WMSIC Electronic Components

HTC LM29152RS

ModelLM29152RS
PackageTO-252-5
BrandHTC
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+

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Technical data

Product details

19 specifications

Core information

Product name
HTC LM29152RS
Type
HTC
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
350mV@(1.5A)
Electronic Component
HTC
Electronic Component
260uVrms
Electronic Component
LM29152RS
Electronic Component
1
Package
TO-252-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.38g
Electronic Component
1
Features
Voltage
Electronic Component
BM0226261108
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
26V
Output
Electronic Component
Output Voltage
1.24V~25V

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

LM29152RS线性稳压器(LDO)产品概述

一、产品定位与核心价值

LM29152RS是HTC推出的可调式线性稳压器(LDO),针对需要宽电压范围、高可靠性及多重保护的应用场景设计,兼顾性能与成本优势,适用于工业控制、汽车电子、通信设备等对电源稳定性要求严苛的领域。其核心价值在于:通过可调输出覆盖广电压需求,结合低噪声、宽温特性及多重保护,为负载提供稳定可靠的直流电源,无需额外复杂电路即可适配多样化负载。

二、关键性能参数

LM29152RS的核心参数精准覆盖中等功率、宽电压范围的应用需求,具体如下:

  • 工作电压:额定26V,支持输入电压小幅波动场景,适配常规直流电源或电池供电;
  • 输出电压:可调范围1.24V~25V,可通过外部分压电阻精准配置,从低压微控制器(如1.8V/3.3V)到高压模拟电路(如24V)均能适配;
  • 输出电流:最大1.5A,满足多数中小功率器件(如传感器、小型电机驱动)的供电需求;
  • 压差特性:1.5A满载时压差仅350mV,输入电压接近输出电压时仍能稳定工作,提升电源转换效率;
  • 静态电流:8mA,兼顾输出稳定性与待机功耗平衡,适合需要持续低功耗的场景;
  • 噪声水平:260uVrms,低噪声特性对电磁干扰敏感的模拟电路(如高精度传感器、音频模块)友好;
  • 温度范围:结温-40℃~+125℃,适应极端环境(如工业现场低温、车载高温工况);
  • 输出特性:单通道正极输出,结构简单易集成,无需复杂布线。

三、核心功能特性

LM29152RS内置多重实用功能,提升系统可靠性与灵活性:

1. 可调输出与状态监控

  • 可调输出设计:通过外接2个分压电阻即可设置输出电压,无需更换不同型号LDO,降低物料成本与设计复杂度;
  • PG脚(电源好信号):输出电压稳定在设定值±5%范围内时,PG脚置高(典型值10ms延迟),系统可通过该信号判断电源状态,实现故障预警或电源切换(如与备用电源联动)。

2. 多重保护机制

  • 过流保护(OCP):负载电流超过1.6A~1.8A阈值时自动限流,防止负载过载损坏;
  • 短路保护(SCP):输出短路时切断输出,避免器件发热烧毁,短路解除后自动恢复;
  • 反接保护:输入极性接反(如电池正负极接反)时,内部二极管钳位保护,器件不损坏,提升现场安装容错性;
  • 过热保护(OTP):结温超过150℃左右(典型值)时关断输出,降温至120℃左右后自动重启,防止热失控。

3. 使能控制与宽温适应

  • 使能引脚:可通过外部逻辑信号(如MCU GPIO)开启/关闭输出,待机时关闭输出可将功耗降至微安级;
  • 宽温度范围:结温覆盖-40℃+125℃,符合工业级(-4085℃)、车载级(-40~125℃)环境要求,无需额外散热设计即可适应极端工况。

四、封装与可靠性

LM29152RS采用TO-252-5贴片封装,具备以下优势:

  • 体积紧凑:尺寸约6.5×8.5mm,适合高密度PCB设计,节省空间;
  • 散热性能:TO-252封装的散热焊盘可有效导出热量,1.5A满载时结温仍低于125℃安全阈值;
  • 可靠性:HTC品牌的工业级设计,通过严格的可靠性测试(如温度循环、振动测试、ESD防护),适合长期稳定运行(MTBF可达10万小时以上)。

五、典型应用场景

LM29152RS的特性使其适用于多种场景:

  1. 工业控制模块:PLC、传感器节点、工业相机的供电,宽温适应车间高温/低温,低噪声保障传感器精度;
  2. 汽车电子辅助系统:车载显示屏、胎压监测模块、ADAS传感器电源,反接保护与宽温符合车载环境;
  3. 通信设备电源:基站RRU辅助电源、路由器模块供电,可调输出适配不同通信芯片的电压需求;
  4. 精密测量设备:示波器、万用表的电源模块,低噪声特性减少测量误差;
  5. 消费电子高端设备:专业音频解码器、便携式医疗设备的供电,宽电压范围适配不同模块需求。

综上,LM29152RS作为一款高性价比可调LDO,以宽电压范围、多重保护、低噪声及宽温特性,成为工业、汽车、通信等领域电源设计的优选器件,可简化电路设计并提升系统可靠性。

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