WMSIC Electronic Components

MICRONE ME4084AM5G

ModelME4084AM5G
PackageSOT-23-5
BrandMICRONE
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME4084AM5G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME4084AM5G
Electronic Component
1
Package
SOT-23-5
Electronic Component
Battery Management
Electronic Component
0.052g
Electronic Component
1
Features
Programmable Current; Battery
Electronic Component
BM0229920319
Operating Temperature
40℃~+85℃
Operating Voltage
4.7V~6.5V
Battery Type
Battery
Battery
1
ICType
IC
Static Current(Iq)
2uA

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

ME4084AM5G 产品概述

一、概述

ME4084AM5G 是 MICRONE(南京微盟)面向单节锂离子/锂聚合物电池充电管理的专用充电芯片,采用 SOT-23-5 小封装,适用于空间受限的便携式电子产品。芯片工作电压范围宽(4.7V–6.5V),特别适配常见的 5V USB 电源,并支持电池温度检测,具备低静态电流特性,适合对待机功耗敏感的应用场景。

二、主要参数

  • 芯片类型:充电芯片(单节锂电池管理)
  • 工作电压:4.7V ~ 6.5V(推荐用于 5V 电源系统)
  • 最大充电电流:600mA
  • 充电饱和电压(终止电压):4.20V
  • 电池类型:单节锂离子/锂聚合物电池(1S)
  • 工作温度:-40℃ ~ +85℃
  • 电池温度检测:支持(NTC 接口或等效温度检测方案)
  • 静态电流(Iq):2µA(典型,适合低功耗场景)
  • 封装:SOT-23-5
  • 品牌:MICRONE(南京微盟)

三、核心功能与特性

  • 适配单节锂电:针对 1 节锂离子/锂聚合物电池的充电需求设计,采用恒流-恒压(CC/CV)充电方式以保证电池寿命与充电效率。
  • 5V 电源兼容:工作电压覆盖 4.7V–6.5V,能直接配合常见 USB 5V 电源或类似供电源。
  • 中等电流能力:最大充电电流 600mA,满足多数便携设备(蓝牙设备、小型电源、便携模块等)的充电需求。
  • 低静态电流:芯片静态电流仅 2µA,有助于降低系统待机能耗与电池自放电影响。
  • 温度保护:支持电池温度检测接口,方便实现充电在过冷或过热条件下的禁止/恢复,提高充电安全性。
  • 小封装:SOT-23-5 封装利于板面积受限设计,适合体积敏感的终端产品。

四、典型应用

  • 便携式蓝牙产品(耳机、音箱、遥控器)
  • 小型可穿戴设备与传感器节点(低功耗 IoT)
  • 移动电源与便携电源管理模块(小容量)
  • 便携式测量仪器、手持设备与电池供电模块
  • 需要单节锂电充电管理且板空间受限的消费类电子产品

五、参考外部设计要点

  • 电源输入去耦:在 VIN 与地之间放置适当的陶瓷电容,抑制输入纹波与瞬态,保证稳定充电。
  • 充电电流设定:通过外部电阻或内部设定(视具体数据手册)确定最大充电电流,若外设使用电阻,请按功率需求选型并考虑 PCB 走线。
  • 温度检测:接入电池温度检测元件(通常为 NTC 热敏电阻)到芯片的温度检测引脚,以实现充电使能/禁止判定。
  • 充电指示:可通过 STAT 引脚驱动 LED 或 MCU 读取状态,指示充电/充满/故障等(若芯片提供)。
  • 散热与布局:虽然 SOT-23-5 封装散热受限,但在常见 600mA 充电工况下需关注 PCB 铜箔面积与热路径,避免长期高温运行影响寿命。
  • 安全与冗余:电路设计应配合外部保护元件(如熔断器、电流检测、反接保护)构成完整的电源与电池保护体系。

六、优势与注意事项

  • 优势:兼顾 5V 供电兼容性、低静态电流与温度检测功能,适合对待机功耗和体积有要求的单节锂电应用。SOT-23-5 小封装便于在空间受限场合使用。
  • 注意事项:在选型与设计前建议参阅 ME4084AM5G 的完整数据手册,确认引脚功能、充电曲线、热限、保护机制、推荐外部元件与典型应用电路,以确保满足目标系统的安全与性能要求。

如需,我可以基于目标应用(如具体的电池容量、供电来源与板级限制)给出更详细的典型电路、外部元件值建议与布局要点。

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