WMSIC Electronic Components

Infineon BTS4142N

ModelBTS4142N
PackageSOT-223
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+

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Technical data

Product details

20 specifications

Core information

Product name
Infineon BTS4142N
Type
INFINEON
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BTS4142N
Electronic Component
1
Package
SOT-223
Type
Switch
Electronic Component
Power Electronic Switch
Electronic Component
0.194g
Electronic Component
1
Channel Count
1
Features
Voltage; Load
Electronic Component
BM0058432715
Resistor
200mΩ
Operating Temperature
40℃~+125℃
Operating Voltage
12V~45V

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

英飞凌BTS4142N 高侧功率开关产品概述

BTS4142N是英飞凌(Infineon)推出的单通道高侧功率开关,专为汽车电子及工业低压电源管理场景设计,具备宽电压范围、集成多重保护及低导通损耗等核心优势,符合汽车级可靠性要求。

一、产品核心定位与类别

作为单通道高侧开关,BTS4142N采用高电平有效控制逻辑,通过电源端(高侧)直接驱动负载,无需额外低侧开关配合,简化电路设计。其参数覆盖汽车12V系统(含瞬态电压波动)及工业低压直流场景,是小功率负载独立驱动的优选器件。

二、关键电气参数详解

BTS4142N的电气参数针对实际应用场景优化,核心指标如下:

  • 通道数:1通道,支持单负载独立控制,避免多通道串扰;
  • 输入控制:高电平有效(典型触发电压≥2.5V),兼容3.3V/5V MCU数字输出;
  • 电流能力:最大连续输出电流1.4A(25℃时),峰值电流可达3A(短时间脉冲),满足小功率电机、继电器线圈等负载需求;
  • 电压范围:工作电压12V~45V,覆盖汽车12V系统正常电压及瞬态过压(如负载突降波动),兼容工业12V/24V系统;
  • 导通电阻:典型值200mΩ(25℃),低导通电阻显著降低功率损耗(P=I²R),减少散热需求;
  • 温度范围:-40℃~+125℃,符合AEC-Q101汽车级标准,适应极端环境温度。

三、集成多重保护功能

BTS4142N内置4类核心保护,无需额外外围电路即可提升系统可靠性:

  1. 过热保护(OTP):结温超150℃时自动关断,降至130℃左右自动恢复,防止器件烧毁;
  2. 过压保护(OVP):电源电压超45V时触发保护,关断输出并锁定(或自动重启),避免负载损坏;
  3. 短路保护(SCP):输出短路时先限电流至3A,持续10ms后关断;短路排除后自动重启,保护电源;
  4. 欠压保护(UVP):电源电压低于9V时关断输出,防止负载异常工作(如LED闪烁、电机堵转)。

四、封装与物理特性

BTS4142N采用SOT-223表面贴装封装,引脚数为3(或4,依版本),尺寸紧凑(约6.5×3.5×1.1mm),适合高密度PCB设计。该封装散热性能优于SOT-23,配合PCB输出引脚处的散热焊盘,可有效散发热量,满足1.4A连续电流的散热需求。

五、典型应用场景

结合参数与保护特性,BTS4142N的典型应用包括:

  • 汽车电子:车身控制模块(BCM)中小负载驱动(如LED尾灯、转向信号灯、小型继电器线圈);
  • 工业控制:低压直流系统负载开关(如传感器供电、小型执行器驱动、PLC辅助输出);
  • 通信设备:辅助电源负载控制(如散热风扇启停、指示灯驱动、小型电源模块开关)。

六、产品优势总结

BTS4142N的核心优势在于高集成度与可靠性:集成多重保护无需外围元件,简化电路设计;汽车级温度/电压范围适应极端场景;低导通电阻降低功耗。作为单通道高侧开关,其性价比突出,是汽车电子及工业低压负载驱动的实用选择。

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