WMSIC Electronic Components

WINSOK WSP4805

ModelWSP4805
PackageSOP-8
BrandWINSOK
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
WINSOK WSP4805
Type
WINSOK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WINSOK
Electronic Component
WSP4805
Electronic Component
1
Package
SOP-8
Electronic Component
2 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.209g
Electronic Component
1
Electronic Component
BM0264498690
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2.5W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V

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

WSP4805 P沟道场效应管产品概述

WSP4805是WINSOK(微硕)推出的双P沟道增强型MOSFET,针对低电压、中电流场景优化设计,采用SOP-8紧凑封装集成2个独立P沟道管,核心参数覆盖30V漏源电压、8A连续漏极电流,适合便携设备、电源管理等中小功率应用场景。产品兼具低导通电阻、易驱动、宽温可靠性等特点,是量产级应用的高性价比选择。

一、产品基本定位与核心参数总览

WSP4805的核心定位为低压中电流双P沟道MOSFET,基础参数清晰匹配消费类及工业级轻载场景需求:

  • 类型:双P沟道增强型MOSFET
  • 封装:SOP-8(表面贴装,引脚间距1.27mm)
  • 集成数量:2个独立P沟道管
  • 核心电参数:
    • 漏源电压(Vdss):30V(最大)
    • 连续漏极电流(Id):8A(25℃结温下)
    • 导通电阻(RDS(on)):19mΩ(Vgs=10V时)
    • 耗散功率(Pd):2.5W(25℃时)
    • 阈值电压(Vgs(th)):2V(Id=250μA时)
    • 工作温度范围:-55℃~+150℃(结温)

二、关键性能指标深度解析

2.1 导通特性:低阻高效,降低功耗发热

WSP4805的RDS(on)仅19mΩ(Vgs=10V),在同等级30V P沟道MOSFET中处于领先水平。低导通电阻直接带来两大优势:

  • 导通损耗低:当负载电流为8A时,单管导通损耗约为I²R=8²×19mΩ≈1.22W,远低于传统高阻产品,可有效减少发热,降低散热设计要求;
  • 电压降小:导通时漏源电压降(Vds(on))约0.15V(Id=8A),适合对电压精度要求较高的电源电路。

2.2 开关特性:易驱动,低损耗

产品开关特性优化重点体现在栅极电荷量与电容参数:

  • 栅极电荷量(Qg):12nC(Vgs=4.5V时),属于低Qg设计,可降低栅极驱动电流,适配3.3V/5V等常见MCU驱动电压,无需额外高压驱动电路;
  • 输入电容(Ciss):1.025nF,反向传输电容(Crss)158pF,输出电容(Coss)209pF,电容值控制在合理范围,兼顾开关速度与噪声抑制,适合100kHz以内的高频应用(如同步Buck转换器)。

2.3 热学与可靠性:宽温稳定,适配复杂场景

  • 耗散功率(Pd)2.5W(25℃),结合SOP-8封装的散热能力,可满足连续工作时的热需求;
  • 工作温度范围-55℃+150℃,覆盖消费类(-40℃+85℃)及工业轻载(-55℃~+125℃)场景,经温度循环、湿度老化等可靠性测试,可应对高低温、湿度变化等复杂环境。

三、封装与集成设计优势

WSP4805采用SOP-8双管集成封装,相比分立双P沟道方案具有明显优势:

  1. 节省PCB空间:集成2个P沟道管于同一封装,减少1个封装占位,适合便携设备(如智能手机、平板电脑)的紧凑布局;
  2. 布线简化:引脚布局合理,漏极、源极、栅极引脚独立且对称,便于电路设计(如双管并联提升电流能力);
  3. 焊接可靠性:SOP-8封装引脚间距适中,适合自动贴装(SMT),焊接良率高,适合量产需求。

四、典型应用场景

WSP4805的参数与设计匹配多类中小功率场景,核心应用包括:

  1. 便携设备电源管理:智能手机、笔记本电脑的电池保护电路(低侧开关)、USB端口负载开关;
  2. 低压DC-DC转换器:5V转3.3V/1.8V的同步Buck转换器(双管可作为上下管)、线性稳压器辅助开关;
  3. 小型电机驱动:玩具电机、小型风扇、智能穿戴设备的振动电机驱动;
  4. 过流保护电路:电源适配器、移动电源的过流/过压保护模块。

五、品牌与品质保障

WINSOK(微硕)作为专业半导体器件厂商,WSP4805经过严格的可靠性测试:

  • 环境测试:温度循环(-55℃~+150℃,1000次)、湿度测试(85℃/85%RH,1000小时);
  • 电气测试:ESD抗扰度(人体模式±2kV)、浪涌测试(Vdss冲击35V);
  • 环保认证:符合RoHS 2.0标准,无铅无卤。

产品已通过多家终端厂商量产验证,品质稳定,可满足中低端消费类及工业轻载应用的成本与性能需求。

总结

WSP4805是一款高性价比双P沟道MOSFET,核心优势在于低导通电阻、易驱动、宽温可靠性与紧凑集成封装。其参数覆盖30V/8A中小功率场景,适合便携设备、电源管理等领域的量产应用,是替代传统分立MOSFET的理想选择。

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