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NCE NCE3090K
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NCE NCE3090K
- Type
- NCE
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NCE
- Electronic Component
- NCE3090K
- Electronic Component
- 1
- Package
- TO-252-2(DPAK)
- Electronic Component
- 1 N
- Type
- N
- Electronic Component
- MOSFET
- Electronic Component
- 0.547g
- Electronic Component
- 1
- Electronic Component
- BM69419658
- Operating Temperature
- 55℃~+175℃
- Power Dissipation(Pd)
- 105W
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
- Voltage(Vdss)
- 38V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
NCE3090K 产品概述
一、产品简介
NCE3090K 是新洁能（NCE）推出的一款高性能 N 沟道功率 MOSFET，采用 TO-252-2 (DPAK) 封装，适用于中低压高电流功率开关场合。器件额定漏源电压为 38V，支持宽温度范围工作（-55℃ 至 +175℃），在导通与开关损耗之间取得良好平衡，适合车规级与工业级应用。
二、核心性能亮点
- 低导通电阻：RDS(on) = 8 mΩ @ VGS = 4.5V、ID=20A，导通损耗小，适合高电流路径以降低热耗。
- 大电流能力：连续漏极电流 ID = 90A，满足高瞬态和持续负载要求（需配合合适散热）。
- 器件功耗能力：耗散功率 Pd = 105W（视封装与散热条件而定），DPAK 在良好散热条件下可承载大功率。
- 开关相关电容：Ciss = 3.433 nF、Coss = 360 pF、Crss = 287 pF，揭示开关过程中的能量存储与米勒效应特性。
- 门极电荷：Qg = 60 nC @ 10V，门极驱动要求中等，需考虑驱动电流与开关速度的折中。
- 门阈值：VGS(th) = 2.5V @ 250 μA，器件在 4.5V 驱动下即可达到较低 RDS(on)，具备一定的逻辑级驱动友好性。
三、典型应用场景
- 同步整流／降压开关电源（DC-DC 转换器）
- 汽车电子电源管理（30V 级别系统）
- 电机驱动与功率开关模块
- 服务器与通信设备的负载开关与保护电路
四、封装与热管理建议
TO-252-2 (DPAK) 为表面贴装封装，热阻受 PCB 铜箔与散热设计影响显著。建议：
- 在 PCB 下方设计大面积散热铜箔与过孔，改善热传导至散热层；
- 若长期高电流工作，配合散热片或外部散热体以保持结温在安全范围；
- 遵循器件资料的最大结温与功率降额曲线进行热设计。
五、设计注意事项
- 门极驱动：虽在 4.5V 下已标注 8 mΩ，但为获得最低导通损耗建议采用 10–12V 驱动；考虑到 Qg=60nC，驱动器需能提供足够瞬态电流以控制开关损耗与 EMI。
- 开关过冲保护：Coss 与 Crss 值表明米勒效应不可忽视，需通过适当的门极电阻、吸收电路或 TVS 保护 VDS 峰值。
- PCB 走线与布局：电流回路尽量短且铜厚，输入输出侧加足够去耦电容以降低寄生环路。
- 工作环境：器件可耐高温（最高 +175℃），但长期可靠性建议在实际系统中保持结温有余量。
六、总结
NCE3090K 在 30V 级及以下功率应用中，以 8 mΩ（4.5V 驱动）低 RDS(on)、90A 连续电流与较高功耗能力，为要求高电流密度与可靠散热的开关电源与功率管理场景提供了性价比高的器件选择。在工程应用中应重点关注驱动能力、热设计与过压/过流保护，以发挥其最佳性能。
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