WMSIC Electronic Components

TI TPS56A37RPAR

ModelTPS56A37RPAR
PackageVQFN-HR(RPA)|10
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TI(Texas Instruments) TPS56A37RPAR
Type
TI
Minimum package
3000 未知

Technical parameters

Electronic Component
CUT TAPE
Electronic Component
TI(Texas Instruments)
Electronic Component
TPS56A37RPAR
Electronic Component
1
Package
VQFN-HR(RPA)|10
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.095g
Electronic Component
1
Features
Output
Type
Electronic Component
Electronic Component
BM0257671777
Operating Temperature
40℃~+150℃@(TJ)
Operating Voltage
4.5V~28V
Switching Frequency
500kHz
Electronic Component
Electronic Component
Output Voltage
600mV~13V

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

TPS56A37RPAR 产品概述

一、器件简介

TPS56A37RPAR 是德州仪器(TI)推出的一款降压型同步开关稳压器,输入电压范围宽(4.5V 至 28V),输出可调(0.6V 至 13V),最大输出电流 10A,固定开关频率 500kHz,适用于对体积、效率和散热有较高要求的单通道电源设计。器件内部集成高、低侧开关管,静态电流仅约 45µA,适合需要低待机损耗的系统。

二、主要功能与特点

  • 宽输入电压:4.5V ~ 28V,可直接配合多种电源总线。
  • 输出电压可调:0.6V ~ 13V,通过外部分压电阻设定。
  • 高电流输出:连续 10A 驱动能力,适合核心电源和功率模块。
  • 同步降压拓扑:内置开关管,提高效率并简化外部元件。
  • 固定开关频率:500kHz,便于选择小型电感与滤波器。
  • 低静态电流:Iq ≈ 45µA,有利于低功耗待机。
  • 宽温度工作范围:结温 -40℃ 至 +150℃,适应恶劣环境。
  • 封装:VQFN-HR (RPA) | 10,引脚少、热性能好,带底部散热焊盘。

三、典型应用场景

适用于通信设备、工业控制、便携式仪器(需宽输入)、点-of-load(POL)电源、主板供电和车载辅助电源等场景。固定 500kHz 的工作频率利于使用小尺寸电感和电容,实现高功率密度设计。

四、设计要点与建议

  • 电感选择:建议选用额定电流高于 10A、低 DCR 的稳态电感,配合 500kHz 可减小体积。
  • 电容要求:输入侧选低 ESR 陶瓷电容以抑制峰值电流;输出侧优先多颗陶瓷并联以降低纹波。
  • 布局与散热:底部 RPA 焊盘必须与 PCB 大面积铜箔和多孔热通孔连接,输入/输出电容尽量靠近器件引脚以缩小回路面积。
  • 反馈与补偿:精确布线反馈节点,远离开关噪声源;若需改善瞬态响应,可根据参考设计调整补偿网络。
  • 保护与可靠性:配合器件内置保护(欠压、过流、热关断等)和外部适配器件确保系统安全。

五、封装与热管理

VQFN-HR (RPA) 10 引脚封装带有底部散热焊盘,便于高功率散热。建议在 PCB 设计时使用多层铜平面、热通孔和大面积铜箔以降低结-壳热阻,保证在高输出电流下稳定工作。

总结:TPS56A37RPAR 以其宽输入、高输出电流、低静态电流和集成开关管的特性,为需要高功率密度与可靠性的降压电源设计提供了简洁而高效的解决方案。在实际应用中,合理选型外围元件与注意 PCB 散热布局是保证性能的关键。

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