WMSIC Electronic Components

HGSEMI LM2594M-5.0/TR LM2594M

ModelLM2594M-5.0/TR
PackageSOP-8
BrandHGSEMI
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
HGSEMI LM2594M-5.0 / TR
Type
SOP-8
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
LM2594M-5.0/TR
Electronic Component
1
Package
SOP-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.077g
Electronic Component
1
Features
Electronic Component
Type
Electronic Component
Electronic Component
BM0265070249
Operating Temperature
40℃~+125℃
Operating Voltage
4.5V~40V
Switching Frequency
150kHz
Electronic Component
Electronic Component
Output Voltage
5V

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

LM2594M-5.0/TR DC-DC降压电源芯片产品概述

LM2594M-5.0/TR是HGSEMI(华冠半导体)推出的内置开关管固定输出降压型DC-DC电源芯片,采用SOP-8贴片封装,专为宽输入范围、低功耗、小型化电源场景设计,覆盖工业控制、车载电子、物联网设备等多领域应用需求。

一、产品核心定位与应用场景

LM2594M-5.0/TR的核心定位是高性价比、宽适配性的固定5V降压电源,无需外部调整即可稳定输出5V电压,适合对电源体积、设计复杂度有要求的量产产品。典型应用包括:

  • 车载电子:适配12V/24V车载系统(输入4.5~40V),为MCU、传感器、显示屏等低功耗模块供电;
  • 工业控制:-40℃~+125℃宽温范围满足户外设备、工厂自动化的极端环境需求;
  • 物联网设备:500mA输出覆盖WiFi、蓝牙模块、低功耗传感器的供电;
  • 消费电子:替代7805等线性稳压器,输入>5V时效率提升(典型>85%),延长电池续航。

二、关键电气参数详解

LM2594M-5.0/TR的参数平衡性能与成本,核心指标如下:

  1. 输入输出范围:输入4.5V40V(覆盖锂电池3.74.2V、车载9~36V),固定输出5V,最大电流500mA;
  2. 开关特性:150kHz开关频率,既避免高频EMI干扰,又比低频所需电感/电容体积更小;
  3. 静态电流:无负载时2mA,宽输入范围内置开关管芯片中属合理水平,不额外消耗电源;
  4. 内置开关管:无需外置MOSFET,减少元件数量与PCB面积,降低设计复杂度;
  5. 拓扑结构:经典降压式(Buck),转换效率高,适合输入>输出的场景。

三、封装与引脚配置

采用SOP-8贴片封装(5.0mm×4.9mm×1.5mm),支持自动化贴装,适配小型化产品。引脚设计特点:

  • 关键引脚(VIN、VOUT、GND)布局靠近,减少布线干扰;
  • 内置补偿电路,无需额外反馈电容,简化外围;
  • 使能引脚支持外部控制通断,方便系统低功耗待机。

四、典型应用与设计优势

外围电路极简,仅需3类核心元件:

  • 输入电容:10μF X7R陶瓷电容(滤除纹波);
  • 输出电容:10μF X7R陶瓷电容(稳定输出);
  • 功率电感:10μH(承载>500mA电流)。

核心优势:

  • 设计简化:内置开关管+固定输出+内置补偿,无需复杂调节;
  • EMI友好:150kHz符合多数行业EMI标准,无需额外屏蔽;
  • 宽温可靠:-40~125℃覆盖工业/车载极端环境;
  • 成本可控:SOP-8封装+极简外围,降低量产成本。

五、品牌与质量保障

HGSEMI是国内成熟电源芯片厂商,LM2594M-5.0/TR具备:

  • RoHS无铅封装,符合环保要求;
  • 批量供货稳定,封装一致性好;
  • 部分批次满足AEC-Q100车载级标准;
  • 完善datasheet与技术支持,加速量产导入。

总结:LM2594M-5.0/TR是高性价比固定5V降压芯片,适合对体积、成本、可靠性有要求的多领域应用,是替代线性稳压器的理想选择。

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