WMSIC Electronic Components

MICRONE ME2188A45M3G

ModelME2188A45M3G
PackageSOT-23
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 25+

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Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME2188A45M3G
Type
MICRONE
Minimum package
3000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME2188A45M3G
Electronic Component
1
Package
SOT-23
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.04g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0264499082
Operating Temperature
40℃~+125℃
Operating Voltage
900mV~5V
Switching Frequency
320kHz
Electronic Component
Electronic Component
Output Voltage
4.5V

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

ME2188A45M3G DC-DC升压电源芯片产品概述

ME2188A45M3G是南京微盟(MICRONE)针对低电压电池供电场景开发的一款升压型DC-DC电源芯片,以宽输入范围、低静态功耗、高转换效率为核心亮点,适配各类便携式、小功率电子设备的电源转换需求,兼具工业级可靠性与设计便捷性。

一、核心功能与拓扑设计

ME2188A45M3G采用升压式拓扑结构,内置同步整流管与开关管,单输出通道设计,开关频率固定为320kHz。这种拓扑与元件整合方案的优势在于:

  • 同步整流替代传统异步整流,大幅降低导通损耗,提升转换效率;
  • 内置开关管无需额外外置MOSFET,简化外围电路,降低BOM成本;
  • 320kHz中等开关频率平衡了电感/电容的体积与效率,适合小型化产品设计。

二、关键电气参数解析

1. 输入输出特性

  • 输入电压范围:900mV~5V,覆盖纽扣电池(如CR2032低电量状态)、AA/AAA干电池、低电压锂电池(如1.5V单节)等常见电源;
  • 输出电压:固定4.5V,满足多数MCU、传感器等负载的供电需求;
  • 最大输出电流:300mA,可驱动小功率负载(如蓝牙模块、低功耗摄像头等)。

2. 低功耗表现

静态电流(Iq)仅7.5μA,是同类产品中的低功耗水平——待机时几乎不消耗电池能量,显著延长电池续航时间,尤其适合长期待机的物联网终端、智能穿戴设备。

3. 宽温适应性

工作温度范围为**-40℃~+125℃**,达到工业级标准,可稳定工作于车载、户外监测、工业控制等极端温度场景,无需额外散热设计。

三、主要应用场景

ME2188A45M3G的特性使其在以下场景中表现突出:

  1. 便携式电子:智能手环、蓝牙耳机、小型运动相机等电池供电设备;
  2. 低功耗IoT终端:环境监测传感器(温湿度、光照)、智能门锁、无线遥控装置;
  3. 工业与车载:车载胎压监测模块、户外气象站、工业传感器节点;
  4. 应急与小型设备:纽扣电池供电的应急灯、电子体温计、小型医疗设备。

四、封装与可靠性

1. 封装信息

根据产品型号及微盟同类产品特性,推测封装为SOT-23-5(具体请以官方 datasheet 为准),体积小巧,适合高密度PCB设计。

2. 品牌与可靠性

南京微盟作为国内电源芯片领域的成熟厂商,ME2188系列经过多年市场验证,具备高一致性与可靠性,符合RoHS环保标准,支持批量生产应用。

五、设计优势总结

ME2188A45M3G的核心设计优势可概括为:

  • 宽输入适配:低至900mV的输入支持电池低电量持续工作;
  • 低功耗待机:7.5μA静态电流延长电池寿命;
  • 高效发热小:同步整流提升效率,减少系统发热;
  • 宽温可靠:工业级温度范围适应极端场景;
  • 设计简化:内置开关管与整流管,减少外围元件。

综上,ME2188A45M3G是一款高性价比的升压电源芯片,为电池供电、小体积、低功耗电子设备提供了稳定可靠的电源解决方案。

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