WMSIC Electronic Components

MPS MP8847GD-Z

ModelMP8847GD-Z
PackageQFN-14(2x3)
BrandMPS
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
MPS MP8847GD-Z
Type
MPS
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MPS
Electronic Component
MP8847GD-Z
Electronic Component
1
Package
QFN-14(2x3)
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.106g
Electronic Component
1
Features
Dynamic Voltage;; Output
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0211578321
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
2.7V~6V
Switching Frequency
850kHz~2.2MHz
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.

MP8847GD-Z 产品概述

MP8847GD-Z 是 Micro Power Systems(MPS)推出的一款高效率、6A 同步降压转换器,封装为 14 引脚 VFQFN(2 x 3 mm)。器件工作于 1.25MHz 固定开关频率,输入电压范围宽(2.7V–6V),可把输入电压稳定降到 0.6V–1.23V 的可编程输出,适合对电源体积、效率与数字化管理有较高要求的点载(point-of-load)应用。

一、主要特性

  • 输入电压:2.7V 至 6V
  • 输出电压:可调(0.6V 至 1.23V)且为正输出
  • 最大输出电流:6A 连续负载能力
  • 拓扑:降压(step-down)同步整流器
  • 开关频率:1.25MHz(固定)——有利于使用小型电感与电容,缩小 PCB 面积
  • 数字接口:集成 I2C 接口,支持通过总线编程输出电压与系统管理(具体寄存器与命令请参见器件数据手册)
  • 工作温度范围:-40°C 至 125°C(结温 TJ)
  • 安装形式:表面贴装(SMD)
  • 封装:14-VFQFN(供应商器件封装标注为 14-QFN 2x3mm)
  • 内部特性:集成同步 MOSFET,降低整流损耗,提高轻载与重载效率

二、优势与适用场景

  • 高功率密度:1.25MHz 的开关频率允许使用更小的被动元件,使方案更紧凑,适合空间受限的移动或嵌入式系统。
  • 高效率与低损耗:内置同步整流器在中高负载下显著降低导通损耗,适合 6A 连续供电需求的处理器/核心电源。
  • 数字化管理:通过 I2C 可动态调整输出、监测与序列控制,便于与 PMIC 或系统电源管理策略集成。
  • 宽输入电压:支持单节锂电池至 5V 系统,可用于便携设备、板载 5V → 1V 核心供电等场景。
    典型应用包括 SoC / CPU / FPGA / DSP 的点载供电、存储与通信模块的核心电压、便携设备与工业控制模块的降压电源。

三、典型电气参数(概要)

  • Vin(min) = 2.7V;Vin(max) = 6V
  • Vout 可编程范围:0.6V 至 1.23V
  • Iout 最大连续:6A
  • Fs = 1.25MHz(固定)
  • 同步整流:内置(无需外部整流二极管)
  • 工作结温:-40°C 至 125°C(TJ)

(注:更多详细参数如静态电流、效率曲线、开关峰值电压、电流限制与保护特性请参阅官方数据手册。)

四、设计与布局建议

  • 电感选择:选用额定电流 ≥6A、低 DCR 的功率电感,综合考虑磁饱和与散热;高开关频率允许选择体积更小的电感。
  • 电容配置:输入侧靠近器件放置低 ESR/ESL 的陶瓷电容以抑制开关噪声;输出侧使用多层陶瓷电容以保证瞬态响应与低纹波。
  • 热管理:尽量露出或焊接底部散热大地(thermal pad),并在 PCB 下层布置散热通道与较大铜箔以增强散热能力;高功率工作时注意结温控制。
  • 布局要点:开关节点(SW)线路尽量短且集中;输入电容与 MOSFET 节点之间的回流环路缩短;I2C 与敏感模拟节点隔离布线以减少干扰。
  • 保护与调试:在设计中预留测量点监控 Vout、Vin、SW 节点波形;参考厂方参考电路与布局示例以获得最佳性能。

五、可靠性与系统级集成

MP8847GD-Z 的工作温度范围覆盖工业级需求(-40°C 至 +125°C),适合对环境可靠性有要求的应用。器件通常集成常见保护功能(如过流、短路与过温保护),具体工作逻辑与阈值请参考数据手册。I2C 接口便于与系统电源管理控制器协同实现电压轨序列、故障上报与动态调节。

六、获取资料与订购

有关电气特性曲线、寄存器定义、典型参考电路、布局范例与寄生参数请下载 MP8847GD-Z 的官方数据手册(datasheet)与参考设计文件,或联系 MPS 官方销售与技术支持获取应用 note 与评估板信息。购买时注意核对封装规格(14-QFN,2x3mm)与放置格式以便于 PCB 设计与生产。

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