WMSIC Electronic Components

MICRONE ME8125AS6G

ModelME8125AS6G
PackageSOP-6-150mil
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 ME8125AS6G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME8125AS6G
Electronic Component
1
Package
SOP-6-150mil
Electronic Component
AC-DC Controllers and Regulators
Electronic Component
0.2g
Electronic Component
1
Features
(OVP);;;;; (OTP); (SCP); (UVP); (OCP)
Electronic Component
Electronic Component
Electronic Component
BM0227598291
Electronic Component
PWM
Operating Temperature
0℃~+100℃
Operating Voltage
4.2V~9.5V
Switching Frequency
52kHz~66kHz
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.

ME8125AS6G 产品概述

ME8125AS6G 是南京微盟(MICRONE)推出的一款高集成度隔离式 AC-DC 反激式开关控制器,专为小功率离线电源设计。器件采用 SOP-6-150mil 封装,内含高压初级侧开关晶体管驱动能力,集成多重保护功能,适合适配器、充电器、电视待机电源等多种消费类与工业类应用。

一、主要特性

  • 拓扑:反激式(Flyback),支持隔离式输出结构。
  • 开关频率:典型 52kHz ~ 66kHz,适中频率有利于效率与电磁兼容之间的平衡。
  • 最大占空比:57%,支持较宽的输入电压范围及输出功率控制。
  • 晶体管耐压:700V,适合直接连接到离线高压总线上。
  • 工作电压(VCC):4.2V ~ 9.5V,支持常见启动与稳态供电方案。
  • 耗散功率 Pd:1000mW,需在热设计中考虑功耗散热。
  • 封装:SOP-6-150mil,利于手工及自动贴装。

二、保护功能

器件内建齐全的保护机制,提高系统可靠性:

  • 过热保护(OTP)
  • 短路保护(SCP)
  • 欠压保护(UVP)
  • 过压保护(OVP)
  • 过流保护(OCP)
    这些保护可在异常工况下自动限制或关闭开关,有助于防止器件及负载损坏。

三、典型应用场景

  • 手机/平板充电器、小型电源适配器
  • 机顶盒、电视的待机/辅助电源
  • 小功率工业控制电源、消费电子外围电源模块

四、设计与注意事项

  • 热设计:Pd=1W,结合封装热阻需预留散热路径与铜箔面积,避免长期高温运行;工作温度范围 0℃~+100℃。
  • 初始启动与VCC稳压:设计合适的启动电阻或充电电路,在 VCC 落入 4.2~9.5V 范围内稳定供电,避免误触发 UVP/OVP。
  • 开关参数:根据 52~66kHz 工作频率选择变压器匝比与磁芯,注意最大占空比 57% 限制。
  • 保护配合:对输出侧短路或过流情况,配合旁路/限流电路与漏磁检测,确保 SCP 与 OCP 动作稳定。
  • EMI 与滤波:反激拓扑需合理设计输入滤波与缓冲网络,配合 RCD 或吸收电路抑制开关尖峰。

五、封装与可靠性

SOP-6-150mil 封装便于中小批量生产与维修,器件额定工作温度 0℃~+100℃,适合室温与轻工业环境。建议在 PCB 布局时为电源引脚与散热焊盘留足面积,并远离热源与高噪声节点。

六、优势与选型建议

ME8125AS6G 集成度高、保护功能完善,适合要求成本与可靠性平衡的小功率离线电源方案。选型时应关注输出功率需求、器件耗散与环境温度,若应对更高温度或更大功率,可考虑增加外部散热或选择更高功耗等级的替代器件。总体而言,本器件适合对安全保护与版面成本有较高要求的消费类电源设计。

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