WMSIC Electronic Components

MICRONE ME2199ASG

ModelME2199ASG
PackageSOP-8
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME2199ASG
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME2199ASG
Electronic Component
1
Package
SOP-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.204g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0227695480
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
2.7V~25V
Switching Frequency
1MHz
Electronic Component
Electronic Component
Output Current
2A

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

ME2199ASG 产品概述

一、产品简介

ME2199ASG 是 MICRONE(南京微盟)推出的一款升压型 DC-DC 控制芯片,工作电压范围宽(2.7V~25V),开关频率固定在 1MHz,设计用于驱动外置开关管的非同步升压拓扑。芯片静态电流仅 60µA,环境工作温度为 -40℃~+85℃,封装为 SOP-8,输出为可调,最高输出电流可支持到外部器件限制下的 2A 级别(受外置 MOSFET、散热和外部元件限制)。

二、主要特性

  • 升压型拓扑,输入电压 2.7V~25V,适应多种电源场合;
  • 固定开关频率 1MHz,有利于降低器件体积与外部被动元件尺寸;
  • 适配外置功率 MOSFET,便于根据功率需求选型优化效率与热耗;
  • 非同步整流(需外接肖特基/快恢复二极管);
  • 低静态电流(Iq≈60µA),适合电池供电与低功耗应用;
  • 单通道输出、可调输出电压,封装 SOP-8,便于通用 PCB 布局与散热拓展。

三、典型应用场景

  • 手持便携设备的升压供电;
  • 工业控制与通信设备的辅助电源;
  • 单节或多节电池提升电压驱动显示、传感器或驱动电路;
  • LED 驱动(需考虑恒流方案与热管理);
  • 需要紧凑尺寸与较高开关频率的电源模块。

四、外部器件选型与设计要点

  1. 外置开关管(MOSFET)

    • 建议选用耐压≥(Vout 最大)+margin 的 N 沟 MOSFET(常用 30V~40V 规格),低 Rds(on) 与低门极电荷可降低开关与导通损耗;
    • 驱动能力需与芯片门极驱动电平匹配,注意栅极驱动电压范围。
  2. 整流二极管

    • 由于为非同步方案,需外接肖特基或快恢复二极管,选型电压大于最大输出电压、平均电流 ≥ 输出电流,低正向压降可提升效率。
  3. 电感与滤波电容

    • 1MHz 高频下电感可选值通常在 0.47µH~4.7µH 范围,电感饱和电流需高于最大峰值(含纹波裕量);
    • 输入/输出电容宜选用低 ESR 的陶瓷电容,多层并联以降低纹波与稳定控制环路;输出大容量有利于降低输出纹波与瞬态响应。
  4. PCB 布局与散热

    • 高频开关节点走线尽量短宽、靠近器件,输入电容靠近芯片电源引脚,输出电容靠近二极管与 MOSFET;
    • SOP-8 封装需留足铜箔散热面积和必要的热过孔,外部铜皮并联散热,提高持续大电流下的可靠性。
  5. 稳定性与保护

    • 关注环路补偿与输出电容对稳定性的影响;
    • 建议实现过流保护、过温保护与软启动(如芯片或外围电路支持),提高系统可靠性。

五、封装与可靠性

SOP-8 通用封装,便于手工焊接与批量生产。芯片在 -40℃~+85℃ 环境下工作,适合工业级温度范围。实际应用时需结合 PCB 散热设计与器件 derating 评估长期可靠性。

总结:ME2199ASG 提供了宽输入电压、1MHz 高频升压控制能力与低静态电流的组合,适合需要紧凑布局与外置功率件优化的升压电源设计。合理选择外置 MOSFET、整流二极管、电感与电容,并做好 PCB 布局与热管理,可在多种工业与消费类应用中实现高效、稳定的升压供电。

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