WMSIC Electronic Components

VBsemi WPM2015-3/TR-VB WPM2015

ModelWPM2015-3/TR-VB
PackageSOT-23(TO-236)
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
VBsemi WPM2015-3 / TR-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
WPM2015-3/TR-VB
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.054g
Electronic Component
1
Electronic Component
BM0228586620
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.6W
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.

WPM2015-3/TR-VB(P沟道 MOSFET)产品概述

一、产品简介

WPM2015-3/TR-VB 是 VBsemi(微碧半导体)推出的一款 P 沟道功率 MOSFET,封装为常见的 SOT-23(TO-236),面向便携式电源管理与中低电压高侧开关等应用。器件在 20V 漏源耐压下提供较低的导通电阻和适中的开关性能,适合对体积、成本敏感且对功率损耗有一定要求的场合。

二、主要电气参数(概要)

  • 类型:P 沟道 MOSFET
  • 漏源电压 Vdss:20 V
  • 连续漏极电流 Id:3.5 A
  • 导通电阻 RDS(on):60 mΩ @ VGS=10 V
  • 阈值电压 VGS(th):1.5 V(典型)
  • 总栅极电荷 Qg:6.4 nC @ 2.5 V
  • 输入电容 Ciss:835 pF
  • 输出电容 Coss:180 pF
  • 反向传输电容 Crss:155 pF
  • 功耗 Pd:1.6 W(封装限制)
  • 工作结温 Tj:-55 ℃ ~ +150 ℃
  • 封装:SOT-23(TO-236)
  • 数量:单个(P 沟道)

三、特点与优势

  • 小体积封装(SOT-23),便于表贴、节省 PCB 面积。
  • 低导通电阻(60 mΩ@10V),在中等电流下导通损耗小。
  • 较低的栅极总电荷(6.4 nC),利于快速开关且降低驱动能耗。
  • 适用宽温度范围,可靠性较好,适合消费电子和便携设备。

四、典型应用场景

  • 电池供电设备的高侧负载开关与电源路径选择。
  • USB/移动设备的电源管理与软启动。
  • 逆向保护、反并联实现低损耗的双向开关(结合控制电路)。
  • 小型 DC-DC 转换器中的高侧或补偿电路(在 Vdss 允许范围内)。

五、设计与使用建议

  • 由于器件为 P 沟道,开关控制需将栅极相对于源极驱到足够负电压以导通(例如标准测试条件为 VGS = -10 V),在低电压系统中注意驱动电平的可用性。
  • 热设计:SOT-23 封装功耗 Pd=1.6 W,实际散热能力受 PCB 铜箔和焊盘影响较大。按导通损耗计算,理论上 I_max ≈ sqrt(Pd/RDS) ≈ 5.16 A,但受器件额定连续电流 3.5 A 及散热限制,实际应用应以 Id=3.5 A 为上限并做适度余量(建议在靠近 2–3 A 范围内常规使用,且保证良好散热)。
  • 开关速度与 EMI:Ciss 与 Crss 较大,快速切换时会产生较高的电流尖峰与电磁干扰,必要时在门极串联阻容或使用斜率控制。
  • 保护与容限:不要超过 Vdss=20 V,若工作在汽车或有浪涌的环境,需额外保护或选择更高 Vdss 器件。注意器件的单次能量吸收(Avalanche)参数在资料中未列出,应谨慎处理感性负载。

六、封装与布板注意

  • SOT-23 小巧但散热受限,建议在器件下方设计散热焊盘并拓展铜箔,尽量缩短与电源/负载之间的走线以降低电阻和热积累。
  • 栅极驱动线尽量短,门极串联 10–100 Ω 的阻尼可抑制振铃并限制瞬态电流。

七、选型要点与替代考虑

  • 若系统电压接近或高于 12V 且存在较大浪涌,考虑留有余量或使用更高 Vdss(如 30V/40V)器件。
  • 若需要更低导通损耗或更高电流能力,可选择同类封装中 RDS(on) 更低或更大封装(SOT-223、SO-8)的器件。
  • 在对开关频率和效率有较高要求的场景,注意栅极电荷与 Ciss 对驱动功耗和开关损耗的影响。

总结:WPM2015-3/TR-VB 在中低压、高侧开关与电源管理场合具有体积小、导通损耗适中和驱动功耗低的优点,但受限于 20V 的耐压和 SOT-23 的散热能力,设计时需重视驱动电压、热管理和浪涌保护,以保证长期稳定可靠运行。

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