WMSIC Electronic Components

HL 8205A

Model8205A
PackageTSSOP-8
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 8205A
Type
HL
Minimum package
5000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HL
Electronic Component
8205A
Electronic Component
1
Package
TSSOP-8
Electronic Component
2 N
Electronic Component
MOSFET
Electronic Component
0.109g
Electronic Component
1
Electronic Component
BM0265709402
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.2W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
19.5V
Capacitor(Ciss)
465pF

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8205A双N沟道MOSFET产品概述

一、产品核心定位

HL富海微8205A是一款双N沟道增强型MOSFET,专为低电压、中电流场景设计,将两颗独立N沟道MOS管集成于TSSOP-8紧凑封装中,适配便携电子、小型电机驱动、电源管理等多领域需求,兼具高集成度、低损耗与宽温可靠性,是国产替代进口同类产品的可靠选择。

二、关键电气参数解析

8205A的参数针对低电压应用深度优化,核心指标及实际意义如下:

1. 电压与电流能力

  • 漏源击穿电压(Vdss):19.5V,远高于常见5V/12V系统电压,为电路提供充足安全余量;
  • 连续漏极电流(Id):4.5A,支持中等功率负载(如小型电机、LED阵列)的持续稳定工作;
  • 峰值电流潜力:结合封装散热与1.2W额定功率,短期峰值电流可满足10A以上需求(需配合PCB铜箔散热设计)。

2. 导通损耗特性

  • 导通电阻(RDS(on)):19mΩ@4.5V(栅极电压4.5V时),是该产品核心优势——低导通电阻直接降低导通损耗(公式:P=I²R),4.5A负载下损耗仅约0.38W,远低于额定耗散功率,长期工作温度可控。

3. 栅极与开关特性

  • 阈值电压(Vgs(th)):700mV@250uA,低阈值使产品易被微控制器(MCU)驱动(1.8V/3.3V/5V IO口均可可靠开启),无需额外栅极驱动电路;
  • 栅极电荷量(Qg):[email protected],小栅极电荷意味着开关过程中栅极所需能量少,开关速度快(适合几十kHz的DC-DC同步整流);
  • 电容参数:输入电容(Ciss=465pF)、反向传输电容(Crss=76pF)、输出电容(Coss=99pF),电容值适中,平衡了开关速度与EMI(电磁干扰),避免高频下干扰过大。

4. 功率与温度范围

  • 耗散功率(Pd):1.2W(25℃时),TSSOP-8封装的散热能力可支撑该功率,若搭配PCB铜箔散热,实际功率余量更充足;
  • 工作温度:-55℃+150℃,宽温范围满足工业级(-40+85℃)与车载级(-40~+125℃)需求,极端环境下可靠性稳定。

三、封装与物理特性

8205A采用TSSOP-8封装(薄型小尺寸封装),引脚间距0.65mm,尺寸约3mm×4.9mm,相比传统DIP封装节省约70%PCB空间,适合便携设备(如智能手机、智能手表)的高密度布局;封装引脚为双N沟道独立配置(典型引脚:漏极D1/D2、源极S1/S2、栅极G1/G2),便于电路设计时灵活复用两颗MOS管。

四、典型应用场景

结合参数优势,8205A广泛应用于以下场景:

1. 便携电子设备电源路径

  • 智能手机/平板负载开关:控制电池到外设(摄像头、传感器)的供电,低RDS(on)减少电池损耗;
  • 无线耳机/智能手环充电管理:作为充电电路开关,低阈值易被MCU驱动,宽温适应不同使用环境。

2. 小型电机与执行器驱动

  • 玩具电机、小型风扇、微型泵驱动电路:4.5A连续电流满足多数小型电机需求,开关速度快可实现调速;
  • 智能门锁、扫地机器人执行器驱动:低损耗避免设备发热,宽温范围适配家庭/工业环境。

3. 电源管理模块

  • DC-DC同步整流器:双N沟道设计适合同步降压拓扑,低RDS(on)减少整流损耗,电源效率可达90%以上;
  • 线性稳压器(LDO)辅助开关:控制输出使能,低导通电阻降低额外损耗。

4. 工业与车载辅助电路

  • 工业传感器供电开关:宽温范围满足工业现场极端温度;
  • 车载小灯/USB充电口控制:符合车载温度标准,可靠控制低功率负载。

五、性能优势总结

HL富海微8205A的核心优势可概括为:

  1. 低损耗高效率:19mΩ低导通电阻+6.1nC小栅极电荷,兼顾导通与开关损耗;
  2. 高集成小尺寸:双N沟道集成于TSSOP-8封装,节省PCB空间;
  3. 宽温可靠性:-55~+150℃工作范围,适配工业、车载等极端环境;
  4. 易驱动兼容性:700mV低阈值,兼容1.8V/3.3V/5V MCU,无需额外驱动;
  5. 安全余量充足:19.5V击穿电压、1.2W额定功率,满足多数低电压应用需求。

该产品在便携电子、小型驱动等领域具有较强性价比优势,是国产MOSFET的代表性产品之一。

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