WMSIC Electronic Components

MSKSEMI MSMP1470BGJ-Z MSMP1470BGJ

ModelMSMP1470BGJ-Z
PackageSOT-23-6
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 25+

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Technical data

Product details

19 specifications

Core information

Product name
MSKSEMI MSMP1470BGJ-Z
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
MSMP1470BGJ-Z
Electronic Component
1
Package
SOT-23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.043g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0264577159
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
3.5V~18V
Switching Frequency
600kHz
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.

MSMP1470BGJ-Z 同步降压电源芯片产品概述

一、核心拓扑与功能定位

MSMP1470BGJ-Z是一款同步整流降压型电源管理芯片,采用经典BUCK(降压)拓扑结构,内置功率开关管,无需外置续流二极管及主开关管,既简化电路设计,又通过同步整流技术提升转换效率。其核心功能是将较高输入电压稳定转换为更低的输出电压,适配中小功率负载的供电需求,尤其适合对体积、功耗敏感的场景。

二、关键电气参数详解

1. 输入输出特性

  • 输入电压范围:3.5V~18V,覆盖单节锂电池(3.7V/4.2V)、5V USB电源、12V适配器及18V工业电源,无需额外设计多组输入适配电路;
  • 输出电流:最大2A,可满足多数中小功率负载(如MCU、无线模块、传感器等)的供电需求;
  • 输出可调:通过调整反馈电阻即可设定输出电压(通常覆盖1.2V~15V,具体需结合输入电压限制),灵活适配不同负载的电压需求。

2. 效率与功耗

  • 开关频率:固定600kHz,处于“高频平衡区间”——既避免低频带来的大体积电感/电容,又降低高频EMI干扰风险,适合紧凑PCB布局;
  • 静态电流:典型值400uA,待机功耗极低,尤其适合电池供电设备(如智能穿戴),可有效延长待机时长;
  • 同步整流:内置同步整流管,替代传统异步BUCK的续流二极管,消除二极管压降损耗,满载效率可达90%以上,减少芯片发热。

3. 温度适应性

工作结温范围**-40℃~+125℃**,符合工业级温度标准,可适应车载低温启动、户外高温环境等恶劣工况。

三、封装与品牌背景

1. 封装形式

采用SOT-23-6小封装(尺寸约2.9mm×1.6mm×1.1mm),贴片式设计,节省PCB空间,适合便携设备、小型模块的高密度布局。

2. 品牌背书

由国内电源芯片厂商MSKSEMI(美森科) 研发生产,该品牌专注功率管理芯片领域,产品覆盖消费电子、工业控制、车载等场景,可靠性经市场验证。

四、核心优势特点

  1. 集成度高:内置主开关管及同步整流管,仅需少量外围元件(电感、电容、电阻)即可构成完整降压电路,降低BOM成本及设计复杂度;
  2. 效率突出:同步整流技术消除续流二极管损耗,满载效率超90%,减少系统发热,提升长期稳定性;
  3. 低功耗待机:400uA静态电流远低于同类型芯片,电池供电设备待机时芯片自身消耗极小,延长产品待机时间;
  4. 宽温可靠:-40℃~+125℃结温范围,适配工业、车载等恶劣环境;
  5. 灵活适配:可调输出电压,可快速切换不同负载的供电需求(如1.8V MCU、3.3V传感器)。

五、典型应用场景

  1. 便携电子:智能手环、蓝牙耳机、移动电源(升压后降压适配内部负载)、便携式检测仪;
  2. 车载电子:行车记录仪、车载USB充电器、胎压监测传感器;
  3. 工业控制:小型PLC、传感器节点、工业物联网网关;
  4. 智能家居:智能插座、智能门锁、温湿度/气体传感器。

六、总结

MSMP1470BGJ-Z凭借宽输入电压、2A输出能力、高效同步整流、小封装及宽温特性,成为中小功率降压场景的高性价比选择,尤其适合对体积、功耗、可靠性有要求的便携、工业及车载应用。

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