WMSIC Electronic Components

MSKSEMI MSY8089AAAC

ModelMSY8089AAAC
PackageSOT-23-5
BrandMSKSEMI
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
MSKSEMI MSY8089AAAC
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
MSY8089AAAC
Electronic Component
1
Package
SOT-23-5
Electronic Component
DC-DC Power Supply IC
Electronic Component
1g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0264464021
Operating Temperature
40℃~+85℃
Operating Voltage
2.6V~5.5V
Switching Frequency
1.6MHz~2.4MHz
Electronic Component
Electronic Component
Output Voltage
600mV~5.5V

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

MSY8089AAAC 降压型DC-DC转换器产品概述

一、产品定位与核心特性

MSY8089AAAC是美森科(MSKSEMI)针对空间受限、低功耗且需稳定大电流输出场景优化的同步降压型DC-DC转换器。核心定位为便携式设备、物联网终端等领域的电源管理核心器件,具备宽输入范围、高输出电流、低静态功耗等关键优势,同时采用超小型SOT-23-5封装,满足高密度集成需求。

二、关键电气参数解析

1. 宽输入电压范围

支持2.6V~5.5V输入,覆盖主流锂电池(3.7V典型值)、USB 5V供电等场景,无需额外转换即可适配常见电源,降低系统设计复杂度。

2. 高输出电流能力

最大输出电流达2A,可满足小型处理器、无线模块(蓝牙5.0/Wi-Fi 4)、传感器组等中等功率负载的单路供电需求,无需并联多器件即可实现稳定输出。

3. 高频开关特性

开关频率1.6MHz~2.4MHz,处于MHz级频段,带来两大优势:

  • 可选用小容量电感(如1μH级)和陶瓷电容(如10μF级),缩小电源电路PCB面积;
  • 开关噪声远离音频频段(20Hz~20kHz),减少对音频电路的干扰。

4. 低静态电流设计

静态电流(Iq)仅80μA,轻载/待机状态下仍保持极低功耗,适合长续航可穿戴设备、物联网节点等应用,有效延长电池工作时间。

5. 内置同步整流与开关管

采用内置同步整流拓扑,无需外接续流二极管,相比异步方案效率提升5%~10%(宽负载范围);同时内置高低侧开关管,减少外部元件数量,简化电路设计。

6. 可调输出电压

输出电压可通过外部电阻分压网络灵活调整(如1.8V、3.3V、5V等),适配不同负载需求,设计灵活性高。

三、封装与引脚配置

MSY8089AAAC采用SOT-23-5超小型封装,尺寸约2.9mm×1.6mm×1.1mm,体积仅为传统TO-92封装的1/10,适合对PCB空间要求严格的便携式设备。引脚功能清晰:

  • VIN(输入)、VOUT(输出)、GND(接地)、FB(反馈)、EN(使能),布局紧凑且易于焊接。

四、典型应用场景

  1. 可穿戴设备:智能手环、手表的核心处理器供电,兼顾小体积与长续航;
  2. 物联网终端:传感器节点、低功耗Wi-Fi模块供电,低Iq适合长期待机;
  3. 便携式电子:移动电源输出稳压、蓝牙耳机主供电,适配锂电池与USB输入;
  4. 小型家电控制板:智能插座、温控器的MCU供电,高频开关减少EMI干扰;
  5. 低电压车载电子:点烟器转5V后的二次稳压(适配输入范围)。

五、优势与适用价值

  1. 效率与功耗平衡:满载效率≥90%,轻载仍高效,延长电池寿命;
  2. 空间优化:封装+高频设计使电源电路体积缩小30%以上,适合高密度集成;
  3. 设计简化:内置关键元件,外部仅需少量电感、电容和电阻,降低BOM成本与设计难度;
  4. 可靠性提升:宽输入范围适配电源波动,内置过流/过温保护(典型配置),提高系统稳定性。

MSY8089AAAC通过紧凑设计与高效性能,成为便携式、物联网等领域电源管理的高性价比选择。

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