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SY59516FAC是矽力杰(Silergy)推出的一款中小功率原边反馈(PSR)非隔离AC-DC转换器,专为5W级(典型5V/1A)电源应用设计,集成高压功率管与完善保护功能,具备宽工作范围、低BOM成本、小型化等核心优势,可满足消费电子、工业控制、车载等多场景需求。
SY59516FAC定位于无需隔离的低功率电源解决方案,针对传统副边反馈方案(需光耦、TL431)成本高、电路复杂的痛点,通过原边采样实现输出控制,简化设计的同时提升可靠性。其典型应用场景包括:
SY59516FAC的核心参数覆盖全球市电与多场景需求,关键性能如下:
参数项 规格值 核心优势 输入电压范围 90VAC~264VAC(宽电压) 适配全球市电,无需额外电压转换 输出电流 最大1A 典型5V/1A输出,满足中小功率需求 开关频率范围 25kHz~260kHz 自适应调整,平衡效率与EMI 集成MOSFET耐压 500V 内置高压管,无需外部高压元件 耗散功率(Pd) 1.1W(典型值) 低功耗设计,效率≥85%(5V/1A) 工作结温范围 -40℃~+150℃ 宽温适应 harsh环境(如车载/户外) 反馈方式 原边反馈(PSR) 无副边元件,BOM成本降低30%+ 待机功耗 ≤100mW 符合能源之星V2.0待机标准无需副边光耦、TL431等元件,仅需原边绕组、整流桥、滤波电容即可实现稳定输出;通过原边绕组的电压/电流采样,精准控制输出电压与电流,避免光耦老化导致的性能衰减。
开关频率可自适应调整:轻载时降低频率提升效率,重载时稳定频率抑制EMI;25kHz~260kHz范围可避开FM广播等敏感频段,配合简单滤波即可满足EN55032 Class B标准,减少EMI设计成本。
内置500V N-MOSFET,导通电阻典型值12Ω,导通损耗低;无需外部高压管,进一步缩小PCB面积,适合小型化产品设计。
SY59516FAC凭借原边反馈架构、宽参数范围、完善保护及小体积优势,成为中小功率非隔离电源的高性价比选择,可有效降低终端产品的BOM成本与设计复杂度,满足多场景的可靠性与性能需求。
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WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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