WMSIC Electronic Components

Silergy SY7011AABC

ModelSY7011AABC
PackageSOT23-6
BrandSILERGY
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
silergy SY7011AABC
Type
SILERGY
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SY7011AABC
Electronic Component
1
Package
SOT23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.062g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265380019
Operating Temperature
40℃~+125℃
Operating Voltage
850mV~5.5V
Switching Frequency
1MHz
Electronic Component
Electronic Component

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

SY7011AABC 产品概述

一、概述

SY7011AABC 是矽力杰(Silergy)推出的一款升压型 DC-DC 转换器,属于高集成度、低静态电流的升压稳压芯片。器件采用升压拓扑并集成高侧/低侧开关(同步整流),在 0.85V 至 5.5V 的输入范围内工作,可将电压提升并稳压为 1.8V 至 5.5V(可调输出),最高输出电流可达 1A。器件开关频率为 1MHz,工作温度范围 -40℃ 至 +125℃,静态电流仅 700nA,适合对功耗敏感的电池供电或便携式系统。

二、主要特性

  • 输入电压范围:0.85V ~ 5.5V,支持低电压启动与工作
  • 输出电压范围:1.8V ~ 5.5V(外部反馈可调)
  • 最大输出电流:1A(在热、效率和输入电压条件允许下)
  • 开关频率:1MHz,有利于使用小体积电感和陶瓷电容
  • 同步整流:内置,无需外接肖特基二极管,提升效率
  • 静态电流(Iq):700nA,适合长待机/低功耗场景
  • 工作温度:-40℃ ~ +125℃
  • 开关管:内部集成,简化布局和器件选型

三、典型应用场景

  • 单节或多节电池升压(如干电池、NiMH、锂离子低电量补偿)
  • 便携式消费电子、可穿戴设备、物联网节点与传感器电源
  • 低功耗遥控器、无线模组、便携式照明及小功率驱动电路
  • 需要长待机并偶发高电流输出的电池供电系统

四、典型设计与注意事项

  • 输出电压设定:采用外部分压电阻网络设定反馈电压,按数据手册推荐比例选择以保证稳定与精度。
  • 电感选择:因 1MHz 高频工作,可选小体积高饱和电流电感(需满足峰值电流和散热要求)。
  • 电容配置:输入/输出应使用低 ESR 陶瓷电容以降低纹波和提高瞬态响应。
  • 同步整流优点:无需外接续流二极管,但需注意布局以减少开关回路环路面积,降低 EMI。
  • 启动与保护:参考原厂资料配置软启动、过流与过温保护电路(如器件自带则按手册使用),避免在电源瞬态或短路情况下损伤器件。

五、热与布局建议

  • 将电感、输入/输出电容与芯片保持紧密布局,缩小开关回路环路面积。
  • 使用足够的 PCB 铜厚/散热焊盘,改善热导出,确保在 1A 输出与高环境温度下可靠工作。
  • 对于 EMI 要求高的系统,注意引入适当的滤波并遵循参考布局。

六、选型与资料获取

  • 型号:SY7011AABC,品牌:矽力杰(Silergy)。
  • 封装信息与引脚图、详细电气特性、典型应用电路与布局示例请以矽力杰原厂数据手册为准。购买与样片请向授权分销商或厂商咨询。

七、使用与调试要点

  • 调试时先在室温下低负载确认输出稳定,再测试高负载和极端电压条件。
  • 关注启动行为、负载瞬态响应与效率曲线,确认满足系统要求。
  • 在最终产品中进行热测试、EMC 测试与长期可靠性验证。

如需基于 SY7011AABC 的典型应用电路图、BOM 或 PCB 参考布局,我可帮您整理一套适配您输入/输出和功率需求的设计建议。

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