WMSIC Electronic Components

BELLING BLP05N08G-B BLP05N08G

ModelBLP05N08G-B
PackageTO-263
BrandBELLING
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

19 specifications

Core information

Product name
BELLING BLP05N08G-B
Type
BELLING
Minimum package
800 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BLP05N08G-B
Electronic Component
1
Package
TO-263
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
2.031g
Electronic Component
1
Electronic Component
BM0264583422
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
173.6W
Electronic Component
Electronic Component
Electronic Component
800
Voltage(Vdss)
85V

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

BLP05N08G-B(TO-263)产品概述

一、概述

BLP05N08G-B 是 BELLING(贝岭)推出的一款大电流 N 沟增强型功率 MOSFET,采用 TO-263(D2PAK)表面贴装封装。器件标称漏源电压为 85V,连续漏极电流高达 120A,导通电阻极低(典型 5mΩ @ VGS=10V),适合高电流、较高电压场合的开关与功率传输应用。器件的工作结温范围宽(-55℃ 到 +150℃),适用于工业级应用环境。

二、主要性能参数

  • 类型:N 沟道功率 MOSFET
  • 耐压:Vdss = 85V
  • 连续漏极电流:Id = 120A(散热条件下)
  • 导通电阻:RDS(on) = 5 mΩ @ VGS = 10V
  • 最大耗散功率:Pd = 173.6W(在规定热阻与温升条件下)
  • 门槛电压:VGS(th) ≈ 4V(典型)
  • 总门极电荷:Qg = 80 nC @ VGS = 10V
  • 输入电容:Ciss = 4.021 nF
  • 反向传输电容(米勒电容):Crss = 17 pF
  • 结温范围:Tj = -55℃ ~ +150℃
  • 封装:TO-263(D2PAK) SMD

三、器件特性与优势

  • 低 RDS(on):5 mΩ 的低导通电阻在大电流条件下可显著降低导通损耗,提高效率,适合降压转换器、同步整流和功率级开关使用。
  • 高电流能力:120A 连续电流能力适合负载较大的电源和电机驱动应用。
  • 宽工作温度与高功率耗散:结温支持到 +150℃,Pd 值在足够散热时能满足较高功率需求。
  • 门极电荷与开关特性:Qg = 80 nC 与较大的 Ciss 表明器件在开关时需要较强的门极驱动能量,适配快速切换需注意驱动与损耗权衡。Crss(17 pF)相对较小,可降低米勒效应对慢速切换的影响。

四、典型应用场景

  • 开关电源(DC-DC 降压转换器、同步整流器)
  • 工业电源与分配系统
  • 电机驱动与电机控制功率级
  • UPS、逆变器初级或二级功率开关
  • 汽车电子(不含严苛车规要求时用于高压侧或保护电路)

五、使用建议与注意事项

  • 门极驱动:推荐使用接近 10V 的栅极驱动电压以确保最低 RDS(on);由于 Qg=80 nC,门极驱动器需有足够的驱动电流能力以实现期望的开关速度,避免过慢导致开关损耗上升。
  • 驱动与吸收网络:考虑在门极串入适当的门极电阻以控制 dv/dt 和抑制振荡;在高 dv/dt 场合应考虑米勒箝位或栅极钳位。
  • 开关损耗管理:较大的 Ciss 会在每次开关时产生较高的能量耗散,需在电路设计中权衡导通损耗与开关损耗,可通过降低开关频率或采用软开关拓扑减小损耗。
  • 热设计:TO-263 封装虽有较好的散热能力,但在高电流、连续功率场合需要良好的 PCB 铜箔散热或额外散热片。建议在 PCB 中使用大面积散热铺铜、过孔热通(thermal vias)并靠近器件走厚铜层。
  • 布局注意:将源引脚作为参考地的回流路径尽量短且宽,电源回路(漏-源)走线应尽量缩短以降低寄生电感;在开关节点附近布置足够的去耦电容以抑制电压尖峰。
  • 保护措施:在电感性负载或高 dv/dt 场合,需考虑外加防反冲二极管、RC 吸收或 TVS 等以防止瞬态超压;若需在未知或苛刻工况下使用,应参考 SOA(安全工作区)并留有裕量。

六、封装与可靠性

  • TO-263(D2PAK)是一种表面贴装的功率封装,便于自动化生产和 PCB 散热处理。该封装能提供较低的热阻(取决于 PCB 布局与散热处理),适合中高功率密度应用。
  • 器件工作温度范围广,可满足工业级温度要求,但长时间在高温下工作应避免靠近封装极限以延长寿命。

七、总结

BLP05N08G-B 凭借 85V 的耐压、极低的导通电阻和高达 120A 的电流承载能力,适合用于高效率电源和大电流开关场合。设计时需重视门极驱动能力与热管理,合理安排 PCB 散热与布线,以及必要的过压/过流保护措施,以发挥器件在效率与可靠性上的优势。

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