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拆解报告:机乐堂35W双C口充电器

 2 years ago
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苹果在 WWDC22 上发布了MacBook Air 2022、MacBook Pro 13 2022,它配备了全新的苹果 35W 双 USB-C 充电器,该充电器在 4 月时就已曝光过,这次终于作为标配登场。 实际上在消息爆料后,很多品牌厂商就已经相继跟进,目前市面上早已有很多款对标苹果35W快充的产品了。

最近JOYROOM机乐堂就推出了这样一款35W双C口充电器L-2P351。 不仅外观很相似,这款充电器也配备双USB-C接口,单口输出性能相同支持功率盲插,最大可为设备提供35W充电功率,此外每个接口都兼容市面全主流快充协议,可以让用户获得不亚于苹果新款充电器的充电体验。下面充电头网就对其进行拆解,看看做工用料如何。 

机乐堂35W双C口充电器开箱

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 充电器顶面和侧身采用一体式白色外壳,表面高光亮面处理,边角过渡圆润。 

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 底部外壳为灰色,平直切面设计,可以很好贴合墙插、插座,使用稳定。 

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 机身两侧设有小凹面,方便用户插拔使用。 

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 输出端配有两个USB-C接口,白色胶芯。 

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 底部外壳上印有充电器参数型号:L-2P351输入:100-240V~50/60HZ 0.8AUSB-C1输出:5V=3A,9V=3A,15V=2.33A,20V=1.75A,PPS:3.3-11V=3A (Max)USB-C2输出:5V=3A,9V=3A,15V=2.33A,20V=1.75APPS:3.3-11V=3A (Max)USB-C1+USB-C2输出:15W+15W(30W Max)总功率:35W (Max)制造商:深圳市橙果电子有限公司监制:深圳市耐拓能源科技有限公司充电器已经通过了CCC认证。 

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 充电器配备可折叠国标插脚,携带方便且不会刮伤包里其它设备。 

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 测得充电器机身高度为28.03mm。 

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 宽度为49.75mm。 

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 厚度为49.6mm。 

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 和苹果30W充电器对比,整体要小一圈。 

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 充电器拿在手上的大小直观感受。 

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 净重约为82g。 

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 使用ChargerLAB POWER-Z KT002测得USB-C1口支持QC2.0/3.0、AFC、FCP、SCP、PE2.0、PD3.0、PPS全主流快充协议。 

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此外PDO报文显示C1口还具备5V=3A、9V=3A、15V=2.33A、20V=1.75A四组固定电压档位,以及3.3-11V=3A一组PPS电压档位。 

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 测得C2口兼容协议和C1口的相同。 

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 PDO报文也完全一样,两个C口单口输出性能完全一样,支持功率盲插,使用方便。

机乐堂35W双C口充电器拆解

 对机乐堂这款35W双C口充电器有了基本了解后,下面继续对其进行拆解,看看用料做工如何。 

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 将充电器底部外壳拆开,超声波焊接封装,内部填充硅胶导热。 

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 充电器模块PCB板背面朝上,机身壳顶部设有导热垫帮助电路板背面芯片导热。 

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 除导热垫外,顶部还有绝缘麦拉片和黄铜散热片,使用胶带粘贴在一起,配合导热垫为电路板上的器件散热。 

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 测得模块长度为44.4mm。 

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 宽度为43.89mm。 

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 厚度为22.59mm。 

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 PCB板正面一览,明显可以看到板子上设有两路独立开关电源电路,变压器和输出小板间有绝缘板进行隔离。 

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 板子背面一览,两路开关电源主控芯片均来自大厂PI,苹果原装充电器同厂芯片,高度集成,背面看上去相当简洁。 通过观察发现,充电器两路电路均采用经典QR开关电源架构设计,下面我们从输入端开始了解各器件。 

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 板子前端设有延时保险丝、NTC热敏电阻、共模电感以及安规X电容,两路电路共用。 

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 延时保险丝来自诚润电子,规格为3.15A 250V。 

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 NTC热敏电阻特写,型号3D-7,直径7mm,冷态电阻3Ω,用于抑制上电浪涌电流。 

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 共模电感特写,底部焊接绝缘支架,用于滤除EMI干扰。 

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 安规X电容特写。 

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 MB30M整流桥,用于将交流电整流为脉动直流电。 

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 103 1KV高压瓷片电容特写。 

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 差模电感外套热缩管绝缘。 

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 板子一侧设有高压滤波电解电容、主控芯片供电电容以及变压器。 

