钰泰同步降压芯片ETA2845,输出电流为0.4A,被润众140W 3C1A氮化镓充电器采用
充电头网拿到了润众一款氮化镓充电器,其不仅配置了3C1A四个USB接口,同样还支持140W PD3.1快充性能,不仅可以实现苹果MacBook Pro全速快充需求,在外出差情况下,便携同时还能满足笔电、平板、手机等多设备同时快充,对商务人士相当友好。下面充电头网就对其进行拆解,看看产品内部的设计做工。
充电器采用PC防火材质白色外壳,整体为方块造型设计,风格十分简约。
输出端配置3C1A四个USB接口。
同步降压芯片来自钰泰半导体,丝印LA,型号ETA2845,是一颗38V输入电压的同步降压转换器,输出电流为0.4A,芯片开关频率为700KHz,采用电流模式控制,无需外部环路补偿元件,支持关断控制,支持欠压闭锁和过热关断,采用SOT23-6封装。
钰泰半导体ETA2845资料信息
充电头网拆解总结
润众这款充电器采用方块机身加折叠插脚理念设计,整体尺寸较小,可以方便商务人士携带出行。同时接口配置数量可观,3C1A接口最多可同时为四个设备供电,支持65W+45W+30W三口或65W+45W+18W四口输出策略,解决苹果系用户多设备同时快充需求。
充电头网通过拆解了解到,产品通过采用芯朋微PN8215方案,实现了无PFC级电路也能完成百瓦级快充设计,省去了PFC控制器以及PFC升压电感的使用,可以有效降低产品开发难度和成本,搭配高低压滤波电容切换功能,能够很好控制百瓦级快充产品的体积,实现产品小型化,为市场新品设计提供新选择。
产品开关电源为反激架构设计,初级氮化镓开关管采用纳微NV6138A,次级采用茂睿芯MK91816搭配上海贝岭MOS进行同步整流输出。输出端分别采用水芯电子M12359和智融SW3517P方案进行二次降压,控制3C1A四口输出。PCBA模块灌胶处理,使用器件也得到过市场检验,整体做工用料有保证。
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本文由Vicky转载自ETA SEMICONDUCTOR(充电头网公众号),原文标题为:拆解报告:润众140W 3C1A氮化镓快充充电器,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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型号- WE05DUCF,WMS140N06LG2,WMK043N10HGS,WEOS61089-17Q,WMM80R1K0S,WMB190DN10LG2,WMN26N65C4,WMQ30N04TS,WS4.5DPMF-BH,WMO35N06T1,WS6.3DFVH,WE05D5LC-B,SMF10CA,WS6.0P30SMC-B,SM4F36CA-AT,WMJ30N80M3,P8S24CA,WMN10N65C4,WS03D-B,WEOS4-100/300AS,WMN90R830S,WES806S,WMO048NV6LG4,WS18P6SMB,WMM12N80M3,WMM13N65EM,WECM5212Q,GDTN2RS3-470,WMK072N12LG2,WEOS4-150/270AS,WMLL025N10HGS,WMO80R480S,WMM90R360S,WMLL029NV8HGS,WMK05N70MM,WMK080N10LG2,WMN18N50C4,WS15D-B,WMR050N03LG4,5.0SMDJ20CAS,WMN15N60F2,WMN26N65F2,WMB120P06TS,WS64P6SMB-B,WEOS61089 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杰华特产品介绍
型号- JWM92130,JWQ31169,JWM9103EC,JWQ72151,JWQ11712,JWQ11711,JWQ11710,JWQ11716,JWQ5123,JWQ5244,JWQ5243,JWM9103A,JWQ5125,JWQ5246,JWQ7823,JWQXXXX,JWQ7821,JWQ7822,JWQ31040,JWQ71861,JWQ71860,JWQ31042,JWQ79610,JW80VBCD,JWQ11724,JWQ78482,JWQ5141,JWQ5140,JWQ7830,JWQ1182,JWQ6343,JWQ6346,JWM9102A,JW700BCD,JWQ1180,JWQ6348,JWQ3510,JWQ7835,JWQ3511,JW180BCD,JW110HV,JWQ79611,JWQ78432,JWQ11812,JW90BCD,JWQ78431,JW180HV,JWM9106EC,JWQ11XX,JWM9203CL,JWQ5273,JWQ71808D,JWQ5154,JWQ11816,JWQ1184,JWQ7841,JWQ40220,JWQ40100,JWQ3760,JWQ79808,JWQ7843,JWQ79804,JWQ79803,JWQ71884,JWQ79800,JWQ71520,JWQ79920,JWQ31021,JWM9203LF,JWQ71808S,JWQ6346A,JWQ117XX,JWQ118X,JWQ7065,JWQ7101,JWQ7189,JWQ5156,JWQ5276,JWQ7853,JWQ63341,JWQ71910,JWQ7215,JWQ5279,JWQ7850,JWM9215AEC,JWQ5217A,JWQ5159,JWQ7216,JWQ79915,JWQ3658,JWQ79910,JWQ31010,JWQ31002,JWQ4081,JWQ52902,JWQ52903,JWQ52904,JWM9202CL,JWQ40241,JWQ21042,JWQ40240,JWQ52XX,JWQ79708,JWM9202LF,JWQ31001,JWQXX,JWQ3119E,JWS82285,JWQ5582,JWQ40XX,JWQ3399,JWQ7911,JWQ5217,JWQ79818,JWQ74920,JWQ721XX,JWQ79720,JWM9210,JW65BCD,JWQ1149,JWM9123EC,JWQ71816D,JWQ40261,JWQ40260,JWQM93901,JWQ71845,JWQ5101,JWQ51XX,JWQ5100,JWQ5103,JWQ5102,JWQ55XX,JWQ5106,JWQ78XX,JWQ7806,JWQ7924,JWQ71816S,JWM9208,JWQ71804S,JWQ71841,JWQ71840,JWQM93903,JWQM93902,JWH5087A,MAXXXX92,JWQ3658A,JWQ119XX,JWQ11866,MAXXXX93,JWQ11864,JWM9220,JWQ11903,JW018BCD,JWQ5599,JWQ5513,JWQ79712
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洺太(SUNTEK)电源管理IC选型指南
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SCT2450 3.8V-36V Vin, 5A, High Efficiency Synchronous Step-down DCDC Converter with Programmable Frequency
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【选型】可PTP替代MP1482的同步整流降压芯片用于USB充电器,连续输出电流高达3A
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宝砾微最新升降压芯片PL5501已经实现量产交货,并成功进入某知名电商品牌的快充供应链,助力倍思65W 1A1C快充车充的开发。
应用方案 发布时间 : 2022-03-10
努比亚红魔涡轮散热背夹,内置两路钰泰ETA8113同步降压芯片,用于制冷片和风扇以及芯片供电
充电头网拿到了红魔涡轮散热背夹透明通用版并对其进行了拆解,其中,内置两路钰泰ETA8113同步降压,分别用于制冷片和风扇以及芯片供电。TA8113,是一颗18V输入,3A输出的同步降压转换器,具备超快的负载响应,轻负载下采用PFM模式提高效率,内部集成开关管,无需外部补偿电路,支持过热保护等保护功能,采用SOT23封装。
应用方案 发布时间 : 2024-10-22
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