WMSIC Electronic Components

VBsemi VBJ2658

ModelVBJ2658
PackageSOT-223-3
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 VBJ2658
Type
VBSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
VBJ2658
Electronic Component
1
Package
SOT-223-3
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.404g
Electronic Component
1
Electronic Component
BM0265598720
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
6.6W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
60V

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

VBJ2658 P沟道MOSFET产品概述

VBJ2658是VBsemi(微碧半导体)推出的一款中高压P沟道增强型MOSFET,采用SOT-223-3封装,针对低导通损耗、高电流承载能力及宽温度适应性需求优化设计,广泛适用于便携式电子、工业电源、电机驱动等场景。

一、核心电气参数详解

VBJ2658的关键参数覆盖电压、电流、损耗及开关特性,可满足多数中低功率应用的核心需求:

  1. 电压特性:漏源击穿电压(Vdss)达60V,覆盖12V、24V等常用低压电源系统;阈值电压(Vgs(th))为2.5V@250uA,栅极驱动电压在3.3V、5V微控制器输出范围内即可稳定导通,无需额外升压电路。
  2. 电流与损耗:连续漏极电流(Id)7A,支撑中等功率负载;导通电阻(RDS(on))表现优异——10V驱动时仅55mΩ,4.5V驱动时也仅65mΩ,低导通电阻直接降低导通损耗,提升系统效率。
  3. 功率与开关特性:最大耗散功率(Pd)6.6W,配合封装散热可支撑中等负载;栅极电荷量(Qg)低(10V时38nC、4.5V时19nC),开关速度快,减少开关损耗;输入电容(Ciss)1.5nF、反向传输电容(Crss)150pF,进一步优化高频开关性能。
  4. 温度范围:工作温度覆盖-55℃至+150℃,符合工业级标准,可在极端环境下稳定运行。

二、封装与可靠性设计

VBJ2658采用SOT-223-3封装,兼具紧凑性与可靠性:

  • 体积紧凑:封装尺寸约6.5×3.5mm,适配便携式设备、小型电源模块等空间受限场景,有效缩小产品体积。
  • 散热优化:引脚与焊盘设计强化热传导路径,配合PCB铜箔可提升散热效率,满足6.6W耗散功率的应用需求。
  • 可靠性保障:宽温度范围及封装结构,具备抗振动、抗冲击能力,适应工业现场、车载等恶劣环境;符合常规ESD防护标准,降低生产与使用中的损坏风险。

三、典型应用场景

结合参数特性,VBJ2658适用于以下核心场景:

  1. 便携式电子:移动电源、笔记本外设供电、智能穿戴设备的电源管理,低导通损耗提升电池续航,紧凑封装适配小型化设计。
  2. 工业电源与负载开关:12V/24V电源系统的负载切换、LDO辅助控制,7A电流能力满足多负载并联需求。
  3. 小型电机驱动:桌面风扇、小型直流电机、打印机走纸电机驱动,低导通电阻减少电机发热,提升效率。
  4. LED背光驱动:显示器、笔记本屏幕的背光电源控制,稳定导通特性保证背光亮度均匀。

四、性能优势对比

相较于同等级P沟道MOSFET,VBJ2658具备以下优势:

  • 导通损耗更低:55mΩ@10V的导通电阻在60V/7A等级产品中属于领先水平,降低系统整体功耗。
  • 驱动兼容性强:4.5V驱动电压即可实现65mΩ导通,适配3.3V/5V微控制器直接驱动,无需额外电路。
  • 性价比突出:VBsemi国产供应链优势,性能相当情况下成本低于部分进口品牌,适合批量应用。

五、应用设计注意事项

为保证稳定工作,设计时需注意:

  1. 栅极电压限制:避免Vgs超过±20V(常规P沟道极限),防止栅极氧化层击穿;建议驱动电压在-4.5V至-10V之间。
  2. 散热设计:7A持续工作时,PCB对应引脚铜箔面积建议≥10mm²,或配合小型散热片,避免芯片超温。
  3. 静电防护:生产、焊接需采用ESD防护(接地工作台、防静电手环),防止栅极损坏。
  4. 极性匹配:P沟道源极(S)接电源正极,漏极(D)接负载/地,注意极性正确避免反向击穿。

总结

VBJ2658凭借低导通电阻、高电流能力、宽温度范围及紧凑封装,成为便携式设备、工业电源、电机驱动等领域的优选器件。其平衡的性能与成本优势,适合需要稳定可靠、高效节能的中低功率应用设计。

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