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 另一侧是相同器件设计,两路电路的用料一样。 

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 两路的高压滤波电解电容一样,来自KT凯特,规格均为400V 27μF。 

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 主控芯片供电电容也相同,规格为50V 10μF,来自凯特。 

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 开关电源主控芯片采用PI INN3365C,集成PWM控制器、初级开关管以及同步整流控制器,具有集成度高、高效节能、先进的保护/安全等特性。 

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 另一路开关电源主控芯片也是采用PI的INN3365C。 

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 两颗变压器特写。 

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 贴片Y电容来自四川特锐祥科技股份有限公司,具有体积小、重量轻等特色,非常适合应用于氮化镓快充这类高密度电源产品中,料号TMY1102M。 特锐祥专注于被动元器件的研发、生产及销售,注册资本1亿元。旗下有自主电容品牌两类:SMD TRX及DIP TY电容器,TRX将致力于陶瓷材料的研究,以拓展更多品类的应用,为客户提供更多的解决方案。        

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 充电头网了解到,特锐祥贴片Y电容除了被贝尔金、安克、QCY、声丽、麦多多、OPPO、联想、努比亚、倍思、海陆通、第一卫等品牌的数十款快充产品使用,此外还被伊戈尔40W LED驱动电源、长虹42英寸智能网络电视42P3F内置电源、卓飞航45W氮化镓超快墙充等产品使用,性能获得客户一致认可。 

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 输出端垂直焊接一块小板,两侧各设有一颗滤波固态电容。 

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 在固态电容旁边还各有一颗同步整流管。 

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 同步整流管采用砹德曼AD100N60D5,NMOS,耐压100V,导阻10.5mΩ,PPAK5x6封装。 

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 另一路电路输出同步整流管也是采用砹德曼AD100N60D5。 

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 两路输出滤波固态电容相同,均来自BERYL绿宝石,BC系列,规格都是25V 470μF。 

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 输出端小板正面设有协议芯片、MOS管,并垂直焊接两个USB-C母座。 

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 小板背面一览,设有小电容、电阻等器件。 

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 协议芯片采用英集芯IP2738,两个接口输出均由其控制。IP2738是一颗双路协议芯片,支持双口18-140W快充应用,具备独立的反馈控制,具备独立的USB PD控制,相当于两颗IP2736整合到一颗芯片内部,快充规格与IP2736相同。支持USB PD3.1 28V EPR档位,并支持PD3.0/PPS等丰富全面的快充协议,兼容性非常好。 

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 英集芯 IP2738 详细资料。充电头网了解到,英集芯的其它系列快充芯片已被小米、华为、三星等大品牌的产品使用,性能质量获得客户的高度认可。 

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 四颗输出BUS开关管特写,两颗为砹德曼AD30N54D3,NMOS管,耐压30V,导阻5.7mΩ,采用P PAK3X3封装。另外两颗为威兆VS3622AE,NMOS,耐压30V,PDFN3333封装。使用四颗MOS管用于控制两路电源输出并联,支持35W功率输出。 

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 威兆 VS3622AE 详细资料信息。 充电头网拆解了解到,威兆MOS管广泛应用在充电器、无线充、车充、充电宝、储能电源等各个方面,并被华为、小米、紫米、三星、OPPO、VIVO、魅族、努比亚、倍思、公牛、网易智造等知名品牌的数十款产品采用,产品质量获得客户一致认可。 

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 USB-C母座特写。 

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 另一个USB-C母座特写。 

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全部拆解完毕,来张全家福。 

充电头网拆解总结

 机乐堂这款35W快充充电器配备折叠插脚以及双USB-C接口,整体便携性好并可最多同时给两台设备充电,适合差旅携带。此外接口兼容QC2.0/3.0、AFC、FCP、SCP、PE2.0、PD3.0、PPS全主流快充协议,满足苹果、三星、小米等大品牌设备快充需求。 

充电头网提供拆解了解到,充电器内部使用两路PI的高集成电源芯片,搭配英集芯IP2738双路协议芯片控制两个接口输出,这也是两个接口单口输出性能一致的原因。充电器模块内部灌胶及使用导热垫和铜片散热,温升更低更稳定。产品整体用料做工可靠。


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