WMSIC Electronic Components

Infineon BTS436L2G

ModelBTS436L2G
PackageTO-263-4
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

19 specifications

Core information

Product name
Infineon BTS436L2G
Type
INFINEON
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BTS436L2G
Electronic Component
1
Package
TO-263-4
Type
Switch
Electronic Component
Power Electronic Switch
Electronic Component
1.64g
Electronic Component
1
Channel Count
1
Features
Integrated Charge Pump; Voltage; Load
Electronic Component
BM0229304780
Resistor
38mΩ
Operating Temperature
40℃~+150℃
Operating Voltage
4.7V~41V
Current
9.8A

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

BTS436L2G 产品概述

一、产品简介

BTS436L2G 是英飞凌(Infineon)推出的一款单通道高侧电源开关(High‑Side Switch),针对车规及工业电源管理需求设计。器件集成了驱动与保护功能,可直接由逻辑电平控制负载通断,适用于驱动电机、继电器、灯组及各类感性/容性负载的开关控制。典型标称工作电压范围为 4.7V 至 41V,最大连续电流可达 9.8A,适合中高电流负载应用。

二、主要特性

  • 过热保护(OTP):在器件温度过高时触发保护以防止热失效。
  • 过压保护(OVP):监测并在输入侧过压时保护负载与器件。
  • 短路保护(SCP):短路或异常大电流时限流或切断输出,保护系统安全。
  • 工作温度范围:-40℃ 至 +150℃,满足苛刻环境下的可靠性要求。
  • 最大连续电流:9.8A(典型应用下的连续额定值)。
  • 导通电阻(RDS(on)):约 38 mΩ,低导通损耗有利于提高效率并降低发热。
  • 输入控制逻辑:高电平有效,兼容 MCU/ECU 的数字控制信号。
  • 类型:单通道高侧开关(1 通道)。

三、电气与环境参数

  • 工作电压:4.7V ~ 41V,覆盖典型汽车 12V/24V 与工业供电系统。
  • 导通损耗与热管理:38 mΩ 的导通电阻在 9.8A 工作点下仍会产生一定功耗(P = I^2·R),需要合理的 PCB 散热设计。
  • 环境适应性:-40℃~+150℃ 工作温度使其适用于高温车载舱与工业环境。

四、封装与散热

BTS436L2G 提供 TO‑263(D2PAK)表面贴装封装(标注为 TO‑263‑4),适合大电流散热与自动化贴装。封装含散热引脚与散热面,推荐在 PCB 上配备大面积铜箔散热区域并结合热沉或多层板过孔以降低结壳热阻,保证长期可靠工作。焊盘设计应按照厂商推荐尺寸以获得最佳热性能。

五、典型应用场景

  • 汽车电子:车灯、加热器、风扇、继电器替代驱动等车载负载控制。
  • 工业控制:24V 继电器/电磁阀、步进/直流电机驱动保护。
  • 能源设备:电池管理、逆变器周边开关保护。
  • 消费与楼宇自动化:大功率 LED 驱动及开关控制场合。

六、使用建议与注意事项

  • 输入逻辑:控制端为高电平有效,可直接驱动自 MCU/ECU,必要时加缓冲/滤波电路以抑制干扰。
  • 退耦与瞬态抑制:在电源输入端靠近器件放置低 ESR 电解/陶瓷电容;对感性负载建议并联瞬态抑制二极管或 RC 吸收器以抑制反向尖峰。
  • 散热设计:在高电流或高占空比应用中,扩大铜箔面积并使用过孔导通到内层/底层散热层;留意结温限制以避免 OTP 触发。
  • 负载特性:对于强感性或短时冲击电流负载,应评估器件的短时峰值承受能力与保护动作行为,必要时加入限流或缓启动电路。
  • EMC/测量:控制与感测线应避免与高电流回路并行布线,采用合理布局以降低噪声耦合并保证可靠的保护动作检测。

总结:BTS436L2G 为一款集成度高、保护完善的单通道高侧电源开关,适合需在 4.7V–41V 范围内控制中等至较大电流负载的车规与工业应用。合理的 PCB 散热与过渡抑制设计能够充分发挥其低导通电阻与多重保护特性,提升系统可靠性与安全性。

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