WMSIC Electronic Components

MICRONE ME2188A33XG

ModelME2188A33XG
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME2188A33XG
Type
MICRONE
Minimum package
3000

Technical parameters

Electronic Component
MICRONE
Electronic Component
ME2188A33XG
Electronic Component
1
Package
SOT-23
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.035g
Electronic Component
1
Features
Electronic Component
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0227605564
Operating Temperature
40℃~+125℃
Operating Voltage
900mV~5V
Switching Frequency
320kHz
Electronic Component
Electronic Component
Output Voltage
3.3V

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

ME2188A33XG — 升压型 DC-DC 电源芯片 产品概述

一、简介

ME2188A33XG 是南京微盟(MICRONE)推出的一款升压型 DC-DC 稳压芯片,采用 SOT-23 小封装,内置开关管并集成同步整流,专为低电压电源提升到稳定 3.3V 输出设计。器件工作电压范围宽(0.9V~5V),并能在 -40℃ 到 +125℃ 环境下可靠工作,适合电池供电及便携式终端应用。

二、主要参数

  • 功能类型:升压型(Boost)
  • 输入电压:0.9V ~ 5V
  • 输出电压:固定 3.3V
  • 输出电流:最高 300mA
  • 开关频率:320kHz
  • 静态电流 Iq:7.5μA(典型)
  • 同步整流:是(内置)
  • 开关管:内置
  • 通道数:1
  • 工作温度:-40℃ ~ +125℃
  • 封装:SOT-23

三、主要特性

  • 低静态电流(7.5μA),非常适合低功耗和待机要求高的电池供电系统。
  • 内置同步整流与开关晶体管,提高转换效率、降低功耗和结温。
  • 宽输入电压范围,可直接由单节碱性/锂电池或双节镍氢电池供电。
  • 固定 3.3V 输出,外部电阻网络简化,方便快速集成。

四、典型应用场景

  • 物联网节点、无线传感器、蓝牙/Zigbee 设备等低功耗无线终端
  • 可穿戴设备、手持仪器、便携式医疗器械
  • 电池供电的显示驱动、传感器供电或 MCU 备用电源

五、设计与使用要点

  • 外部元件:作为同步升压器,需配置合适的输入/输出电容和功率电感;注意输入电容靠近芯片放置以抑制纹波和保持稳定。
  • 电感选择:选取峰值电流余量足够、低 DCR 的功率电感,常用 μH 级量值,可兼顾效率与纹波。
  • 布局注意:SOT-23 封装热阻相对较高,布局中应保证散热通路,电源回路走线短且粗,减小寄生电感。
  • 热与保护:尽量考虑散热与过流保护措施;在高负载/高温下关注芯片结温,必要时采取降额设计。
  • 固定输出:器件为固定 3.3V 输出,若需其他电压等级请参考系列其它型号或外加升降压方案。

ME2188A33XG 以其低静态电流、内置同步开关和小封装优势,适合对尺寸、功耗和电池寿命有较高要求的升压供电场合。根据具体负载与环境条件,合理选型外部电感与电容,可获得较高的整体效率与稳定性。

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