WMSIC Electronic Components

Infineon BSC265N10LSF G BSC265N10LSF

ModelBSC265N10LSF G
PackageTDSON-8(5x6)
BrandInfineon
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
Infineon BSC265N10LSF G
Type
INFINEON
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BSC265N10LSF G
Electronic Component
1
Package
TDSON-8(5x6)
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.171g
Electronic Component
1
Electronic Component
BM0231108812
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
78W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
100V

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

BSC265N10LSF G 产品概述

一 功能与核心参数

BSC265N10LSF G 是英飞凌(Infineon)基于 OptiMOS 技术的 N 沟道功率 MOSFET,面向中高压、高效率电源转换应用。该器件的关键参数如下:

  • 漏源耐压 Vdss:100 V
  • 连续漏极电流 Id:40 A
  • 导通电阻 RDS(on):36 mΩ @ Vgs = 4.5 V
  • 最大耗散功率 Pd:78 W(器件热设计相关)
  • 阈值电压 Vgs(th):2.4 V @ ID = 43 μA
  • 总栅极电荷 Qg:21 nC @ 10 V
  • 输入电容 Ciss:1.6 nF
  • 输出电容 Coss:370 pF
  • 反向传输电容 Crss(米勒电容):8 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:TDSON-8 (5 × 6 mm),紧凑型散热设计

这些参数表明该器件为 100V 级别的低导通电阻逻辑/中驱动电平 MOSFET,适合在 4.5V 闸压下实现较低导通损耗,同时具备合理的开关速度与驱动能量需求。

二 关键电气特性解析

  • 低 RDS(on):36 mΩ(在 Vgs=4.5V)使器件在高电流工作时具有较低的导通损耗,尤其适用于同步整流和低压差转换场合。
  • 合理的 Qg(21 nC):表示驱动能量中等,不会对常见驱动器造成过大负担。以 1 A 驱动电流估算,驱动时间阶约为 Qg/Id ≈ 21 ns(只是大致刻画),实际切换时间还受 Coss、寄生电感与电路拓扑影响。
  • 小 Crss(8 pF):有利于减小米勒效应,使在开关变换过程中门极-漏极耦合较小,利于快速且受控的开关过程,降低误导致的过冲与串扰风险。
  • Coss(370 pF)与 Ciss(1.6 nF):影响开关损耗与电压应力分布,在软开关/零电压切换或高频开关中需要考虑其对能量回收和功率损耗的贡献。

三 热与封装要点

TDSON-8(5×6 mm)封装提供紧凑的外形和良好的热路径,但要注意:

  • 额定耗散 Pd = 78 W 为指定条件下的最大值,实际应用中器件结温、PCB 铜箔面积、散热片和外部环境都会显著影响可用功率。
  • 建议在 PCB 上使用大片铜箔、多个热过孔(thermal vias)以及底部或底层散热层,以降低结对环境的热阻并提高平均功率承载能力。
  • 工作温度范围宽(-55 ~ +150 ℃),但在高温下仍需进行降额使用以保证长期可靠性。

四 驱动与开关性能建议

  • 推荐驱动电压:器件在 4.5 V 下标定 RDS(on),因此 5 V 级别逻辑驱动即可获得较好导通性能;若条件允许,采用 10–12 V 驱动可进一步降低 RDS(on)(需参考厂方更详细资料)。
  • 驱动能力:由于 Qg 为 21 nC,选择驱动器时应保证其峰值源/吸电流足以在目标频率下完成快速开关,避免长时间处于线性过渡区导致发热。
  • 建议添加适当的门极电阻(Rg)以抑制振荡与控制 dv/dt,同时在高 dv/dt 场合关注栅极-源电压尖峰与器件的安全余量。

五 PCB 布局与散热建议

  • 最小化高电流回路面积,靠近器件放置输入或输出电容,缩短回流环路以降低 EMI 与开关尖峰。
  • 为 TDSON 封装的散热垫设计足够焊盘面积,并提供多排热过孔连接内层或背面大铜平面。
  • 在门极路径上放置小电阻与阻尼/吸收器件(如 RC、RC snubber 或 TVS),用于限幅和抑制振荡。

六 典型应用场景

  • 同步整流(DC-DC 降压转换器)
  • 开关电源(SMPS)、功率因数校正(PFC)前端(中低功率段)
  • 电机驱动的半桥/全桥级(尤其要求 100V 耐压时)
  • 工业电源、通信电源和高性能计算供电模块

七 使用注意事项与可靠性建议

  • 在设计时应进行结温估算与热仿真,避免长期在高结温下工作导致寿命下降。
  • 注意浪涌电流和瞬态电压(Vds 峰值),必要时使用 TVS 或阻尼网络保护器件。
  • 对工作于高频或高 dv/dt 的拓扑,验证系统 EMI、过冲和反向恢复行为,采取必要的滤波或缓冲措施。

八 小结

BSC265N10LSF G 是一款面向 100V 级应用、导通损耗低且开关性能均衡的 OptiMOS N 沟道 MOSFET。其在 4.5V 驱动下即可提供良好导通性能,同时 Qg 和 Crss 的组合使其在高速切换与受控开关环境中表现稳定。适当的 PCB 热设计、门极驱动选择与回路布局可将其性能优势最大化,为中高功率密度电源和电机控制系统提供可靠的功率开关方案。若需更详细的温度系数、动态开关损耗与最大结温下的参数曲线,建议参考厂方完整数据手册和应用笔记。

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