WMSIC Electronic Components

MICRONE ME2188A30XG

ModelME2188A30XG
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME2188A30XG
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME2188A30XG
Electronic Component
1
Package
SOT-23
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.044g
Electronic Component
1
Features
Electronic Component
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0227651506
Operating Temperature
40℃~+125℃
Operating Voltage
900mV~5V
Switching Frequency
320kHz
Electronic Component
Electronic Component

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

ME2188A30XG 产品概述

一、主要特性

ME2188A30XG 是南京微盟(MICRONE)推出的一款升压型 DC-DC 转换芯片,采用 SOT-23 小封装,适合空间受限的便携式应用。核心参数包括:

  • 功能类型:升压型(Boost)
  • 输入电压范围:0.9V ~ 5V,支持低电压直接启动
  • 输出电压:固定 3.0V
  • 输出电流:最高 300mA
  • 开关频率:320kHz(典型)
  • 静态电流 Iq:约 7 μA,适合低功耗待机场景
  • 同步整流:内部同步开关(无需外置肖特基二极管)
  • 内置开关管,单通道升压拓扑
  • 工作温度:-40℃ ~ +125℃
  • 封装:SOT-23

二、优势与性能表现

ME2188A30XG 以低电压启动与低静态电流为突出优势,特别适合单节或两节电池供电(如干电池、纽扣电池、可充电电池)需要将低电压提升至稳定 3V 的场景。内部同步整流提高转换效率,尤其在中高负载下效率优势明显;7μA 的低静态电流则有利于延长电池待机寿命。

三、典型应用

  • 低功耗物联网节点、无线传感器
  • 便携式仪表、手持设备
  • 蓝牙/低功耗音频外围设备
  • 纽扣电池或单节电池驱动的小型消费电子
  • 任何需要从低电压源提升到稳定 3V 的场合

四、外部元件与选型建议

为获得可靠性能,推荐的外部元件选择与注意事项:

  • 电感:320kHz 下常用 4.7μH ~ 22μH 范围,选择饱和电流高于预计峰值电流的型号以避免饱和失效。
  • 输入/输出电容:推荐低 ESR 陶瓷电容(X5R/X7R),输入端 4.7μF~22μF,输出端 10μF~47μF,根据负载动态调整。
  • 散热与封装:SOT-23 封装限制了散热能力,若长时间接近 300mA 输出,请在 PCB 上扩展铜箔面积以改善热散。

五、PCB 布局与设计要点

  • 开关管与感性元件之间走线应尽量短,减少噪声环路面积,提高稳定性。
  • 输入电容靠近芯片电源引脚放置,输出电容靠近输出引脚放置,地线采用星形或短回流路径。
  • 使用同步整流可省略外置肖特基,但仍需关注开关节点(SW)走线和电磁兼容(EMC)处理。
  • 在高温或高负载工况下,注意评估热降额,必要时增加铜面积或散热结构。

ME2188A30XG 适合追求小体积、低功耗且要求稳定 3V 输出的便携式电源设计。结合合适的被动元件与良好 PCB 布局,可在宽输入范围内提供可靠、高效的升压输出。若需获得精确的典型效率曲线、详细引脚定义与应用参考电路,请参考芯片详细数据手册。

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