WMSIC Electronic Components

Silergy SY59516FAC

ModelSY59516FAC
PackageSOP-8
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
silergy SY59516FAC
Type
SILERGY
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SY59516FAC
Electronic Component
1
Package
SOP-8
Electronic Component
AC-DC Controllers and Regulators
Electronic Component
0.179g
Electronic Component
1
Features
(OCP)
Electronic Component
Electronic Component
Electronic Component
BM0265434418
Operating Temperature
40℃~+150℃
Switching Frequency
25kHz~260kHz
Electronic Component
Electronic Component
Isolation
Non-isolated
Output Current
1A

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

矽力杰SY59516FAC 原边反馈非隔离AC-DC转换器产品概述

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。

一、产品核心定位与典型应用

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:

  1. 消费电子类:手机/平板充电器、智能穿戴设备电源、小型蓝牙音箱适配器;
  2. 智能家居类:智能灯控模块、传感器节点电源、WiFi模块供电;
  3. 工业辅助类:小型PLC辅助电源、低功率LED驱动(如应急灯);
  4. 车载电子类:车载USB充电器(适配-40℃~150℃宽温环境)。

二、关键技术参数与性能优势

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

三、核心特性与保护机制

1. 原边反馈架构简化设计

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。

2. 宽开关频率优化EMI

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。

3. 集成高压功率管降低损耗

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。

4. 完善保护功能保障可靠性

  • 过流保护(OCP):输出电流超过阈值时关断,负载短路后自动重启;
  • 过压保护(OVP):输出电压异常升高时关断,保护后级负载;
  • 欠压锁定(UVLO):输入电压低于启动阈值时不工作,避免低电压损坏;
  • 过温保护(OTP):结温超过150℃时关断,温度下降后自动恢复,保障器件安全。

四、设计要点与应用注意事项

  1. 电路简化:原边反馈无需副边回路,PCB布局仅需关注原边绕组与滤波电容的位置,减少布线复杂度;
  2. EMI优化:建议在输入侧增加X电容(0.1μF)与共模电感,输出侧增加10μF电解电容+1μF陶瓷电容,可快速满足EMI要求;
  3. 安规设计:非隔离方案需注意输出与输入的安规距离(≥8mm),避免触电风险,可采用隔离胶带或垫高元件;
  4. 散热优化:耗散功率1.1W,可通过增加GND引脚铜箔面积(≥10mm²)提升散热效率,小封装下无需额外散热片。

五、封装与可靠性

  • 封装形式:SOT-23-6(3mm×3mm小尺寸),适合高密度PCB设计;
  • 可靠性:符合RoHS 2.0标准(无铅无镉),通过ESD认证(HBM 2kV),工作寿命≥50000小时;
  • 认证支持:支持CE、UL等安规认证,可快速通过终端产品的安全与电磁兼容认证。

总结

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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