WMSIC Electronic Components

Silergy SY8003C1DFC

ModelSY8003C1DFC
PackageDFN8_2X2MM_EP
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
silergy SY8003C1DFC
Type
SILERGY
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SY8003C1DFC
Electronic Component
1
Package
DFN8_2X2MM_EP
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.034g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265638761
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
2.7V~5.5V
Switching Frequency
3MHz
Electronic Component
Electronic Component
Output Current
3A

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

SY8003C1DFC DC-DC降压电源芯片产品概述

一、品牌与封装基础信息

SY8003C1DFC由国内电源管理领域知名厂商矽力杰(Silergy) 研发推出,专注于高效、小型化的电源解决方案。其采用DFN8_2X2MM_EP封装,核心特点如下:

  • 封装尺寸仅2mm×2mm,大幅压缩PCB占用空间,适配高密度电路设计;
  • DFN(无引脚扁平封装)+ 暴露焊盘(EP)结构,既降低寄生参数,又增强散热能力,可有效控制结温;
  • 8引脚布局紧凑,外围元件集成度高,简化电路布线难度。

二、核心功能与拓扑结构

该芯片为单通道同步降压型DC-DC转换器,基于经典Buck拓扑架构:

  • 同步整流设计:内置高低侧功率MOSFET,替代异步整流的续流二极管,显著提升中负载区间的转换效率;
  • 内置开关管:无需外置功率器件,减少BOM成本,同时避免外接MOS的匹配问题;
  • 输出可调:通过外部分压电阻可灵活设置输出电压,适配不同负载的供电需求。

三、关键电气参数解析

1. 输入输出特性

  • 输入电压范围:2.7V~5.5V,覆盖锂聚合物电池(3.7V典型)、2节干电池(3V)、USB 5V供电等常见场景;
  • 输出电流能力:3A(连续输出),满足中功率负载(如小型MCU、无线模块、FPGA核心)的供电需求;
  • 输出电压范围:典型可调至1.0V~3.3V(可通过电阻配置),适配低电压SoC、嵌入式芯片等核心器件。

2. 效率与功耗

  • 开关频率:3MHz(高频设计),可选用小体积电感(1μH~2.2μH)和陶瓷电容,进一步缩小系统尺寸;
  • 静态电流(Iq):仅55μA,低待机功耗特性适合电池供电设备,延长待机时间;
  • 转换效率:典型值≥90%(轻载≥85%),同步整流+内置MOS的设计有效降低功率损耗。

3. 温度与可靠性

  • 工作结温范围:-40℃~+125℃,符合工业级温度标准,可适应车载、户外等恶劣环境;
  • 内置保护功能:支持过流保护(OCP)、过压保护(OVP)、过热保护(OTP),提升系统稳定性(具体阈值需参考官方 datasheet)。

四、典型应用场景

SY8003C1DFC凭借小型化、高效能、宽适应性的特点,广泛应用于以下领域:

  1. 便携式电子:智能手机副供电、智能手表/手环、蓝牙音箱;
  2. 物联网设备:传感器节点、智能网关、低功耗摄像头;
  3. 工业控制:小型PLC模块、工业传感器、电机驱动辅助供电;
  4. 汽车电子:车载仪表盘、倒车摄像头、胎压监测模块;
  5. 消费电子:移动电源(升压后降压输出)、便携打印机。

五、产品核心优势总结

  1. 小型化设计:2×2mm DFN封装+3MHz高频,外围元件少,适合紧凑电路布局;
  2. 高效低耗:同步整流+55μA静态电流,兼顾转换效率与待机功耗;
  3. 宽温适应性:-40℃~+125℃结温,满足工业/车载场景需求;
  4. 灵活输出:可调电压范围,适配多类型负载;
  5. 高可靠性:内置保护+暴露焊盘散热,降低故障风险。

该芯片平衡了效率、体积与成本,是电池供电设备、小型化电子系统的理想降压解决方案。

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