WMSIC Electronic Components

MPS MP4245GVE-0001-Z

ModelMP4245GVE-0001-Z
PackageQFN-21(4x5)
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 26+

Available for RFQ

Technical data

Product details

15 specifications

Core information

Product name
MPS MP4245GVE-0001-Z
Type
QFN-21(4X5)
Minimum package
5000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MPS
Electronic Component
MP4245GVE-0001-Z
Electronic Component
1
Package
QFN-21(4x5)
Electronic Component
Specialized Power Management(PMIC)
Electronic Component
0.34g
Electronic Component
1
Features
EMI Optimization; Output; Frequency Synchronous;; Built-in LDORegulator
Electronic Component
BM0264909764
Electronic Component
Electronic Component
Electronic Component
5000

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

MP4245GVE-0001-Z 产品概述

一、关键特性

MP4245GVE-0001-Z 是 MPS 推出的一款高性能开关稳压器,支持 Buck-Boost 拓扑,最高耐压 36V,峰值输出电流 6A(Peak)。器件集成丰富的电源管理和保护功能:打嗝限流、线缆补偿、EMI 优化(抖频模式)、输出放电、频率同步、过流保护以及内置 LDO 稳压器,并提供 I2C 接口用于配置与监测。封装信息需参照官方数据手册确认。

二、产品简介

该器件为一颗面向电源输送(Power Delivery)与车载/工业等场景的可控式升降压开关稳压器。Buck-Boost 结构使其能在输入高于或低于目标输出电压时稳定供电,适合电池供电系统、Type-C PD 供电前端、点对点电源管理等需要宽输入范围与动态负载适配的应用。内置 LDO 为内部电路或低压外设提供稳压支持,I2C 接口用于参数配置、故障上报和实时监控。

三、功能与保护

  • 打嗝限流(Hiccup):在持续过流或短路条件下进入间歇性重启,降低平均功耗并保护器件与负载。
  • 过流保护:快速检测并限制峰值电流,配合打嗝策略处理严重故障。
  • 线缆补偿:可补偿线缆压降,改善负载端电压精度,提升系统稳态性能。
  • 输出放电:关断时主动放电输出电容,缩短系统掉电时间并避免残留电压。
  • EMI 优化(抖频模式):支持频率抖动/扩频,降低电磁干扰峰值,便于通过 EMI 认证。
  • 频率同步:允许外部时钟同步以避免与系统敏感频段冲突或多相并联时同步管理。
  • 内置 LDO:为内部控制电路或外部低功耗模块提供稳定参考电压,简化外部元件选择。

四、应用场景

  • USB Type-C / PD 前端与电源切换
  • 移动电源、电动工具与电池供电系统的稳压与转接
  • 工业自动化、车载电子(需确认符合车规要求)
  • 通信与网络设备的节点电源模块

五、设计与选型建议

  • 输入电压与功率预算应考虑最高 36V 的耐压能力与峰值 6A 的热耗布局;高功率工作下需注意封装热阻与散热设计。
  • EMI 要求高的系统建议启用抖频模式,并在布局上优先缩短开关回流回路,优化输入输出去耦电容位置。
  • 使用线缆补偿功能时,先测量线缆压降并在器件寄存的补偿寄存器中配置合适补偿值。
  • 通过 I2C 接口可以实时读取状态、配置保护阈值与工作模式,建议在 I2C 总线上实现错误重试与故障记录机制。
  • 详细引脚、时序、补偿网络与外围器件选择请参考官方数据手册与参考设计。

六、典型系统注意事项

  • 保持开关节点与外部元件之间的寄生电感最小,输出与输入电容靠近相应引脚布局。
  • 确认 PCB 铜箔面积以满足散热与电流承载,必要时加装热沉或多层过孔散热通道。
  • 在需要高可靠性的应用中,核实器件是否满足相应认证与温度等级,并与 MPS 官方资料对齐。

如需进一步电气参数、引脚定义、典型应用电路或参考 PCB 布局建议,请提供数据手册或授权查询渠道以便精确核对与优化设计。

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