WMSIC Electronic Components

RICHTEK RT6158AWSC

ModelRT6158AWSC
PackageWLCSP-25(2.07x2.33)
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 21+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
RICHTEK RT6158AWSC
Type
RICHTEK
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RICHTEK
Electronic Component
RT6158AWSC
Electronic Component
1
Package
WLCSP-25(2.07x2.33)
Electronic Component
DC-DC Power Supply IC
Electronic Component
1g
Electronic Component
1
Features
Dynamic Voltage; Frequency Synchronous;; Output
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265104249
Operating Temperature
40℃~+125℃
Operating Voltage
2.5V~5V
Switching Frequency
2MHz

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

RT6158AWSC 产品概述

一、产品简介

RT6158AWSC 是 RICHTEK(台湾立锜)推出的一款高集成度升降压型开关稳压器,采用降压-升压式拓扑并内置功率开关,封装为 WLCSP-25(尺寸 2.07 × 2.33 mm)。器件支持 2.5V 至 5V 输入,输出可调在 2.1V 至 5.2V 之间,最大输出电流 2A,开关频率高达 2MHz,工作温度范围 -40℃ 至 +125℃,适合对体积、效率与瞬态响应有严格要求的便携式与嵌入式系统。

二、主要性能特点

  • 升降压架构(Buck-Boost),输入低于或高于目标输出时均能稳定供电。
  • 输入电压:2.5V ~ 5V;输出电压:2.1V ~ 5.2V(可调);输出电流:最高 2A。
  • 开关频率:典型 2MHz,利于使用小型电感与缩小外形尺寸。
  • 同步整流:内部同步 MOSFET,提升转换效率并降低功耗。
  • 工作温度:-40℃ ~ +125℃,满足工业级温度需求。
  • 封装:WLCSP-25(2.07 × 2.33 mm),适合空间受限的移动终端与可穿戴设备。

三、功能特性与保护

  • 轻载高效模式:在轻载工况下进入高效工作状态(一般为准谐振或 PFM 类策略),降低静态损耗以延长电池寿命。
  • 动态电压调节(DVS):支持快速调整输出电压以配合处理器或子系统的电压缩放需求,改善系统功耗管理。
  • 频率同步:允许将器件的开关频率与系统时钟同步,便于 EMI 管理与系统级噪声控制。
  • 过流保护(OCP):内置过流检测与保护机制,避免短路或过载造成损坏,通常带自动恢复功能。
  • 输出放电:当芯片被禁用或关断时,内部放电通路可快速将输出电压拉低,保证系统复位与上电顺序。

四、封装与热管理

WLCSP-25 超小封装非常适合空间受限应用,但对 PCB 散热与布局要求较高。建议:

  • 在芯片下方与引脚周围使用较大铜箔与过孔进行散热。
  • 关键电容、感性元件与开关节点布局靠近器件,缩短高频回流路径以降低 EMI。
  • 选用适配的电感(额定电流 >2A,低 DCR)与低 ESR 输出电容以优化效率与纹波。

五、推荐应用

  • 手机与便携终端的外设供电与子轨稳压。
  • 可穿戴设备、智能手表、蓝牙/IoT 端节点等对体积与效率敏感的电源。
  • 摄像头模组、传感器前端、低压处理器供电与系统级电源管理模块。

六、设计注意事项

  • 由于 2MHz 的高频开关,选用低寄生的电感与陶瓷电容(X5R/X7R)并靠近器件布置。
  • 输出设置需根据实际负载与效率曲线选择合适环路补偿与电感值,兼顾瞬态响应。
  • 在高温或满载工况下注意热降额,必要时通过铺铜或散热片辅助散热。
  • EMI 管理时可利用频率同步功能避免与敏感频段重叠,并优化滤波器布局。

总结:RT6158AWSC 以其升降压能力、同步整流与小尺寸封装,为移动和嵌入式系统提供灵活、高效且可靠的单路可调电源解决方案,适合对空间、效率与动态电压控制有较高要求的应用场景。

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