范围。
  • 系统级应用中应注意 Vgs、Vds 的瞬态过压保护与 ESD 防护,遵循器件绝对最大额定值。

六、选型要点与替代建议

  • 若设计要求极低导通损耗且驱动电压有限(Vgs 可达 −10V),可优先考虑低 RDS(on) 但需确认 Vgs 额定范围。
  • 对于高频高速切换场合,考虑 Qg 更小或 Crss 更低的器件以减少开关损耗与驱动能量。
  • 选型时应结合系统最大工作电压、允许的热阻、开关频率与驱动能力,按应用场景权衡 RDS(on)、Qg 与封装散热性能。

总结:NCE30P30G 以 30V/30A 的规格、15mΩ 的较低导通电阻与小型 DFN 封装,适合需要高侧开关和较大连续电流能力的电源管理场合。设计时需重点考虑栅极驱动能力与 PCB 热设计,以发挥器件的最佳性能。若需更详细的电气特性曲线与热阻数据,请参考 NCE 官方数据手册。

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