WMSIC Electronic Components

RICHTEK RTQ2103AGSP-QA RTQ2103AGSP

ModelRTQ2103AGSP-QA
PackageSOP-8-EP
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

19 specifications

Core information

Product name
RICHTEK RTQ2103AGSP-QA
Type
RICHTEK
Minimum package
2500

Technical parameters

Electronic Component
RICHTEK
Electronic Component
RTQ2103AGSP-QA
Electronic Component
1
Package
SOP-8-EP
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.222g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0230063816
Operating Temperature
40℃~+125℃@(TA)
Operating Voltage
3V~6V
Switching Frequency
2.2MHz~3MHz
Electronic Component
Electronic Component
Output Voltage
1.2V~3.3V
Output Current
2A

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

RTQ2103AGSP-QA 产品概述

一、特性概述

RTQ2103AGSP-QA 为 RICHTEK(台湾立锜)推出的一款高频降压开关稳压器,属于降压型(buck)拓扑,集成同步整流与开关管,面向需要高效率、小尺寸与低静态电流的电源方案。主要电气参数包括:输入电压范围 3V ~ 6V,输出电压可调 1.2V ~ 3.3V(内部参考电压 0.45V),最大输出电流 2A,开关频率 2.2MHz ~ 3MHz,静态电流典型值 30µA。工作温度范围 -40℃ ~ +125℃(TA)。封装为 SOP-8-EP(8-SOIC,带裸露焊盘,宽度 0.154" / 3.90mm)。

二、关键优势

  • 高频工作(2.2MHz~3MHz):允许使用小体积电感与陶瓷电容,显著降低 PCB 面积与外设体积,适合空间受限的便携设备。
  • 同步整流设计:内置低 Rds(on) 的同步 MOSFET,提高转换效率、降低发热,减小系统热管理需求。
  • 低静态电流(30µA):适合电池供电与休眠要求高的终端设备,延长电池寿命。
  • 宽输入/输出范围:支持单节锂电至 USB 5V 等多种电源源头,输出电压可通过外部分压电阻灵活设定,覆盖常用数字电源轨(1.2V/1.8V/2.5V/3.3V 等)。

三、典型应用场景

  • 便携式消费电子(穿戴、蓝牙音频、手持终端)
  • 电池供电的物联网节点与传感器模组
  • 摄像头模组与影像处理子系统的中低压轨供电
  • 工业控制与通信设备中需要高密度电源的点位
  • USB/车载降压电源解决方案

四、设计与布局建议

  • 电感:根据开关频率与负载电流,可优先选用 0.47µH ~ 2.2µH 的功率型功率电感,需保证饱和电流高于峰值电流(≥ 2A)。
  • 输入/输出电容:优先使用低 ESR MLCC,输入端紧贴 VIN 与 GND 引脚放置以抑制输入纹波;输出端并联足够容值以保证瞬态响应。
  • PCB 布局:裸露焊盘(EP)必须通过多孔连接至散热面和地平面;开关节点(SW)走线尽量短并远离敏感信号,输入电容靠近 VIN 与 GND,布线应最小化环路面积以降低 EMI。
  • 热管理:在高负载条件下注意器件及周边温升,利用多层 PCB 的铜平面和过孔增强散热。
  • 保护与补充功能:建议在输入端增加 TVS 或滤波网络以抗浪涌/瞬变;按需设计软启动、使能与输出上电序列。

五、注意事项与资料获取

实际设计时请以官方数据手册为准,确认器件的引脚排列、典型应用电路、外围元件推荐值及保护特性(如过流保护、过温保护等)。RTQ2103AGSP-QA 的 SOP-8-EP 封装适合常规 SMT 生产流程,焊盘与散热设计按照厂方推荐的 PCB land pattern 实施可获得最佳热性能和可靠性。

如需进一步的电路示例、 BOM 值与 PCB 参考布局图,建议下载 RICHTEK 官方资料或联系公司技术支持获取针对具体负载与工作条件的优化建议。

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