WMSIC Electronic Components

VBsemi APM2301AC-VB APM2301AC

ModelAPM2301AC-VB
PackageSOT-23-3
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+

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Technical data

Product details

19 specifications

Core information

Product name
VBsemi APM2301AC-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
APM2301AC-VB
Electronic Component
1
Package
SOT-23-3
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.054g
Electronic Component
1
Electronic Component
BM0265607377
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2.5W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

APM2301AC-VB P沟道MOS场效应管产品概述

一、产品基本定位与封装

APM2301AC-VB是VBsemi(微碧半导体)推出的低压中电流P沟道增强型MOS管,针对体积敏感、效率要求高的场景优化。器件采用SOT-23-3小型表面贴装封装(引脚定义:G=栅极、S=源极、D=漏极),尺寸仅约2.9mm×1.6mm×1.1mm,可大幅压缩PCB布局空间,适配便携式设备、高密度电源模块等场景。

二、核心电气参数与性能解读

该器件的参数围绕“低损耗、快开关、宽温适配”设计,关键性能如下:

1. 电压与电流能力

  • 漏源击穿电压Vdss=20V:明确器件适用**≤20V低压系统**(如5V、12V电源域),避免高压击穿风险;
  • 连续漏极电流Id=4A:25℃环境下的最大持续导通电流,需结合温度降额(环境温度每升高1℃,最大允许电流约降额0.3%);
  • 耗散功率Pd=2.5W:25℃时的最大允许功耗,150℃时降至0(需参考官方温度-功率曲线)。

2. 导通与开关特性

  • 导通电阻RDS(on)=60mΩ@Vgs=-10V:低导通电阻是核心优势——4A电流下导通损耗仅0.96W(P=I²×R),显著提升电路效率;
  • 阈值电压Vgs(th)=-1.5V@Id=250μA:低阈值意味着3.3V/5V低压栅极可直接驱动,无需额外升压电路,简化外围设计;
  • 栅极电荷量Qg=10nC@Vgs=-4.5V:小Qg值保证快开关速度(开关延迟<100ns),适配kHz级高频应用(如DC-DC转换)。

3. 电容与温域特性

  • 输入电容Ciss=835pF、反向传输电容Crss=155pF:Crss较小可抑制开关噪声,Ciss虽不低但结合低Qg,整体开关性能仍出色;
  • 工作温度-55℃~+150℃:覆盖工业级(-40℃~+85℃)与高温场景,适配户外、车载等恶劣环境(需确认车规认证)。

三、典型应用场景

APM2301AC-VB的参数特性使其在以下场景表现突出:

  1. 便携式设备电源管理:智能手机、平板的电池充放电控制、负载开关(屏幕背光、摄像头电源通断);
  2. 低压DC-DC转换器:同步降压/升压电路的同步整流管(如5V转3.3V、12V转5V),降低导通损耗;
  3. 小型负载开关:LED驱动、玩具电机的无触点通断控制,替代继电器实现静音开关;
  4. 工业控制辅助电路:低电压信号切换、传感器供电控制,宽温适配工业环境;
  5. 汽车电子次级电路:车载USB充电、仪表盘背光等低压电路(需确认车规认证)。

四、使用注意事项

  1. 栅极防护:Vgs需控制在±20V以内(避免过压击穿),驱动电压建议-4.5V~-10V确保充分导通;
  2. 散热设计:连续电流接近4A时,需为漏极引脚增加散热铜箔(连接电源地或散热层),降低结温;
  3. 静电防护:MOS管对静电敏感,操作时需佩戴防静电手环,使用防静电工具;
  4. 高频限制:Ciss较大(835pF),>100kHz应用时需确保驱动电路提供足够峰值电流,避免开关延迟。

五、总结

APM2301AC-VB凭借低导通电阻、快开关速度、宽温范围与紧凑封装,成为低压中电流应用的高性价比选择。其适配3.3V/5V低压驱动,无需复杂外围,可广泛用于便携式设备、电源管理、负载开关等领域,是优化电路效率与体积的理想器件。

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