WMSIC Electronic Components

HL 8205

Model8205
PackageSOT-23-6
BrandHL
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
HL 8205
Type
HL
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HL
Electronic Component
8205
Electronic Component
1
Package
SOT-23-6
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.045g
Electronic Component
1
Electronic Component
BM0265846993
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V
Capacitor(Ciss)
465pF
Output Capacitor(Coss)
99pF

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

HL富海微8205 N沟道MOSFET产品概述

一、核心参数总览

HL8205是一款单N沟道增强型MOSFET,专为低电压、中电流场景设计,核心参数如下:

  • 电压电流规格:漏源击穿电压(Vdss)20V,连续漏极电流(Id)4.5A(结温25℃时额定值),栅极最大电压(Vgs(max))±8V(安全操作范围);
  • 导通电阻:RDS(on)=19mΩ@Vgs=4.5V(导通损耗低的关键特性);
  • 栅极与阈值特性:阈值电压(Vgs(th))700mV@Id=250μA(25℃),栅极电荷量(Qg)6.1nC@Vgs=4.5V;
  • 电容特性:输入电容(Ciss)465pF,反向传输电容(Crss)76pF,输出电容(Coss)99pF。

二、关键性能特性

  1. 低功耗导通能力
    19mΩ的导通电阻在SOT-23-6封装中表现突出,导通损耗(I²R)仅为同类产品的85%左右,尤其适合电池供电设备(如TWS耳机、智能手表),可有效延长续航时间。

  2. 宽栅极驱动兼容性
    700mV的低阈值电压支持1.8V、2.5V、3.3V、4.5V等常见栅极驱动电压,无需额外升压电路,可直接适配低电压MCU(如STM32L系列、ESP32-S3),简化系统设计。

  3. 高速开关性能
    6.1nC的低栅极电荷结合低Crss(76pF),可抑制米勒效应,开关速度提升20%以上,满足10MHz以下高频开关应用(如小型DC-DC转换器)。

  4. 小型化封装适配
    SOT-23-6封装尺寸仅2.9×1.6×1.1mm,适合高密度PCB布局,符合便携设备“轻薄化”趋势,可兼容现有主流贴片生产线。

  5. 宽温可靠性
    工作结温范围为-55℃至150℃,符合工业级可靠性要求;封装引脚强度满足IEC 60068-2-21标准,抗机械应力能力强。

三、典型应用场景

  1. 便携设备电源管理
    智能手机、平板、智能手表的电源路径切换(电池与Type-C充电切换)、负载开关(无线模块、传感器供电控制),降低待机功耗(典型值<1μA)。

  2. TWS耳机与音频设备
    充电盒的电池充放电管理、耳机内部的音频信号路径切换、低功耗LED指示驱动,适配1-3A的电流需求。

  3. 小型DC-DC转换器
    12V转5V、5V转3.3V等低电压Buck电路的开关管,支持1-4.5A输出电流,适合物联网终端、智能穿戴的电源模块。

  4. 低功耗负载开关
    传感器节点、蓝牙模块的通断控制,通过低阈值电压实现“零压降”导通,待机电流<50nA。

四、应用注意事项

  1. 栅极驱动防护
    需确保Vgs不超过±8V,避免栅极氧化层击穿;建议在栅极串联10-100Ω电阻,平衡开关速度与EMI(电磁干扰)。

  2. 散热设计
    SOT-23-6封装的散热依赖PCB铜箔,需在漏极引脚附近铺设≥10mm²的铜箔,若连续电流>3A,需增加散热过孔。

  3. 电流降额
    结温每升高1℃,连续漏极电流需降额0.6%(如结温100℃时,Id额定值降至3.2A左右)。

五、选型对比优势

与同封装(SOT-23-6)竞品相比:

  • 导通电阻低10%-15%,导通损耗更小;
  • 阈值电压低30%,适配更多低电压MCU;
  • 栅极电荷低20%,开关速度更快,EMI更优。

HL8205凭借低功耗、小型化、宽驱动兼容性等特性,成为便携电子、物联网终端的电源管理优选器件,可覆盖90%以上低电压中电流场景的需求。

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