WMSIC Electronic Components

TI TPS629210DRLR

ModelTPS629210DRLR
PackageSOT-5x3(DRL)-8
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TI(Texas Instruments) TPS629210DRLR
Type
TI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
TPS629210DRLR
Electronic Component
1
Package
SOT-5x3(DRL)-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.018g
Electronic Component
1
Features
Output
Type
Electronic Component
Electronic Component
BM0258725822
Operating Temperature
40℃~+150℃
Operating Voltage
3V~17V
Switching Frequency
2.5MHz
Electronic Component
Electronic Component
Output Voltage
400mV~5.5V

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

TPS629210DRLR 产品概述

一、概述

TPS629210DRLR 是德州仪器(TI)推出的一款高效能降压型开关稳压器,属于同步降压拓扑,集成功率开关,适用于对体积和待机功耗有严格要求的应用。器件输入电压范围宽(3V~17V),输出电压可调(400mV~5.5V),峰值输出电流可达1A,开关频率高达2.5MHz,静态工作电流仅约4µA,工作结温可覆盖 -40℃~+150℃,封装为紧凑的 SOT-5x3 (DRL)‑8,适合空间受限的消费与工业类终端产品。

二、主要性能亮点

  • 宽输入电压:3V 至 17V,兼容单节锂电池、两节锂电池以及12V、24V 工业/车载辅助电源(需结合系统要求)。
  • 可调输出电压:支持 400mV 至 5.5V 的设定区间,采用外部分压电阻即可设定目标电压,灵活匹配各类芯片供电需求。
  • 低静态电流:典型待机 Iq 为 4µA,利于延长电池供电设备的待机时间。
  • 高效率与高频:2.5MHz 开关频率减少外部功率电感与电容体积,便于实现低高度、紧凑方案,同时在中低负载下仍能维持较好效率。
  • 集成开关管:内置功率开关简化布局与器件选型,减少外形尺寸和设计复杂度。
  • 宽工作温度:-40℃~+150℃,适合严苛环境的可靠运行。

三、典型应用场景

  • 便携式电池供电设备(手持终端、可穿戴设备、便携式测量仪表)
  • IoT 节点、无线传感器、远端采集单元(对低静态电流要求高)
  • 工业控制与通信设备(12V 或 24V 辅助电源降压场景)
  • 汽车电子的辅助电源(需额外考虑车规级认证与瞬态抑制)

四、设计要点与布局建议

  • 输入旁路:在 VIN 引脚附近放置低 ESR 陶瓷电容,减小输入环路的寄生感抗,抑制瞬态电压。
  • 输出滤波:选择低 ESR 输出电容以降低输出纹波,并保证启动与负载瞬变性能。
  • 电感选择:采用额定电流高于最大输出电流、低 DCR 的功率电感;高开关频率允许使用更小的电感值,但需关注峰值电流与发热。
  • PCB 布局:将开关节点(SW)、电感和输出电容布置紧凑,缩短信号回路面积;输入电容靠近 VIN 与 GND 引脚铺铜,器件底部或附近留出足够散热铜箔以提升热性能。
  • 布署调整电阻:输出电压通过两个外部分压电阻确定,建议选用温漂低、分压阻值适中的器件以抑制噪声敏感应用的误差。

五、可靠性与封装信息

TPS629210DRLR 采用 SOT-5x3 (DRL)‑8 紧凑封装,适合高密度 PCB 布局。器件支持宽温工作范围(-40℃~+150℃),能在多变环境下可靠运行。为满足热设计要求,建议在 PCB 下方或周边增加铺铜并连接至接地层,以帮助散热并降低结温。

六、小结

TPS629210DRLR 凭借宽输入范围、低静态功耗、1A 输出能力与高达 2.5MHz 的开关频率,适合对尺寸、效率和待机功耗均有要求的便携与工业类应用。内置开关简化了电源方案设计,SOT‑5x3 小封装有利于系统轻薄化。实际使用时应按推荐布局与外设选型原则选择合适的电感与电容,确保热管理与电磁兼容达到系统指标。

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