【经验】基于InnoSwitch-CH控制器的低功耗智能照明系统电源参考设计,实现精密调光和色彩管理
智能照明控制子系统所需的待机功率通常会抵消高效LED提供的任何功率节省,Power Integrations和照明专家Casambi Technologies的最新联合参考设计DER-612解决了这一问题,本文介绍了基于PI电源控制器的DER-612参考设计,该设计可通过智能手机应用程序在蓝牙上实现了精密的调光和色彩管理。
图1 基于PI的InnoSwitch-CH控制器的智能照明系统
该设计基于Power Integrations的InnoSwitch-CH电源控制器,该控制器包含内置的次级侧辅助电源输出,以支持射频和MCU控制电路。
InnoSwitch-CH的高效率和极低待机功率加上Casambi CBM-001蓝牙无线模块的低静态电流消耗使客户能够创建满足严格DOE-6规定的智能照明解决方案。
图2 采用InnoSwitch-CH的集成MOSFET、同步整流和反馈的离线反激式CV/CC开关IC电路设计图
DER-612参考设计方案描述的是一款CV/CC反激式电源,具有用于智能照明应用的功率因数校正电路。该设计包括一个3.3V电源,用于驱动Casambi CBM-001蓝牙无线模块,提供从零电流到400mA的四串LED负载的调光和色彩管理控制。
图3 采用InnoSwitch-CH实现DER-612参考设计的原理图
DER-612参考设计中所用到的电源IC控制器设备InnoSwitch-CH在一个表面安装的离线反激式开关IC中集成了初级侧、次级侧和反馈电路。它包括了主FET、初级侧控制器和次级侧同步整流控制器。该器件还包括一项创新的新技术FluxLink™,可安全地桥接隔离栅,而无需光耦合器。
InnoSwitch-CH离线反激式开关IC增加的填谷无源功率因数校正电路是一种简单且低成本的解决方案,可满足照明应用的功率因数要求。使用InnoSwitch-CH的DER-612能够提供高效恒压电源,具有快速瞬态负载响应。该设计在低压线下实现了高功率因数(0.9)。关键的设计目标是高效率,优化的功率因数和低元件数量。
DER-612参考设计总结和特点:
·精确的恒压调节
·快速瞬态负载响应
·高功率因数
·高效节能
·待机功耗低
·元件数量少
·集成保护和可靠性功能:
-输出短路保护
-线路和输出OVP
-线路浪涌或线路过压保护
-过热关机,具有迟滞自动功率恢复功能
·在线路欠压或过压条件下不会造成器件损坏
·符合IEC规定的2.5kV环形波、2kV差分浪涌条件
·符合EN55015标准的传导EMI
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本文由Tigerhoho翻译自Power Integrations,版权归世强硬创平台所有,非经授权,任何媒体、网站或个人不得转载,授权转载时须注明“来源:世强硬创平台”。
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型号- SC1933C,SC1936C
65 W Isolated Flyback Power Supply Using InnoSwitch™3-EP PowiGaN™ INN3679C-H606 and MinE-CAP™ MIN1072M
型号- DFLR1800-7,ERJ-8GEYJ240V,299-1M-RC,INNOSWITCH3-EP,MINE-CAP,BAV19WS-7-F,ERJ-3GEYJ470V,CGA3E1X7R1E105K080AE,C0402C102K5RACTU,EWH2CM330F16OT,UVR1V220MDD6TP,440LD10-R,GRM21BR61E226ME44L,INN3679C-H606,RLB0914-470KL,R46KF310000P1M,LMK212B7475KGHT,ERJ-2RKF1693X,ERJ-8GEYJ100V,SPZ1EM821F16O00RAXXX,MIN1072M,CRF0805-FZ-R009ELF,ERK2G9220F16OTO,ERJ-8GEYJ205V,Z4DGP406L-HF,CF18JT1M80,BAV20WS-7-F,C1206C102KBRACTU,GRM188R71A225KE15D,AON6220,ERJ-3GEYJ302V,ERJ-2RKF1152X,06032C102KAT2A,ERJ-8GEYJ474V,ERJ-8GEYJ395V,507-1181
【经验】离线式开关IC LNK364PN助力非隔离式电磁炉用辅助电源低成本应用方案
本文讲述Power Intagrations推出的LinkSwitch-XT系列离线式开关IC LNK364PN在非隔离式电磁炉用辅助电源中的应用。输入电压为185 – 265 VAC,输出电压为5 V, 100 mA / 18 V, 300 mA,采用反激式拓扑结构。
设计经验 发布时间 : 2018-12-07
电子商城
现货市场
品牌:PI
品类:Energy Efficient, High-Power Off-Line Switcher with Accurate Primary-Side Regulation (PSR)
价格:¥4.0974
现货:3,840
品牌:PI
品类:Energy Efficient, High-Power Off-Line Switcher with Accurate Primary-Side Regulation (PSR)
价格:¥5.1009
现货:3,840
品牌:PI
品类:Energy Efficient, High-Power Off-Line Switcher with Accurate Primary-Side Regulation (PSR)
价格:¥6.6060
现货:3,840
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使用FloTHERM和Smart CFD软件,提供前期热仿真模拟、结构设计调整建议、中期样品测试和后期生产供应的一站式服务,热仿真技术团队专业指导。
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