WMSIC Electronic Components

TI TPS7A0233PDQNR

ModelTPS7A0233PDQNR
PackageX2-SON-4-EP(1x1)
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) TPS7A0233PDQNR
Type
TI
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
270mV@(200mA)
Electronic Component
TI(Texas Instruments)
Electronic Component
130uVrms
Electronic Component
TPS7A0233PDQNR
Electronic Component
1
Package
X2-SON-4-EP(1x1)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.016g
Electronic Component
1
Features
Output
Electronic Component
BM0227583251
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
6V
Output
Electronic Component
Output Voltage
3.3V

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

TPS7A0233PDQNR 产品概述

一、产品简介

TPS7A0233PDQNR 是德州仪器(TI)推出的一款低噪声、超低静态电流、固定输出线性稳压器(LDO)。该器件为单通道正输出型,输出电压固定为 3.3V,最大输出电流可达 200mA。器件封装为紧凑的 X2SON-4-EP(1 × 1 mm),适合空间受限和对电源噪声、功耗有严格要求的便携与工业应用。

二、主要电气性能

  • 输出类型:固定 3.3V 正极输出,单通道
  • 最大输出电流:200 mA
  • 工作输入电压:支持最高 6 V(具体工作范围参见数据手册)
  • 压差(Dropout):约 270 mV(在 200 mA 负载时)
  • 静态电流(Iq):仅 25 nA(超低静态电流,适合电池供电场景)
  • 噪声:约 130 µVrms(低噪声特性利于模拟/射频前端)
  • PSRR:55 dB @ 1 kHz(对电源纹波有良好抑制效果)
  • 工作结温:-40 ℃ ~ +125 ℃(Tj)

以上参数基于器件典型工作条件,设计时建议参照 TI 官方数据手册以获取精确曲线与极限条件。

三、保护与控制特性

  • 带使能(Enable)引脚,支持低功耗待机和系统级电源控制,便于电源域管理;
  • 过流保护:内部限流机制可在负载短路或过载时保护器件与系统;
  • 过热保护:热关断功能在结温升高时自动限制输出,防止器件损坏;
    这些保护措施结合超低静态电流设计,使 TPS7A0233PDQNR 在电池供电与多电源管理系统中可靠性更高。

四、封装与热管理

X2SON-4-EP(1×1 mm)超小尺寸封装,有助于减小 PCB 面积。底部导热焊盘(EP)用于散热并作为接地良好连接点。尽管封装紧凑,但在高电流工作(接近 200 mA)时功耗与结温上升需通过合理 PCB 铜箔面积和散热策略来管理。建议在 PCB 设计中扩展 EP 对应的散热层并使用过孔联通内层散热平面。

五、典型应用场景

  • 电池供电的便携设备(智能传感器、手持终端、可穿戴设备)
  • 模拟与射频前端电源(需要低噪声和良好 PSRR 的放大器/ADC 供电)
  • 工业控制模块与嵌入式系统(要求宽温度范围和过载/过温保护)
  • 电源域管理与上电/关断控制(利用使能引脚实现电源序列与节能)

六、设计注意事项

  • 输入/输出旁路电容与稳定性:LDO 的输出稳定性依赖外部电容特性,设计时应参考 TI 数据手册关于电容类型、容量及 ESR 的建议;常见做法是在输入端和输出端各靠近器件放置陶瓷去耦电容以抑制瞬态和高频噪声。
  • 热设计:在接近 200 mA 工作时,应评估 PCB 散热能力与结温,必要时扩大散热铜箔或添加热过孔。
  • 布局:使能引脚、输入和输出引线尽量短且直,地线采用单点或大面积地平面连接到 EP,提高稳定性与降低噪声耦合。
  • 保护与滤波:对敏感模拟电路,可在输出后增加 LC/RC 滤波以进一步降低噪声与纹波。

七、小结

TPS7A0233PDQNR 将超低静态电流(25 nA)、低噪声(130 µVrms)、较高 PSRR(55 dB@1 kHz)与 200 mA 输出能力集成在 1×1 mm 的紧凑封装中,适合对功耗和电源质量有严格要求的应用。器件具备使能、过流与过热保护功能,便于系统电源管理和提升可靠性。最终设计应结合 TI 官方数据手册的详细电气特性与外部元件建议完成优化布局与热设计。

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