WMSIC Electronic Components

WINSOK WSP4620

ModelWSP4620
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
WINSOK WSP4620
Type
WINSOK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WINSOK
Electronic Component
WSP4620
Electronic Component
1
Package
SOP-8
Electronic Component
1 N +1 P
Type
N +P
Electronic Component
MOSFET
Electronic Component
0.209g
Electronic Component
1
Electronic Component
BM0264498696
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
3.5W
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.

WSP4620(N+P沟道MOSFET)产品概述

WSP4620是WINSOK(微硕)推出的单封装集成N沟道+P沟道MOSFET,采用SOP-8贴片封装,专为低压大电流场景设计,具备低导通电阻、快速开关、高可靠性等核心优势,广泛适配便携电子、电源管理等领域的电路需求。

一、产品核心定位与集成特性

WSP4620通过SOP-8封装将1个N沟道和1个P沟道MOSFET集成在同一芯片上,相比分立器件方案:

  • 减少PCB占用面积约50%,简化电路布局(无需额外设计N/P管的匹配走线);
  • 降低焊接工序复杂度,提升生产效率;
  • 保证N/P管的电气参数一致性,避免分立器件因参数差异导致的性能波动。

二、关键电气参数深度解析

WSP4620的参数设计针对低压大电流、低损耗场景优化,核心参数如下:

1. 耐压与阈值特性

  • 漏源击穿电压(Vdss):30V(N/P沟道均满足),适配常见低压电源(如5V/12V/24V系统);
  • 栅源阈值电压(Vgs(th)):1.5V(典型值),可直接由MCU(3.3V/5V逻辑)驱动,无需额外栅极驱动电路,简化系统设计。

2. 电流与功耗表现

  • 连续漏极电流(Id):8.8A(结温Tj=25℃时),峰值电流能力强,满足小体积设备的大电流需求;
  • 最大耗散功率(Pd):3.5W(结温Tj=25℃时),结合低导通电阻,可有效控制热损耗。

3. 导通电阻与损耗控制

  • N沟道导通电阻(RDS(on)):18mΩ@Vgs=10V;
  • P沟道导通电阻(RDS(on)):22mΩ@Vgs=10V; 损耗计算示例:在8A连续电流下,N沟道导通损耗为I²×RDS(on)=8²×0.018=1.152W,P沟道为8²×0.022=1.408W,总导通损耗仅2.56W,远低于同类分立器件方案,大幅提升电源转换效率。

4. 开关特性与电容参数

  • 栅极电荷量(Qg):6nC@Vgs=4.5V,栅极电荷低意味着开关速度快,适合高频DC-DC转换(如100kHz以上应用);
  • 输入电容(Ciss):572pF@Vds=15V;反向传输电容(Crss):65pF@Vds=15V;输出电容(Coss):81pF(典型值)/134pF(最大值),电容参数稳定,减少开关噪声干扰。

三、封装与可靠性设计

WSP4620采用SOP-8贴片封装,具备以下优势:

  • 尺寸紧凑:封装尺寸约5.2×6.2×1.75mm,适配小型化产品(如移动电源、蓝牙耳机充电盒);
  • 散热设计:封装引脚与芯片的热耦合良好,结合3.5W的功耗能力,可通过PCB铜箔辅助散热,满足长时间工作需求;
  • 宽温可靠性:结温(Tj)范围为-55℃~+150℃,可适应极端环境(如工业低温场景、户外高温场景),MTBF(平均无故障时间)符合工业级标准。

四、典型应用场景

WSP4620的参数特性使其适配多种低压大电流场景:

  1. 便携电子设备:移动电源(升压/降压电路的同步整流与开关管)、充电宝(18650电池组的充放电控制);
  2. 小型电源管理:DC-DC转换器(如5V转12V、12V转5V)、线性稳压器的开关扩展;
  3. 电池保护电路:锂电池过充/过放保护(N沟道负责放电回路,P沟道负责充电回路);
  4. 小型电机驱动:玩具电机、小型风扇、智能穿戴设备的震动马达驱动(低功耗、无噪音)。

五、产品优势总结

相比同类N+P复合MOSFET,WSP4620的核心竞争力在于:

  • 高集成度:单封装集成N/P管,节省PCB空间与BOM成本;
  • 低损耗:18mΩ/22mΩ的导通电阻,实现高效能量转换;
  • 易驱动:1.5V阈值电压,MCU直接驱动,简化系统设计;
  • 宽温可靠:-55℃~+150℃结温,适应恶劣环境;
  • 高电流密度:8.8A连续电流,满足小体积大电流需求。

WSP4620凭借以上特性,成为便携电子、电源管理等领域的高性价比选择,可有效提升产品的小型化程度与能量转换效率。

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