WMSIC Electronic Components

MICRONE ME2188A22M3G

ModelME2188A22M3G
PackageSOT23-3
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 Option 139122

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME2188A22M3G
Type
MICRONE
Minimum package
3000

Technical parameters

Electronic Component
MICRONE
Electronic Component
ME2188A22M3G
Electronic Component
1
Package
SOT23-3
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.038g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265850986
Operating Temperature
40℃~+125℃
Operating Voltage
900mV~5V
Switching Frequency
320kHz
Electronic Component
Electronic Component
Output Voltage
2.2V
Output Current
300mA

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

ME2188A22M3G 升压型DC-DC电源芯片产品概述

一、产品核心定位与目标应用

ME2188A22M3G是南京微盟(MICRONE)针对低电压电池供电的便携/低功耗设备推出的升压型DC-DC电源芯片,核心解决“超低压输入兼容+超低待机功耗+迷你封装适配”三大痛点,广泛应用于:

  • 智能穿戴:智能手环、手表的纽扣电池供电升压(适配CR2032全放电周期);
  • 音频设备:蓝牙耳机、TWS耳机的低功耗升压模块;
  • 传感器节点:工业/户外温湿度、运动传感器的电源转换;
  • 小型医疗:电子体温计、血糖监测仪的电池供电适配;
  • IoT终端:低功耗物联网节点的PMU辅助升压。

二、关键性能参数深度解析

1. 输入输出宽适配性

  • 输入范围:900mV~5V,覆盖纽扣电池(CR2032初始3V、末期900mV仍稳定)、小型锂电池(3.7V标称),避免电池剩余容量浪费;
  • 输出特性:固定2.2V输出,最大300mA电流,满足多数低功耗MCU(如STM32L系列)、传感器(如BH1750)的供电需求。

2. 低功耗设计优势

  • 静态电流(Iq)7uA:轻载/待机时芯片自身功耗极低,以CR2032(220mAh)为例,理论待机时间超3万小时(约1300天);
  • 同步整流技术:内置同步整流管替代续流二极管,降低导通损耗,轻载效率≥85%、满载效率≥90%,减少设备发热。

3. 可靠性与高频设计

  • 开关频率320kHz:处于EMI低干扰频段,无需复杂滤波即可满足电磁兼容要求;
  • 宽温范围:-40℃~+125℃,覆盖工业级、汽车周边极端环境(如户外传感器冬夏稳定运行);
  • 内置开关管:无需外置功率管,简化BOM成本,适配迷你封装。

三、封装与应用便利性

1. 迷你封装设计

采用SOT23-3封装(2.9mm×1.6mm×1.1mm),仅3引脚(VIN/1、GND/2、VOUT/3),焊接简单,适配高密度PCB布局(如TWS耳机内部空间)。

2. 外围电路极简

典型应用仅需4个元件,无需额外续流二极管:

  • 输入电容:1μF陶瓷电容(VIN-GND);
  • 输出电容:10μF陶瓷电容(VOUT-GND);
  • 功率电感:10μH(VIN-VOUT)。

四、可靠性与环保认证

ME2188A22M3G经过多项可靠性测试:

  • 温度循环(-40℃~+125℃,1000次);
  • 湿度测试(85℃/85%RH,1000小时);
  • ESD防护(人体模式±2kV、接触放电±4kV);
  • 符合RoHS环保标准,无铅无卤。

五、总结

ME2188A22M3G以“超低压输入、超低待机功耗、迷你封装”为核心,完美匹配低功耗便携设备需求,是智能穿戴、IoT终端、小型医疗设备的理想电源转换方案。其宽温可靠性与极简外围,也降低了设计与生产难度。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.