Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Silergy SY50213WFAC
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- silergy SY50213WFAC
- Type
- SILERGY
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SILERGY
- Electronic Component
- SY50213WFAC
- Electronic Component
- 1
- Package
- SO-8
- Electronic Component
- AC-DC Controllers and Regulators
- Electronic Component
- 0.147g
- Electronic Component
- 1
- Features
- (CV); (OTP); (CC); (SCP); (OVP); (OCP)
- Electronic Component
- Electronic Component
- Electronic Component
- BM0226078942
- Electronic Component
- PFM; QR; PWM
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 6V~14V
- Switching Frequency
- 60kHz~70kHz
- 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.
SY50213WFAC 产品概述
一、产品简介
SY50213WFAC 是矽力杰（silergy）面向小功率 AC-DC 应用的一款反激式控制器与稳压器，采用 SO-8 封装。芯片支持原边反馈（Primary-side Regulation），在无光耦方案下实现恒压（CV）与恒流（CC）输出控制，适用于多种充电器与适配器设计。
二、主要特性
- 恒压模式（CV）与恒流模式（CC）双工作点；
- 多重保护：过热保护（OTP）、短路保护（SCP）、过压保护（OVP）、过流保护（OCP）；
- 工作调制：PFM、QR（准谐振）与 PWM 调制，适应不同负载与效率需求；
- 反激式拓扑，原边反馈，省去光耦器件；
- 内置高压晶体管耐压 800V，适合直接连接整流后高压总线；
- 开关频率范围 60kHz～70kHz；输出电流能力 2.1A；耗散功率 Pd≈1.1W。
三、电气性能要点
SY50213WFAC 在 60–70kHz 的开关频率下平衡了变压器尺寸与效率，内部功率耗散约为 1.1W，适用于输出电流上限约 2.1A 的应用场景。800V 耐压片上开关器件能承受宽范围工况下的浪涌与启动应力。
四、工作与保护机制
芯片通过原边反馈检测辅助绕组或初级电压以实现 CV/CC 控制，支持 PFM 以降低轻载功耗，QR 或 PWM 用于稳态与中重载优化。完整保护集合（OTP、SCP、OVP、OCP）保证器件与系统在异常工况下可靠关断或限流。
五、典型应用
- 手机/平板充电器、便携式适配器；
- 智能家电的小功率开关电源；
- LED 驱动及通用消费电子电源。
六、设计与布局建议
- 变压器与续流元件按反激设计规范选型，关注漏感与匝比；
- 原边反馈环路要保证采样点稳定，滤波与补偿考虑负载变化下的响应；
- 散热上，SO-8 封装与功率元件靠近放置，并提供足够铜箔散热；
- 过压、浪涌情形下建议配合 TVS、RCD/Clamp 抑制瞬态能量。
七、优势与限制
优势在于原边反馈省去光耦、集成性高、支持多种调制方式以优化效率与轻载功耗；限制在于原边反馈精度受辅助绕组及漏感影响，需通过变压器与补偿网络优化。
八、结语
SY50213WFAC 以其完整保护、灵活调制与高压耐受特性，适合追求成本与体积优化的小功率开关电源设计。在实际应用中应重视反馈精度、热管理与磁性器件选型，以确保最终系统的稳定与可靠。
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