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NCE NCEP4065QU
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NCE NCEP4065QU
- Type
- NCE
- Minimum package
- 5000 卷
Technical parameters
- Electronic Component
- NCE
- Electronic Component
- NCEP4065QU
- Electronic Component
- 1
- Package
- DFN-8(3x3)
- Electronic Component
- 1 N
- Electronic Component
- MOSFET
- Electronic Component
- 0.141g
- Electronic Component
- 1
- Electronic Component
- BM0228590740
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 55W
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
- Voltage(Vdss)
- 40V
- Capacitor(Ciss)
- 2.1nF
- Gate (Qg)
- 34.8nC@10V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
NCEP4065QU 产品概述
一、产品简介
NCEP4065QU 是新洁能（NCE）推出的一款高性能 N 沟道功率 MOSFET，单个器件封装于 DFN-8 (3×3) 封装，适合高密度、低损耗的功率管理应用。器件工作温度范围宽 (-55℃ ~ +150℃)，兼顾工业级环境与便携设备要求。
二、主要电气特性
- 漏源电压 Vdss：40V
- 连续漏极电流 Id：65A（限于良好散热条件）
- 导通电阻 RDS(on)：2.2mΩ @ Vgs=10V, Id=20A
- 阈值电压 Vgs(th)：约 1V（参考）
- 总栅极电荷 Qg：34.8nC @ Vgs=10V
- 输入电容 Ciss：2.1nF @ 20V；反向传输电容 Crss：15.5pF @ 20V
- 耗散功率 Pd：55W（依散热布局变化）
这些参数表明器件在 10V 门极驱动下能达到极低的导通损耗，但 Qg 较大，对驱动能力有一定要求，开关损耗受 Qg 和 Crss 影响明显。
三、热特性与封装
DFN-8 (3×3) 小体积封装利于高密度布板，但对 PCB 散热依赖大。器件 Pd 标称 55W 为理想散热条件下的值，实际应用中应通过底部焊盘与多层铜箔、热沉或通孔实现热量传导。推荐在焊盘下留大面积敷铜并布置若干热通孔。
四、典型应用场景
- 同步整流与降压（buck）转换器主开关/同步管
- 高效率电源管理与负载开关
- 电机驱动前级、半桥/全桥功率开关
- 汽车电子和工业电源（40V 额定适配中高电压域）
五、设计与布局建议
- 驱动：为达到标称 RDS(on) 建议 10V 门极驱动；若使用逻辑电平驱动需评估 RDS(on) 上升带来的损耗。
- 栅极驱动能力：Qg=34.8nC，驱动电流应足以快速充放电，避免开关慢造成的功耗与电磁干扰。可并联合适的门极电阻以控制开关速度与振铃。
- PCB 布局：缩短漏—源与栅极回路的环路长度，增大散热面积，底部焊盘加热通孔并连至内层厚铜。
- 保护：在需高开关频率或高 dV/dt 场合考虑加吸收电路或 RC 抑制，防止 Crss 引起的栅极耦合误触发。
六、使用注意事项与可靠性
- 器件适合在 -55℃~+150℃ 工作，但长期可靠性需考虑结温（Tj）管理与热循环应力。
- 在高电流连续运行时，应做热仿真并适当降额使用，确保结温不超过安全范围。
- 推荐在原理图与 PCB 设计阶段同时考虑噪声抑制与热管理，以发挥该器件低 RDS(on) 的优势。
总结：NCEP4065QU 以其超低导通电阻和适中的电压等级，适合需要高效率与高电流密度的电源和驱动场景。合理的门极驱动与 PCB 散热设计是发挥其性能的关键。
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