WMSIC Electronic Components

JSMSEMI AO4407A

ModelAO4407A
PackageSOP-8
BrandJSMSEMI
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
JSMSEMI AO4407A
Type
JSMSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
AO4407A
Electronic Component
1
Package
SOP-8
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.15g
Electronic Component
1
Electronic Component
BM0230664892
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.5W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V
Capacitor(Ciss)
2.73nF

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

AO4407A 产品概述

一、主要特性

AO4407A 是 JSMSEMI(杰盛微)推出的一款 P 沟道场效应管(MOSFET),适合高侧开关与功率管理应用。主要参数如下:

  • 数量:1 个 P 沟道
  • 漏源耐压 Vdss:30 V
  • 连续漏极电流 Id:13 A(受封装与散热限制)
  • 导通电阻 RDS(on):9 mΩ
  • 功耗 Pd:1.5 W
  • 阈值电压 Vgs(th):1 V
  • 栅极总电荷 Qg:42 nC @ 15 V
  • 输入电容 Ciss:2.73 nF @ 15 V
  • 反向传输电容 Crss:590 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 品牌:JSMSEMI(杰盛微)
  • 封装:SOP-8(表面贴装)

二、性能解读

  • 低导通电阻(9 mΩ)在导通状态下能显著降低导通损耗,适合较大电流通过场合,但实际电流能力受封装散热能力制约,SOP-8 的热阻较高,需考虑 PCB 散热设计以发挥 13 A 的能力。
  • 较小的阈值电压(1 V)有利于在较低栅压下导通,但栅极驱动仍需保证足够的负栅压幅度以达到低 RDS(on)。
  • Qg 为 42 nC(以 15 V 测得)表明该器件在开关过程中需要较多的驱动能量,驱动器需具备足够电流能力;同时较大的 Ciss(2.73 nF)和 Crss(590 pF)意味着开关过渡期间受米勒效应影响明显,注意 dv/dt 管理与栅阻设计。

三、典型应用场景

  • 高侧开关与电源路径切换(P 沟道便于直接用于高侧控制)
  • 便携式电源管理、DC-DC 同步整流(需评估脉冲损耗)
  • 电池保护、反向连接保护与负载隔离
  • 低压大电流的开关电源和电机驱动前端(需配合合适的驱动与散热)

四、封装与热管理建议

SOP-8 封装便于批量贴装,但封装散热能力有限。实际应用建议:

  • 在 PCB 设计时增大铜箔面积(尤其是源、漏引脚对应铜皮),并添加过孔导通至对侧散热层。
  • 采用短走线和良好布局减少寄生电感,降低开关尖峰。
  • 对于频繁开关或高平均功耗场合,考虑并联或使用更低热阻的封装替代。

五、使用建议与注意事项

  • 驱动:由于 Qg 与 Ciss 较大,建议使用能提供较大峰值电流的栅极驱动器或在栅极串联合适阻值以抑制振铃。
  • 保护:设计中应加短路保护与软启动策略,避免在高频开关时产生过高的开关损耗与电磁干扰。
  • 参数验证:在实际电路中,建议在典型工作点下验证 RDS(on)、温升与热关断行为,确保长期可靠性。
  • 最大栅压:使用前请参见完整数据手册确认最大 Vgs,以免超压损坏。

六、结论

AO4407A(JSMSEMI,SOP-8)以其低 RDS(on) 和较高电流能力适合多种高侧开关与电源管理应用,但需关注栅极驱动能量、米勒效应及封装散热限制。在合理的 PCB 散热设计与合适的驱动策略下,能够在便携电源、负载保护与电源路径切换等场景中发挥良好性能。若需进一步参数(如最大 Vgs、典型特性曲线、动态损耗数据等),建议参考厂方完整数据手册或联系供应商技术支持。

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