WMSIC Electronic Components

MICRONE ME8604AS7G

ModelME8604AS7G
PackageSOP-7
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 ME8604AS7G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME8604AS7G
Electronic Component
1
Package
SOP-7
Electronic Component
AC-DC Controllers and Regulators
Electronic Component
0.17g
Electronic Component
1
Features
(OTP); (SCP); (UVP); (OCP)
Electronic Component
BM0230857617
Electronic Component
CCM;DCM
Operating Temperature
40℃~+85℃
Switching Frequency
70kHz
Isolation
Non-isolated
Transistor Voltage Rating
650V
Power Dissipation(Pd)
1.45W

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

ME8604AS7G 产品概述

一、产品简介

ME8604AS7G 为南京微盟(MICRONE)推出的一款高压 AC‑DC 控制器与稳压器,封装为 SOP‑7。器件集成高压开关晶体管(耐压 650V),用于离线开关电源前端控制,适合对体积、成本有要求的消费、照明与工业类电源设计。工作温度范围为 -40℃ 到 +85℃,适应常见工业与民用环境。

二、主要规格与特性

  • 是否隔离:非隔离(设计中应根据系统安全需求评估隔离策略)
  • 开关频率:典型 70kHz,兼顾变压器/电感体积与开关损耗
  • 器件耗散功率 Pd:1.45W(封装与散热设计需保证在此限值内运行)
  • 集成晶体管耐压:650V,支持直接连接市电高压侧开关设计
  • 拓扑结构:支持降压、升压、降压—升压等常见拓扑,特殊场合可用于反激式电路(使用时注意系统隔离与安全规范)
  • 保护功能:过热保护(OTP)、短路保护(SCP)、欠压保护(UVP)、过流保护(OCP)

三、适用拓扑与典型应用

ME8604AS7G 可用于非隔离降压、升压及降压—升压(buck/boost)电路,适配以下场景:

  • 小功率离线适配器与模块电源
  • LED 驱动与照明控制(不要求隔离或采用外部隔离方案时)
  • 工业传感与仪表的小功率供电
    在需要安全隔离的应用(如人机接触的输出端),应结合外加隔离模块或选用隔离型控制器。

四、热与功耗设计要点

器件 Pd=1.45W 表明在运行中产生的内部损耗需通过 PCB 及散热设计有效导出。SOP‑7 封装热阻相对较大,建议:

  • 在 PCB 布局中为器件引脚及底部铺铜,增加散热通道与过孔打通多层铜层散热
  • 控制开关频率与电感、电容选择以降低开关损耗与纹波
  • 在高环境温度或高负载工况下验证器件结温,确保不会触发过热保护影响可靠性

五、保护机制与可靠性设计

ME8604AS7G 集成 OTP、SCP、UVP、OCP 等保护,对系统安全运行提供多重保障。设计时应配合外部限流、熔断与滤波措施:

  • 过流/短路保护可减少故障时器件与负载损伤
  • 欠压保护用于检测输入或输出异常,避免输出失稳
  • 过热保护提示需优化散热或降低负载以延长寿命

六、实用设计建议

  • 输入端做好 EMI 滤波与共模抑制,开关频率 70kHz 在 EMI 设计上有利于元件体积与成本平衡,但仍需关注传导/辐射干扰
  • 开关结点(SW)走线尽量短,旁路与回流路径布线紧凑,减小寄生感抗
  • 电流检测与补偿网络应根据所选拓扑和负载特性调整,确保环路稳定
  • 在需要隔离的应用场景,评估是否采用外部变压器或隔离模块,并按安全规范设计保守的爬电距与间隙

七、封装与选型参考

ME8604AS7G 采用 SOP‑7 小型封装,适合空间受限的 PCB 布局。选型时结合最大输出功率、环境温度、散热能力与是否需要隔离等系统级需求进行评估。针对不同应用,可参考厂商的参考电路与评估板进行快速验证与调试。

总结:ME8604AS7G 是一款面向离线小功率电源的高压控制器,集成 650V 开关晶体管、丰富的保护功能与适中的开关频率,适合追求成本与体积优化的非隔离或经外部隔离处理的电源系统。在实际应用中,应重点关注热设计、EMI 抑制与系统隔离要求,以确保稳定与安全运行。

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