WMSIC Electronic Components

MSKSEMI MP2459GJ-Z-MS MP2459GJ

ModelMP2459GJ-Z-MS
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MSKSEMI MP2459GJ-Z-MS
Type
SOT-23-6
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
MP2459GJ-Z-MS
Electronic Component
1
Package
SOT-23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.046g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0230826860
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~60V
Switching Frequency
2MHz
Electronic Component
Electronic Component
Output Current
600mA

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

MP2459GJ-Z-MS 产品概述

一、产品简介

MP2459GJ-Z-MS 是美森科(MSKSEMI)推出的一款高压降压型开关稳压器,属于降压式拓扑。芯片集成功率开关管,输入电压宽范围支持 4.5V 至 60V,连续输出电流可达 600mA,开关频率高达 2MHz,静态电流仅 700µA,工作温度范围 -40℃ 到 +85℃,封装为超小型 SOT-523,适合空间受限且需高效率、小体积的电源设计场合。

二、主要特性

  • 宽输入电压:4.5V ~ 60V,适配汽车、工业及大输入纹波场景;
  • 输出电流:最大 600mA,满足中低功率负载需求;
  • 高开关频率:2MHz,可使用小体积电感与低外形电容,实现紧凑布局;
  • 低静态电流:Iq = 700µA,有利于轻载或待机功耗控制;
  • 内置开关管:简化外部元件选型与布局,提升系统可靠性;
  • 输出可调:通过外部分压电阻实现多档输出电压配置;
  • 宽温工作:-40℃ ~ +85℃,适应严苛环境。

三、典型应用

  • 汽车车载子系统(经滤波、符合输入要求时);
  • 工业控制与仪表供电;
  • 通信设备局部降压电源;
  • 小型家电与便携设备电源模块。

四、外部元件与设计建议

  • 电感:建议选择低 DCR、高饱和电流的功率电感;由于 2MHz 高频,常见取值范围为 0.4µH~2.2µH(按输出纹波与瞬态响应权衡);
  • 输入电容:使用低 ESR 陶瓷电容并靠近芯片输入端,抑制开关尖峰与输入纹波;
  • 输出电容:选择稳定的陶瓷或混合电容以保证瞬态响应与低输出纹波,注意总电容与 ESR 匹配;
  • 布局:输入、输出电容与芯片靠近布置,缩短开关回路回路面积,接地采用单点或靠近芯片的完整地平面;
  • 熱管理:SOT-523 封装热阻较高,需通过铜箔扩散及组件间距控制功率损耗与结温。

五、可靠性与注意事项

  • 由于高输入电压能力,在设计中应确认外部元件(电容、电感、二极管等)耐压等级;
  • 考虑启动与软启动需求时,设计分压和反馈网络,避免启动冲击与输出过冲;
  • 在应用于汽车或高瞬态环境时,建议做输入瞬态抑制与浪涌保护设计。

六、总结

MP2459GJ-Z-MS 以其 4.5V~60V 的宽输入范围、600mA 的输出能力、2MHz 的高开关频率以及 SOT-523 的小封装,为对体积、效率和输入耐受性有较高要求的系统提供了一种紧凑且实用的降压解决方案。合理选择外部电感与滤波元件并优化 PCB 布局,可以在高密度应用中获得稳定的性能表现。若需更详细的电气特性曲线、典型应用原理图或元件选型表,建议参考厂商数据手册或联系技术支持。

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