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Silergy SY50211WAZC
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- silergy SY50211WAZC
- Type
- SILERGY
- Minimum package
- 7500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SILERGY
- Electronic Component
- SY50211WAZC
- Electronic Component
- 1
- Package
- SOT-335
- Electronic Component
- AC-DC Controllers and Regulators
- Electronic Component
- 0.126g
- Electronic Component
- 1
- Features
- (CC); (CV); (OTP); (SCP); (OVP); (OCP)
- Electronic Component
- Electronic Component
- Electronic Component
- BM0265429218
- Electronic Component
- PFM; QR; PWM
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 6V~18V
- Switching Frequency
- 500Hz~72kHz
- 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SY50211WAZC产品概述
一、核心身份与市场定位
SY50211WAZC是矽力杰（Silergy）推出的隔离式原边反馈反激式电源控制器，专为中小功率隔离供电场景设计。其核心优势在于通过原边反馈技术替代传统光耦+次级反馈电路，既简化硬件设计、降低系统成本，又保留隔离电源的安全特性，适配多类需要电气隔离的电子设备。
二、关键参数的实用亮点
该器件参数精准匹配中小功率隔离电源需求，核心亮点包括：
- 宽输入输出范围：工作电压覆盖6V~18V（适配12V、15V等常见辅助电源），输出电流支持1A，满足小型充电模块、传感器电源等负载需求；
- 高耐压与低功耗：内置晶体管耐压达800V，可直接适配市电整流后的高压母线（220VAC整流后约310V，裕量充足）；自身耗散功率仅670mW，减少系统额外功耗；
- 灵活频率调节：开关频率覆盖500Hz~72kHz，可根据负载工况调整，平衡效率与电磁干扰（EMI）。
三、全面的保护功能体系
为提升系统可靠性，SY50211WAZC内置多维度保护机制：
- 过压保护（OVP）：输出电压超阈值时自动关断，防止负载损坏；
- 恒压（CV）/恒流（CC）模式：支持模式切换，CV适配稳压类负载（如通信模块），CC适配充电类负载（如电池充电）；
- 短路/过流保护（SCP/OCP）：输出短路或电流超1A阈值时快速关断，避免器件烧毁；
- 过热保护（OTP）：芯片温度超125℃时触发保护，防止热失控。
四、灵活的调制与拓扑设计
- 拓扑结构：采用反激式拓扑，天然具备电气隔离特性，满足安全认证要求；
- 调制模式：支持三种模式适配不同工况：
- QR（准谐振）模式：开关管谷底导通，降低开关损耗，提升重载效率；
- PFM（脉冲频率调制）：轻载时降低频率，减少开关损耗，提高轻载效率；
- PWM（脉冲宽度调制）：重载时稳定占空比，保证输出精度。
五、典型应用场景
基于特性，SY50211WAZC广泛适配：
- 消费电子：手机充电器、智能音箱、路由器等小型隔离电源；
- 工业控制：PLC辅助电源、传感器隔离模块、工业摄像头电源；
- 车载电子：12V输入的车载隔离电源（如车载充电器、行车记录仪）；
- LED驱动：低功率隔离LED照明（如台灯、应急灯）。
六、小封装与宽温可靠性
- 封装形式：SOT-335小封装，尺寸紧凑，节省PCB空间，适合小型化产品；
- 宽温工作：-40℃~+125℃，适应工业户外、车载低温/高温场景，可靠性突出。
综上，SY50211WAZC通过原边反馈简化设计、全面保护提升可靠性、灵活调制优化效率，是中小功率隔离电源的高性价比选择。
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