WMSIC Electronic Components

JJW JMTQ130P04A

ModelJMTQ130P04A
PackagePDFN3x3-8L
BrandJJW
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
JJW JMTQ130P04A
Type
JJW
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMTQ130P04A
Electronic Component
1
Package
PDFN3x3-8L
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.111g
Electronic Component
1
Electronic Component
BM0226338269
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
20W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
40V
Capacitor(Ciss)
3.7nF

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

JMTQ130P04A 产品概述

一、产品简介

JMTQ130P04A 是捷捷微(JJW)出品的一款低阻抗、40V 级沟道 MOSFET,采用 PDFN3x3-8L 小型封装,适用于对功率密度和开关性能有较高要求的电源与电机驱动场景。器件设计兼顾低导通损耗与中等开关速度,适合同步整流、降压转换器、负载开关与电源分配等应用。

二、主要参数

  • 漏源耐压 Vdss:40 V
  • 连续漏极电流 Id:30 A(器件极限,实际散热相关)
  • 导通电阻 RDS(on):10.3 mΩ @ Vgs = 10 V
  • 阈值电压 Vgs(th):1.5 V @ ID = 250 μA
  • 栅极电荷量 Qg:68 nC @ Vgs = 10 V
  • 输入电容 Ciss:3.7 nF
  • 输出电容 Coss:340 pF
  • 反向传输电容 Crss(Coss/Rss):290 pF
  • 功率耗散 Pd:20 W(注意实际耗散受 PCB 散热能力影响)
  • 工作温度:-55 ℃ ~ +150 ℃
  • 封装:PDFN3x3-8L

三、关键特性与电气行为

  • 低导通阻抗:10.3 mΩ @ 10 V 的 RDS(on) 在中等电流下能显著降低导通损耗,有利于提高效率和降低发热。
  • 中高栅极电荷:Qg = 68 nC 表示在快速开关时需要较大的栅极驱动能量,要求驱动器具备足够的峰值驱动电流以实现所需的开关斜率。
  • 电容特性:Ciss = 3.7 nF、Coss = 340 pF、Crss = 290 pF。较大的 Ciss 会增加栅极充电时间;较高的 Crss(Miller 电容)会在开关转换期放大米勒效应,影响开关过渡和驱动稳定性。
  • 阈值与驱动:Vgs(th) 约 1.5 V,但该电压只是导通门槛,建议使用 10 V 驱动以充分发挥最低 RDS(on)。

示例损耗估算(近似):

  • 导通损耗 Pcon ≈ I^2 × RDS(on)。例如在 30 A 连续电流下,Pcon ≈ 30^2 × 0.0103 ≈ 9.27 W(实际应考虑结温和 RDS(on) 随温度上升的增加)。
  • 栅极驱动平均电流 Ig_avg ≈ Qg × f_sw。例如 f_sw = 500 kHz 时,Ig_avg ≈ 68 nC × 500 kHz = 34 mA;但峰值驱动电流依赖驱动器电压与驱阻。

四、热管理与封装注意事项

  • PDFN3x3-8L 封装体积小,热阻相对较高,对 PCB 散热依赖强。建议采用大面积铜箔散热区并在焊盘下方和底层布设多颗热通孔(thermal vias),以提升热传导到多层铜层的能力。
  • 器件额定 Pd = 20 W 是在特定测试条件下的数值,实际系统中需结合 PCB 热阻和实际结温评估安全余量。长期高电流工作应确保结温不超过器件规定上限。
  • 布局建议将主电流回路尽量缩短、增大铜厚并降低回路电感,以减少寄生损耗及电磁干扰。

五、典型应用场景与设计建议

适用场景包括但不限于:

  • 同步降压转换器(高效同步整流)
  • DC-DC 电源开关与负载切换
  • 电机驱动(中低压段)
  • 电池管理与电源分配模块

设计建议:

  • 栅极驱动:推荐 10 V 驱动电压,考虑 Qg 较大,驱动器需具备足够的峰值电流(根据所需开关速度选择合适的外加栅极电阻 Rg,典型 Rg 取 2–20 Ω;若要求快速切换,Rg 可取较低值并使用驱动器提供较大电流)。
  • 抑制过压/反向尖峰:由于 Vdss 为 40 V,系统中应配置合适的钳位或吸收网络(RCD、TVS 等)防止瞬态超压。
  • 布局:栅极走线要短且避开噪声敏感信号;在 MOSFET 近旁放置高品质去耦电容,减小开关回路电感。
  • 保护:考虑软启动、过流检测与温度保护以提高系统可靠性。

六、选型与可靠性建议

  • 在高电流或高频率场合,需综合考虑导通损耗、开关损耗与器件结温,必要时在仿真或样机测试中验证。
  • 对于要求更低导通阻抗或更高耐压的应用,可在 JJW 产品线中比较相邻型号,权衡 RDS(on)、Qg、封装散热能力与成本。
  • 生产与装配时注意静电防护(ESD),并遵守厂家的焊接/回流曲线与封装/贴装指南以保证品质与长期可靠性。

如需针对具体电路(例如同步降压单相/多相、特定开关频率与功率等级)进行详细损耗计算、驱动器选型或 PCB 热设计建议,可提供工作点(电压、电流、开关频率、PCB 层数与铜厚)以便进一步优化。

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