WMSIC Electronic Components

MPS MP4583GQVE-Z

ModelMP4583GQVE-Z
PackageQFN-19(3x5)
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MPS MP4583GQVE-Z
Type
MPS
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MPS
Electronic Component
MP4583GQVE-Z
Electronic Component
1
Package
QFN-19(3x5)
Electronic Component
DC-DC Power Supply IC
Electronic Component
1g
Electronic Component
1
Features
Built-in LDORegulator; Frequency Synchronous;;; Output
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0264384027
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
4.5V~100V
Switching Frequency
400kHz
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.

MP4583GQVE-Z 产品概述

一、产品简介

MP4583GQVE-Z 是 MPS(Monolithic Power Systems)推出的一款高压降压型开关稳压器,属于可调输出同步降压拓扑。器件输入电压范围宽(4.5V–100V),输出电压可调(0.8V–35V),最大输出电流可达 3A,内部集成开关管和驱动,适用于工业、汽车及高压点位的 DC-DC 降压转换场合。

二、主要特点

  • 宽输入电压:4.5V 到 100V,支持高压总线直接降压。
  • 可调输出:0.8V 至 35V,可覆盖多数点位电压需求。
  • 高输出能力:最大持续输出电流 3A。
  • 开关频率:固定 400kHz,兼顾效率与外设体积。
  • 低静态电流:Iq = 8 µA,适合轻载及低功耗待机应用。
  • 同步整流:内置同步 MOSFET,提升转换效率。
  • 轻载高效模式:在轻负载时自动进入高效运行,降低损耗。
  • 频率同步:支持外部时钟同步,便于 EMI 管理与系统同步。
  • 多重保护:逐波限流、过流保护、打嗝限流、输出放电等保护功能。
  • 额外功能:内置 LDO 稳压器与工作状态指示(Power Good 类似功能)。
  • 封装:QFN-19 (3x5 mm),便于紧凑布局与散热处理。

三、电气与环境参数概览

  • 输入电压:4.5V–100V
  • 输出电压:0.8V–35V(可调)
  • 输出电流:最高 3A
  • 开关频率:400kHz
  • 工作温度:-40℃ 至 +125℃(结温 TJ)
  • 静态电流:8 µA(低功耗)
  • 同步整流与内部开关管,简化外部元件选择

四、功能与保护说明

MP4583GQVE-Z 集成了多种实用功能以提高系统可靠性与易用性:

  • 逐波限流(Cycle-by-cycle current limit)快速响应短路或过载事件,保护器件与外部器件;
  • 打嗝限流(Hiccup)在持续过流情况下周期性重试,避免热耗散过高并降低平均电流;
  • 输出放电功能可在关断时快速拉低输出,缩短系统复位时间;
  • 工作状态指示便于系统上层判断电源就绪或故障状态;
  • 内置 LDO 为内部逻辑或外部低压域提供稳压,简化供电架构。

五、封装与热考虑

器件采用 19 引脚 QFN(3 x 5 mm)封装,外形小巧,适合空间受限的应用。设计时建议:

  • 在 PCB 布局中为暴露散热焊盘预留足够铜箔并通过多层过孔接地,以提升散热能力;
  • 采用低 DCR 的电感和低 ESR 的输出电容(如 X7R 陶瓷)以降低功耗与输出纹波;
  • 合理布置输入滤波电容和开关回路,最小化高电流回路的回路面积,降低 EMI。

六、典型应用场景

  • 工业设备与楼宇自动化的高压总线降压点供电;
  • 汽车电子的车载高压域降压(需结合车规认证评估);
  • 分布式电源管理、通信设备、点位电源、仪表与控制模块;
  • 需要宽输入、低静态电流与良好轻载效率的便携或待机产品。

七、设计与使用建议

  • 根据输出电流选择合适电感件及其饱和电流余量;
  • 输出滤波优先使用多层陶瓷电容并配合必要的阻尼或薄膜电容以改善环路稳定性;
  • 若系统对 EMI 敏感,可利用器件的频率同步功能将切换噪声固定到特定频率,便于屏蔽与滤波设计;
  • 在高输入电压工况下,注意器件功耗与热耗散,必要时通过板级散热或降额工作以保证可靠性。

八、总结

MP4583GQVE-Z 提供了宽输入、高集成度、低待机功耗与多种保护功能的单通道降压解决方案。其内置同步整流、轻载高效模式和频率同步特性使其在高压降压和分布式点位供电中具有显著优势。针对具体应用,结合合适的磁性元件与布板散热设计,MP4583GQVE-Z 能显著简化电源设计并提升系统功耗性能与可靠性。

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