WMSIC Electronic Components

RICHTEK RT6150BGQW

ModelRT6150BGQW
PackageWSON-10-EP(2.5x2.5)
BrandRICHTEK
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

20 specifications

Core information

Product name
RICHTEK RT6150BGQW
Type
RICHTEK
Unit
Electronic Component
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RICHTEK
Electronic Component
RT6150BGQW
Electronic Component
1
Package
WSON-10-EP(2.5x2.5)
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.285g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0230063869
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
1.8V~5.5V
Switching Frequency
800kHz~1.2MHz

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

RT6150BGQW 产品概述

一、概述

RT6150BGQW 是 RICHTEK(台湾立锜)推出的一款升降压型同步整流 DC-DC 转换器,支持输入与输出电压范围 1.8V 到 5.5V,可调输出、单路输出、最大输出电流可达 800mA。器件采用降压-升压拓扑,内置开关管并集成同步整流,开关频率工作区间为 800kHz ~ 1.2MHz,静态电流仅 60µA,工作温度范围为 -40℃ 到 +85℃(TA)。封装为 WSON-10-EP(2.5mm x 2.5mm),适合空间受限的便携式与嵌入式应用。

二、主要特性(要点)

  • 输入/输出电压范围:1.8V ~ 5.5V(支持输入电压可高、等、低于所需输出电压)
  • 最大输出电流:800mA(连续)
  • 拓扑结构:降压-升压(buck-boost),输入/输出可相等或任一方向转换
  • 同步整流:内置同步 MOSFET,降低整流损耗、提高效率
  • 开关频率:800kHz ~ 1.2MHz(高频率有利于减小外部元件体积)
  • 静态电流:60µA(低 quiescent current,适合电池供电场景)
  • 功能特性:轻载高效模式(提升低负载效率)、过流保护、负载断开功能
  • 封装:WSON-10-EP(2.5x2.5mm),带外露焊盘便于散热

三、优势与适用场景

优势:

  • 宽输入/输出范围与降升压能力,适用于电池电压随放电变化的场合(如单节锂电池、两节串联电池)
  • 内置同步 MOSFET,减小功率损耗,提升系统效率
  • 低静态电流与轻载高效模式,延长电池待机时间
  • 紧凑封装,适合空间受限产品

典型应用:

  • 便携式设备与手持终端(需要稳定输出的单节锂电池供电)
  • 无线传感器节点、物联网终端、可穿戴设备
  • 便携式音频与外设、便携测量仪表
  • 工业传感与备用电源系统

四、设计要点与建议

  • 输入/输出电容:建议使用低 ESR 陶瓷电容(X5R/X7R),常用组合为 10µF ~ 47µF(视负载与纹波要求调整),电容需靠近 VIN/VOUT 引脚布局。
  • 电感选择:选择电感电流额定值大于最大峰值电流且饱和电流高于峰值;典型电感量级可在 1µH ~ 4.7µH 范围内,根据开关频率与纹波电流权衡选择。
  • 布局与散热:充分利用 WSON 外露焊盘(EP)做为散热通道,焊盘下穿多孔过孔连接至内层/底层大面积铜箔;输入地与输出地应为单点返回,开关节点走线尽量短,避免噪声耦合。
  • 输出滤波与稳定性:根据应用选择合适的输出电容和等效串联电阻(ESR),确保闭环稳定;如需优化瞬态响应,可适当增加并联小容值或调整电感。
  • 保护与可靠性:器件已集成过流保护与负载断开,但在系统级应考虑短路保护、热设计余量与启动顺序限制等。

五、典型关注点

  • 在高温或高功耗工况下需关注封装散热与降额使用,以避免长期发热导致性能退化。
  • 由于开关频率较高,电磁兼容(EMC)与滤波设计需尤其注意,输入端建议加入合适的滤波与布局屏蔽措施。
  • 轻载高效模式能显著降低待机功耗,但在某些对纹波或噪声敏感的应用需评估该模式下的输出行为。

总结:RT6150BGQW 以其宽输入输出范围、升降压能力、800mA 输出与低静态电流,适合对体积、功耗及电池续航有较高要求的便携和嵌入式电源设计。合理的外部元件选型与 PCB 布局将显著提升系统效率与热性能。

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