WMSIC Electronic Components

Infineon ITS4141N

ModelITS4141N
PackageSOT-223-4
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Infineon ITS4141N
Type
INFINEON
Unit
Electronic Component
Minimum package
4000

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
ITS4141N
Electronic Component
1
Package
SOT-223-4
Type
Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.25g
Electronic Component
1
Channel Count
1
Features
Voltage
Electronic Component
BM0058405720
Resistor
200mΩ
Operating Temperature
30℃~+85℃
Operating Voltage
12V~45V
Electronic Component
4000

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

ITS4141N 产品概述

一、功能与特性

ITS4141N 是英飞凌推出的一款高侧功率电子开关,集成多种保护功能以提高系统可靠性。主要特性包括:过热保护(OTP)、过压保护(OVP)、短路保护(SCP)和欠压保护(UVP)。器件采用高电平有效的输入控制逻辑,便于与微控制器或逻辑电平直接驱动。工作电压范围覆盖 12V 至 45V,适用于车载与工业电源域。

二、主要参数

  • 类型:高侧开关(单通道)
  • 通道数:1
  • 工作电压:12V ~ 45V
  • 导通电阻(RDS(on)):约 200 mΩ
  • 工作温度范围:-30℃ ~ +85℃
  • 输入控制:高电平有效
  • 封装:SOT-223-4

这些参数表明 ITS4141N 适合中等电流、需要保护机制的负载驱动应用。

三、典型应用场景

ITS4141N 常用于需要可靠开关和保护的场合,例如:

  • 汽车电子负载开关(点烟器、泵、风扇等)
  • 工业控制与电源分配
  • 继电器替代、灯光与指示负载控制
  • 线缆保护与系统热管理子模块

四、封装与热管理

SOT-223-4 封装适合中等功耗应用,具有一定散热能力。实际设计时建议在 PCB 上为器件引脚扩展铜箔面积,必要时连接底层散热层或在元件下方增加热铜以降低结温。应考虑器件在 85℃ 上限附近的长期可靠性和额定功耗降额。

五、设计与使用建议

  • 布局:将 VIN、VOUT 与负载走线尽量短并加宽,减小寄生阻抗与电压降;控制引脚与 MCU 的连接应靠近,减少噪声耦合。
  • 保护:尽管器件集成多种保护,针对感性负载仍建议并联快速续流二极管或 RC 抑制网络,以降低反向尖峰。
  • 去耦:在 VIN 处靠近器件布置低 ESR 电容,抑制瞬态电压和提升稳定性。必要时在输入端增加 TVS 以应对瞬态冲击。
  • 启动与复位:内部保护对过流或过热事件会自动响应,具体的触发阈值与复位行为请参考官方数据手册以确定系统响应策略。
  • 测试:在预期工作温度与最大输入电压下进行热测与长时间老化测试,验证保护动作与热稳定性。

六、总结

ITS4141N 是一款面向 12–45V 供电域的高侧单通道功率开关,集成多种实用保护功能并采用 SOT-223-4 封装,适合汽车与工业等需可靠负载开关控制的场景。在实际应用中注意热设计、去耦与感性负载抑制可最大化器件性能与寿命。欲获取完整电气特性、时序与典型应用电路,请参考 Infineon 官方数据手册。

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