WMSIC Electronic Components

Hottech HKTQ30P03

ModelHKTQ30P03
PackagePDFN3333
BrandHottech
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
Hottech HKTQ30P03
Type
HOTTECH
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
HKTQ30P03
Electronic Component
1
Package
PDFN3333
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.096g
Electronic Component
1
Electronic Component
BM0264463968
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
32W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V

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

HKTQ30P03 — P沟道功率MOSFET产品概述

一、产品概述

HKTQ30P03 是合科泰(Hottech)推出的一款高电流、低导通阻抗的 P 沟道功率 MOSFET,适用于低压高电流的高端开关和电源管理场景。器件采用 PDFN3333 封装,单只器件在适当散热条件下可提供高达 60A 的连续漏极电流能力,同时具备 30V 的漏源耐压和极低的导通电阻,适合作为高侧开关、反接保护或同步整流等应用元件。

二、核心参数(摘要)

  • 类型:P沟道 MOSFET
  • 漏源耐压 Vdss:30 V
  • 连续漏极电流 Id:60 A
  • 导通电阻 RDS(on):7.4 mΩ @ Vgs = 10 V(厂商标注)
  • 总耗散功率 Pd:32 W
  • 门极阈值电压 Vgs(th):约 1.6 V(以 |Vgs| 表示,典型值)
  • 栅极电荷量 Qg:81 nC @ 10 V
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:PDFN3333(带散热焊盘)
  • 品牌:Hottech(合科泰)

三、主要特性与优势

  • 低 RDS(on):7.4 mΩ 的低导通阻抗在高电流工作时显著降低导通损耗,适合需要高效率的电源路径。
  • 高电流能力:60A 连续漏极电流(需良好散热)可满足大电流开关和负载切换需求。
  • 紧凑封装:PDFN3333 提供紧凑尺寸同时有利于热量通过底部焊盘传导到 PCB,节省空间并便于批量装配。
  • 宽温度范围:适合工业级环境使用。

四、典型应用场景

  • 低压系统的高侧开关(P 沟道常用于替代高侧 N 沟道驱动器)
  • 电池管理和负载切换(如电池供电设备的反接保护、断电切换)
  • 同步整流(某些拓扑可用 P 沟道实现简化驱动)
  • DC-DC 转换器中的高侧开关、功率路径控制、电源路由等

五、热管理与功耗估算

  • 标称 Pd = 32 W,但该数值依赖于 PCB 散热和环境条件。PDFN 封装需要通过大面积铜箔和热过孔扩展热阻。
  • 示例损耗计算:在满载 60 A 且 RDS(on)=7.4 mΩ 的情况下,导通损耗约为 I^2·R = 60^2×0.0074 ≈ 26.6 W,已经接近器件额定耗散,需充分散热(大面积敷铜、热孔以及底部焊盘连接地或电源铜)以避免过热。
  • 实际设计中建议工作电流留有裕量,或采用并联多颗 MOSFET 分担热量和电流。

六、栅极驱动与开关性能

  • Qg = 81 nC(@10 V)表明栅极电荷偏大,快速切换时需要较强驱动电流以在较短时间内充放电栅电容。按能量估算:单次栅极充电能量约为 0.5·Qg·Vdrive ≈ 0.5×81nC×10V ≈ 405 nJ。
  • 驱动器需具备足够峰值电流以获得期望的开关速度;否则会引入较大开关损耗与较长的过渡时间。
  • 对于 P 沟道器件,栅源电压极性与 N 沟道相反:要充分导通须使 Vgs 为负(例如相对于源电位将栅极拉低约 10V)。请查看完整数据手册确认允许的最大 Vgs 幅值并设计限流/钳位保护。

七、PCB 布局建议

  • 底部热焊盘必须与大面积铜箔连通,并通过多颗过孔向 PCB 内层或背面扩散热量。
  • 漏/源的走线尽量短粗以降低寄生电阻和电感;关键电流回路建议采用多层铜或宽铜带。
  • 栅极走线应尽量短,靠近驱动端布局并添加适当的钳位或 RC 阻尼以控制振铃与开关应力。
  • 对于并联使用,注意匹配 RDS(on) 与热路径,使用对称布局以均流。

八、使用注意事项与建议

  • 在高电流工作点一定要评估实际结温、封装热阻与 PCB 散热能力,避免仅以额定 Id 进行设计。
  • 确认系统中允许的最大 Vgs 并实现必要的门极保护(栅极电阻、TVS 或限幅网络)。
  • 适用于需要简化高侧驱动或节省驱动器成本的场景,但对开关频率和驱动能力要做好权衡(Qg 较大时高频下驱动损耗显著)。

九、结论

HKTQ30P03 是一款面向高电流、低压电源路径控制的 P 沟道 MOSFET,具有低 RDS(on) 与紧凑封装的优势。适合用作电源高侧开关、负载切换与电池管理等场景。设计时需重视栅极驱动能力与 PCB 热设计,确保器件在合理温升下稳定工作。欲获取更详尽的极限参数、典型曲线及封装尺寸,请参阅合科泰官方数据手册或联系供应商技术支持。

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