WMSIC Electronic Components

Infineon IPG20N04S412ATMA1

ModelIPG20N04S412ATMA1
PackageTDSON-8
BrandInfineon
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
Infineon IPG20N04S412ATMA1
Type
INFINEON
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
IPG20N04S412ATMA1
Electronic Component
1
Package
TDSON-8
Electronic Component
MOSFET
Electronic Component
0g
Electronic Component
1
FET
Electronic Component
FET Type
2 N
Electronic Component
BM0229960401
Type
Surface Mount
Operating Temperature
55°C ~ 175°C(TJ)
Power
41W
Electronic Component
Electronic Component
Electronic Component
5000

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

IPG20N04S412ATMA1 产品概述

IPG20N04S412ATMA1 是英飞凌(Infineon)推出的一款双通道 N 沟 MOSFET 阵列,额定漏源电压 40V、单器件在 25°C 时连续漏极电流可达 20A,封装为 TDSON-8(PG-TDSON-8-4),适合中低压、高效率开关与功率管理应用。器件以较低的导通电阻和适中的开关电容/栅极电荷实现良好的导通与开关折衷,封装利于 PCB 散热设计与表面贴装自动化生产。

一、关键参数一览

  • 漏源电压 Vdss:40 V
  • 最大连续漏极电流 Id(25°C):20 A
  • 导通电阻 Rds(on)(最大):12.2 mΩ @ Id=17 A, Vgs=10 V
  • 栅阈电压 Vgs(th)(最大):4 V @ Id=15 µA
  • 栅极电荷 Qg(最大):18 nC @ Vgs=10 V
  • 输入电容 Ciss(最大):1470 pF @ Vds=25 V
  • 最大功率吸收(封装相关):41 W
  • 结温范围 TJ:-55°C ~ 175°C
  • FET 架构:2 × N 通道(双)标准 MOSFET 阵列
  • 封装:TDSON-8(PG-TDSON-8-4,表面贴装)

二、主要特性与优势

  • 低导通电阻(12.2 mΩ@10V)在高电流工作点可将导通损耗降到较低水平,适用于要求高效率的功率路径。
  • 中等栅极电荷(18 nC)兼顾了开关损耗与驱动能量需求,适合常见的开关频率(几十 kHz 至数百 kHz)应用。
  • 双通道阵列形式便于在 PCB 布局中节省空间并实现对称驱动(例如半桥或双路开关)。
  • TDSON-8 封装带有热垫,利于通过 PCB 铜箔和过孔进行散热管理,适合表面贴装工艺。

三、典型应用

  • 同步降压(buck)与升压(boost)电源拓扑的高侧/低侧开关。
  • 电机驱动(低压驱动与辅助功率开关)。
  • 汽车 12V/24V 车载电子负载开关与电源管理(40V 耐压适应较宽的输入范围)。
  • 纹波或开关电源中的开关管、负载开关与续流路径。
  • 多路电源或负载分配场景(双通道便于独立控制两个功率通道)。

四、驱动与开关性能建议

  • 为达到标称 Rds(on)(12.2 mΩ),建议使用 Vgs≈10 V 的驱动电平;Vgs(th) 最大达 4 V(@ 15 µA),因此在 3.3 V 栅极电平下无法保证低阻态,应避免仅靠 3.3 V 直接驱动以追求最低导通损耗。
  • 栅极电荷 Qg=18 nC 表明驱动器需具备一定的瞬时输出能力:例如在 500 kHz 开关频率下,栅极驱动功率 Pd = Qg × Vdrive × f ≈ 18nC × 10V × 500kHz = 0.09 W(≈90 mW),驱动电流峰值取决于栅极阻抗与驱动器能力。
  • 输入电容 Ciss=1470 pF 与芯片的 Miller 电容共同影响上升/下降时间与开关损耗,推荐在高速开关时使用合适的栅极电阻以限制 dv/dt 并抑制振铃,同时保持开关损耗在可接受范围。

五、封装与热管理建议

  • TDSON-8 封装带有底部散热垫(exposed pad),建议在 PCB 下方布置铜箔并结合多个过孔(thermal vias)将热量传导到多层散热层,以充分利用器件最大功率能力(41 W 与结温 TJ 上限)。
  • 设计中须关注 PCB 的散热能力:实际允许的连续电流与功耗受限于板上热阻与环境散热条件,测试时以实际 PCB 版图与工作点评估结温。
  • 推荐遵循封装供应商的焊盘和回流温度曲线规范,保证焊接可靠性与热接触质量。

六、设计注意事项

  • 布局时尽量缩短功率回路的电流环路长度,减小寄生电感,以降低开关瞬态电压尖峰与 EMI。
  • 在高频开关应用中注意使用合适的 RC 缓冲或栅极电阻,配合阻尼措施降低振铃与电磁干扰。
  • 由于器件为双通道结构,若并联使用(需要更大电流),需评估通道间电流均衡与封装散热能力。
  • 器件并非严格 3.3 V 逻辑电平级,设计驱动电路时以 10 V 驱动为宜以确保最低 Rds(on)。

七、总结

IPG20N04S412ATMA1 为一款面向中低压、高效率开关应用的双通道 N 沟 MOSFET 阵列,提供低导通电阻、适中的栅极电荷和方便的 TDSON-8 表面贴装封装。适合同步整流、DC-DC 电源、车载与工业类负载开关等场景。在系统设计中,应重点考虑栅极驱动电平(推荐 10 V)、PCB 散热/布局和开关损耗管理,以发挥器件的最佳性能与可靠性。若需进行最终电路设计与热仿真,建议基于具体 PCB 版型和工作点进行试验验证。

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