WMSIC Electronic Components

ADI/LINEAR MAX40200AUK+T MAX40200AUK

ModelMAX40200AUK+T
PackageSOT-23-5
BrandADI/LINEAR
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

15 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX40200AUK+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX40200AUK+T
Electronic Component
1
Package
SOT-23-5
Electronic Component
Ideal Diode / ORing Controller
Electronic Component
0.03g
Electronic Component
1
Features
Current
Electronic Component
BM0263412982
Electronic Component
Electronic Component
Electronic Component
2500

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

MAX40200AUK+T 产品概述

一、产品概览

MAX40200AUK+T(ADI/Linear)是一款用于电源二选一或冗余电源管理的OR控制器,设计用于驱动外置P沟道功率MOSFET以实现低损耗的“理想二极管”或电源ORing功能。器件采用5引脚SOT-23封装(T/R卷带包装),体积小、便于表面贴装,适合空间受限的便携式与工业系统。

二、主要功能与特性

  • 过温保护:内部集成温度监测与过温保护机制,在器件或外部MOSFET温度异常升高时限制驱动或自动停用以防止损坏。
  • 带使能(EN):独立的使能引脚支持电路级使能/禁用,便于系统在不同工作模式下控制电源路径。
  • 反向电流阻断:通过控制P沟道MOSFET栅极,实现当输出电压高于输入电压时阻断反向电流,避免电源回流或互扰。
  • 低损耗电源ORing:配合低Rds(on)的外部MOSFET,可实现接近理想二极管的低压降导通,提升系统效率并降低发热。
  • 小封装与低功耗:SOT-23-5封装适合紧凑板级设计,器件静态电流低,有利于电池供电系统的长待机寿命。

三、封装与典型引脚功能

MAX40200AUK+T采用SOT-23-5小型封装,典型引脚功能包括:

  • EN(使能):高/低电平控制器件使能状态。
  • GATE(栅极驱动):驱动外部P沟道MOSFET栅极以控制导通/关断。
  • IN/OUT(输入/输出):连接待管理的电源输入和输出节点,器件根据电压差控制MOSFET以实现ORing与反向阻断。
  • GND(地):参考地。
    (具体引脚排列与封装图请参阅官方数据手册以确保布局正确。)

四、典型应用场景

  • 电池与外部电源自动切换:智能手机、平板和可穿戴设备等在电池与充电器间无缝切换。
  • 冗余电源系统:服务器、通信设备中实现多个电源输入的无缝冗余备援。
  • 电源路径管理:电源分配与保护、电源共享与热管理场景。
  • 热插拔与系统可靠性设计:模块化设备或插拔式电源的安全供电控制。

五、设计与使用建议

  • 外部MOSFET选型:优先选择低Rds(on)、合适Vth且热阻小的P沟道功率MOSFET,以优化导通损耗与热性能。
  • PCB布局:将MOSFET与控制器靠近布置,缩短GATE驱动与电源回路的走线,增加散热铜箔以降低结温。
  • 去耦与滤波:在IN/OUT节点放置合适的去耦电容以抑制瞬态电压扰动,确保稳定的驱动与检测。
  • 使能与保护策略:合理配置EN逻辑与外部RC或TVS保护元件,防止上电毛刺或过压瞬态影响器件工作。
  • 热管理:注意系统整体功耗与散热,配合过温保护实现安全退让机制。

六、优势与采购信息

MAX40200AUK+T凭借ADI/Linear的设计可靠性,提供了一种体积小、功能完备的OR控制方案,适合对效率、可靠性与封装密度有较高要求的应用场景。型号后缀“T”通常表示卷带(Tape & Reel)包装,便于自动贴片生产。有关电气参数、典型应用电路与引脚图,请参考ADI/Linear官方数据手册以获得完整规格与布局建议。

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