WMSIC Electronic Components

Silergy SQ27000SXC

ModelSQ27000SXC
PackageDFN-8(4x4)
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
silergy SQ27000SXC
Type
SILERGY
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SQ27000SXC
Electronic Component
1
Package
DFN-8(4x4)
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.065g
Electronic Component
1
Features
Built-in LDORegulator
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0230812334
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
7V~100V
Switching Frequency
200kHz~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.

矽力杰SQ27000SXC 高压同步降压转换器产品概述

矽力杰SQ27000SXC是一款宽输入电压范围同步降压型DC-DC转换器,专为高压、小功率应用场景设计,集成内置开关管,具备高效、紧凑、可靠等核心优势,可满足工业、汽车及通信等领域的电源转换需求。

一、核心拓扑与频率特性

SQ27000SXC采用降压式(Buck)拓扑结构,内置同步整流开关管,无需外部续流二极管,显著简化电路设计。其开关频率覆盖200kHz~1MHz,支持灵活调整:

  • 低频段(200kHz左右)可降低开关损耗,提升轻载效率;
  • 高频段(1MHz左右)可减小电感、电容等被动元件尺寸,优化PCB布局空间,适配高密度应用。

二、宽电压输入兼容性

该器件支持7V~100V超宽输入电压范围,覆盖多种典型场景的供电需求:

  • 工业领域:24V/48V直流母线电源、高压传感器供电;
  • 汽车电子:12V/24V车载系统(兼容瞬态电压波动);
  • 通信设备:高压备份电源、分布式电源节点。
    宽输入范围保证了电压波动较大环境下的稳定工作,无需额外设计升压/降压冗余电路。

三、高效同步整流设计

SQ27000SXC集成同步整流控制器与功率开关管,相比异步降压方案,轻载效率提升约10%~15%(典型负载下效率可达90%以上)。内置开关管的导通电阻经过优化,进一步降低导通损耗,适合对效率要求较高的电池供电或低功耗系统。

四、输出性能与可调性

输出能力

  • 最大持续输出电流:600mA,满足MCU、传感器、显示模组等小功率负载的供电需求;
  • 输出电压可调:通过外部电阻分压可灵活设置(典型范围0.8V~Vin-2V),支持±1%的电压精度;
  • 动态响应:具备快速负载瞬态响应能力,负载跳变时输出电压波动小,适配对电压稳定性要求高的应用。

保护机制

内置多重保护提升可靠性:

  • 欠压锁定(UVLO):输入电压低于7V时停止工作,防止低压异常输出;
  • 过流保护(OCP):输出电流超阈值时进入限流模式,避免负载短路损坏;
  • 过温关断(TSD):芯片结温过高时自动关断,温度回落后续航;
  • 过压保护(OVP):输出电压异常升高时切断输出,保护后级负载。

五、封装与环境适应性

封装规格

采用DFN-8(4×4mm)封装,引脚间距0.8mm,体积紧凑,适合高密度PCB布局(如小型化工业模块、车载电子单元)。

环境适应性

工作温度范围为**-40℃~+85℃(环境温度TA)**,符合工业级温区要求,可在极端温度环境下稳定运行,典型应用无需额外散热设计。

六、典型应用场景

SQ27000SXC的宽电压、高效、紧凑特性,使其适用于以下场景:

  1. 工业控制:PLC模块、工业传感器、电机驱动辅助电源;
  2. 汽车电子:车载显示屏、ADAS传感器、车身控制单元(BCM);
  3. 通信设备:基站备份电源、光模块供电、路由器/交换机子系统;
  4. 消费电子:高压适配器(如120V输入转5V/3.3V)、智能家居设备电源。

总结:矽力杰SQ27000SXC是一款针对高压小功率应用优化的同步降压转换器,集成度高、效率优、可靠性强,可有效简化电源设计流程,降低系统成本与体积,是工业、汽车及通信领域电源方案的理想选择。

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