WMSIC Electronic Components

VBsemi VBA5325

ModelVBA5325
PackageSOP-8
BrandVBSEMI
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
VBsemi VBA5325
Type
VBSEMI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
VBA5325
Electronic Component
1
Package
SOP-8
Electronic Component
1 N +1 P
Type
N +P
Electronic Component
MOSFET
Electronic Component
0.63g
Electronic Component
1
Electronic Component
BM0263675077
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
3.1W
Electronic Component
Electronic Component
Electronic Component
4000
Voltage(Vdss)
30V

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

VBA5325 产品概述

一、概述

VBA5325 是 VBsemi(微碧半导体)推出的一款双沟道功率 MOSFET 器件,集成一个 N 沟道与一个 P 沟道晶体管,采用 Trench 工艺与台积电流片、长电科技封装工艺,封装形式为 SOP-8。器件额定漏源电压 ±30V、单边连续漏极电流可达 8A(N/P 对称),适合用于双极性电源控制、同步整流、半桥与功率管理等场合。

二、主要规格参数

  • 类型:N 沟道 + P 沟道(互补对称设计)
  • 漏源电压 Vdss:±30V
  • 连续漏极电流 Id:±8A
  • 导通电阻 RDS(on)(典型,VGS=10V):
    • N 沟道:约 18 mΩ
    • P 沟道:约 40 mΩ(或典型 32 mΩ,具体以出厂数据手册为准)
  • 阈值电压 VGS(th):约 ±1 ~ ±2 V(典型 ±1V)
  • 总栅极电荷 Qg(VGS=10V):
    • N:约 6.2 nC
    • P:约 18.5 nC
  • 输入/输出/反向传输电容:
    • Ciss:N ≈ 510 pF;P ≈ 620 pF
    • Coss:N ≈ 95 pF;P ≈ 115 pF
    • Crss:N ≈ 33 pF;P ≈ 57 pF
  • 功耗 Pd:约 3.1 W(封装限制,散热依赖 PCB 设计)
  • 工作温度:-55 ℃ ~ +150 ℃
  • 封装:SOP-8

(以上为典型参数,请以最新器件数据手册为准)

三、特性与优势

  • 互补双片集成:N/P 对称设计便于实现紧凑的高效率开关拓扑,减少 PCB 面积与器件匹配工作。
  • 低导通电阻:N 沟道低至 ~18 mΩ 的 RDS(on) 有助于降低导通损耗,适合高电流路径;P 管虽 RDS(on) 较高,但在互补配置中可用于高侧或反向控制。
  • Trench 工艺:提供更好的导电通道与更低的开关损耗,同时稳定阈值与可靠性。
  • 中等总栅电荷:Qg 对应一般驱动器能驱动,切换速度与驱动功率需要在设计中权衡。

四、典型应用场景

  • 同步整流与半桥驱动
  • 电源管理(正/负轨开关、负载切换)
  • DC-DC 升降压转换器的高/低侧功率开关
  • 电池保护、电源路由与负载断开
  • 小型电机驱动与驱动桥应用

五、封装与散热建议

SOP-8 封装便于中等功率应用,但热阻相对较高。3.1 W 的耗散功率受限于 PCB 散热设计,建议:

  • 在器件下方与引脚附近增加铜皮与热过孔;
  • 重要的高电流走线使用多层铜平面;
  • 在高功率应用中考虑降低占空比或并联器件以分散热量。

六、选型与使用建议

  • 根据开关频率与效率目标,评估 N/P 管的 Qg 与 Crss 对开关损耗的影响,必要时优化驱动电路(驱动电流与死区时间)。
  • 注意器件 Vth 与工作电压余量,避免在接近阈值区工作以减少线性区发热。
  • 在并联使用时确保门极驱动一致且布线对称,以避免电流不均。
  • 最终选型与可靠性验证请参考 VBsemi 官方数据手册与器件应用笔记。

VBA5325 以其双通道互补结构与 Trench 工艺特性,适合在空间受限且需实现双极性开关控制的中小功率系统中作为高性价比的解决方案。

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