WMSIC Electronic Components

VBsemi AM4499P-T1-PF-VB AM4499P

ModelAM4499P-T1-PF-VB
PackageSOP-8
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
VBsemi AM4499P-T1-PF-VB
Type
VBSEMI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
AM4499P-T1-PF-VB
Electronic Component
1
Package
SOP-8
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.356g
Electronic Component
1
Electronic Component
BM0227213065
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
3.1W
Electronic Component
Electronic Component
Electronic Component
4000
Voltage(Vdss)
60V

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

AM4499P-T1-PF-VB 产品概述

一、产品简介

AM4499P-T1-PF-VB 是微碧半导体(VBsemi)推出的一款 P 沟道功率场效应晶体管,额定漏源电压 60V,连续漏极电流 8A,适用于中低压高侧开关与电源管理场合。器件封装为 SOP-8,工作温度范围宽 (-55℃ 至 +150℃),具备低导通电阻与适中的栅极电荷,便于在功率与开关速度之间取得平衡。

主要参数一览:

  • 类型:P 沟道 MOSFET
  • Vdss:60V
  • 连续 Id:8A
  • RDS(on):25 mΩ @ |Vgs|=10V
  • Vgs(th):1V(典型)
  • 总栅极电荷 Qg:76 nC @ 10V
  • Ciss:3.5 nF @ 25V; Crss:290 pF @ 25V
  • 最大耗散功率 Pd:3.1W(封装及散热条件相关)
  • 封装:SOP-8

二、主要特性

  • 低导通损耗:在 |Vgs|=10V 条件下 RDS(on) 仅 25 mΩ,适合对导通损耗敏感的高侧开关应用。
  • 平衡的开关性能:Qg=76 nC 与 Ciss=3.5 nF 的组合,使器件在开关速度与驱动能量之间具有良好折中,适用于驱动能力有限但需中等开关频率的场景。
  • 宽温度范围:-55℃ 至 +150℃,适合工业与车规级温度环境(具体认证请参照完整规格书)。
  • 标准 SOP-8 封装,利于批量生产与传统 PCB 布局。

三、典型应用

  • 高侧负载开关:在电池供电或电源管理模块中,用作直接断开/接通电源路径。
  • 反向电池保护与电源路径控制:P 沟道器件便于实现高边控制,减少外部驱动复杂度。
  • 便携设备与工业控制:低 RDS(on) 有利于降低功耗并提升效率。
  • 与 N 沟道配合使用:在双极或互补拓扑中作为高侧元件,配合 N 沟道实现全桥或推挽结构。

四、驱动与开关注意事项

  • 驱动电压与极性:P 沟道 MOSFET 以负向 Vgs 导通,RDS(on) 标定在 |Vgs|=10V 时。设计驱动时需保证栅源电压足够拉低以达成低 RDS(on)。
  • 栅极电荷与驱动能量:Qg=76 nC 表明在较高开关频率时,驱动损耗与驱动器能力需考虑,必要时采用适当的栅驱电路与限流电阻以控制 di/dt,减少 EMI。
  • Miller 电容(Crss=290 pF):较大的 Crss 会影响开关过渡,注意对栅极电压尖峰与漏极电压变化的耦合防护。

五、热管理与可靠性

  • 最大耗散功率 Pd=3.1W(视 PCB 散热条件变化较大),在设计中应考虑足够的铜箔散热面积与必要的热过载保护。
  • 在高电流或高温场景下,须进行功耗计算并按需降额使用,保证结温低于器件最大允许值。
  • 建议在 PCB 布局中为封装引脚附近预留较大散热铜箔,并使用多点焊盘提升热传导效率。

六、封装与布局建议

  • 封装:SOP-8,便于自动贴装与回流焊处理。
  • 布局要点:缩短漏—源与栅极回路的环路面积,靠近器件放置去耦电容,栅极串联合适电阻以抑制振铃,并在需要处添加 TVS 或RC缓冲以保护栅极与钳位瞬态。

七、设计注意与建议

  • 在使用前请参考完整数据手册确认 Vgs 最大允许值、瞬态脉冲能力及 SOA 曲线。
  • 注意 ESD 与浪涌保护,按 MOSFET 常规防护措施操作。
  • 若用于高频同步整流或高侧快速开关,建议评估开关损耗与热升温,必要时考虑并联或改用更低 RDS(on) 的器件。

总结:AM4499P-T1-PF-VB 以 60V 耐压、低 RDS(on) 及 SOP-8 易用封装为特点,适合中等功率的高侧开关与电源管理应用。在实际设计中应重点关注栅极驱动、散热与瞬态保护,以发挥器件最佳性能。如需更详细的绝对最大额定值与典型性能曲线,请参阅厂方完整数据手册。

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