WMSIC Electronic Components

TI TPS62A03ADRLR

ModelTPS62A03ADRLR
PackageSOT-5X3(DRL)|6
BrandTI
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TI(Texas Instruments) TPS62A03ADRLR
Type
TI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
TPS62A03ADRLR
Electronic Component
1
Package
SOT-5X3(DRL)|6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.038g
Electronic Component
1
Features
Output
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0263574406
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
2.5V~5.5V
Switching Frequency
2.2MHz
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.

TPS62A03ADRLR同步降压转换器产品概述

一、产品定位与核心功能

TPS62A03ADRLR是德州仪器(TI)推出的高集成同步降压型DC-DC转换器,主打小尺寸、宽适配与低功耗特性,针对中功率便携电子、物联网终端及工业控制场景的电源需求设计。核心功能是将2.5V5.5V输入电压高效转换为600mV5.5V可调输出,最大连续输出电流3A,内置功率开关管与同步整流,无需额外外置元件即可实现紧凑、可靠的电源设计。

二、关键电气参数与性能优势

1. 输入输出范围适配广

  • 输入电压覆盖2.5V~5.5V,兼容单节锂离子电池(典型3.7V)、USB 5V供电及其他低压直流电源,适配多种供电场景;
  • 输出电压可通过外部电阻分压灵活设置为600mV~5.5V,满足MCU(1.8V)、传感器(3.3V)、射频模块等不同负载的电压需求,无需更换器件即可适配多类型负载。

2. 电流能力与效率突出

  • 最大连续输出电流3A,可驱动小型显示屏、无线通信模块等中功率负载;
  • 采用同步整流技术,内置低导通电阻功率开关管(无需外置整流二极管),转换效率最高接近95%(典型负载下);
  • 静态电流仅28uA,轻载待机时功耗极低,有效延长电池续航时间(如智能手表待机可提升10%以上)。

3. 高频设计缩小尺寸

固定开关频率2.2MHz(远高于常规降压转换器),可选用小尺寸电感(1uH级)和陶瓷电容,大幅减少PCB占用面积(电感尺寸可缩小40%以上),适配便携设备的紧凑空间要求。

4. 宽温可靠适应 harsh环境

工作结温范围**-40℃~+125℃**,覆盖工业级温度要求,可稳定工作于低温户外、高温车间等场景,提升系统可靠性(如工业传感器节点可长期运行)。

三、集成特性简化设计流程

  • 内置功率开关管:无需额外采购外置MOSFET,减少BOM元件数量(最多可减少3个元件),降低设计复杂度与成本;
  • 同步整流内置:替代传统肖特基二极管,消除反向恢复损耗,进一步提升效率;
  • 输出电压可调:仅需2个外部电阻(上拉R1、下拉R2)即可设置输出电压,公式为Vout=0.6V×(1+R1/R2),设计灵活;
  • 强制PWM模式:全负载范围内保持PWM调制,输出纹波稳定(典型纹波<20mV),适合对电压精度要求较高的负载(如高精度传感器)。

四、典型应用场景

  1. 便携电子设备:智能手表、蓝牙耳机、便携式血糖仪等,小封装(1.6mm×1.6mm)适配设备紧凑空间,低静态电流延长电池使用时间;
  2. 物联网终端:环境传感器节点、低功耗网关,宽输入范围兼容电池与USB供电,高集成度减少节点体积(单个节点可缩小30%);
  3. 工业控制模块:小型PLC输入输出单元、远程监测模块,宽温特性适应工业现场温度变化(如-20℃户外监测);
  4. 消费电子配件:USB供电的小型充电器、充电宝输出稳压模块,5V输入适配USB,3A输出满足多设备同时供电需求。

五、总结

TPS62A03ADRLR凭借小尺寸、高集成、宽适配与宽温可靠等核心特性,成为便携电子、物联网、工业控制等领域的理想降压电源方案,有效平衡了性能、成本与空间需求,简化了电源设计流程,是中功率低压电源设计的高性价比选择。

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