有多少人吃过jy
作者:充电头网
前言
随着苹果带起的35W双口快充风潮,不仅是35W,更高功率的双口快充同样大受欢迎。深圳市佳域电子有限公司就分别推出了35W和45W两款口氮化镓充电器。
佳域45W氮化镓充电器相较此前拆解的35W款式,外观一样,另外也是同样配备折叠美规插脚以及双USB-C接口。下面我们继续对这款充电器也进行拆解,看看内部又是如何设计的。
佳域45W充电器外观
这款充电器在外观上和此前拆解的35W款一样,机身通体黑色,表面磨砂亮面撞色设计。
腰身一面印有充电器参数
型号:JY-496-CC
输入:100-240V~50/60HZ 1.2A
USB-C1/C2输出:5V3A、9V3A、12V3A、15V3A、20V2.25A 45W Max
USB-C1+C2输出:C1 5V3A、9V2.77A、12V2.08A 25W
C2 5V3A、9V2.22A、12V1.67A 20W
制造商:深圳市佳域电子有限公司
充电器已经通过了ETL认证,以及VI级能效认证。
充电器配备可折叠美规插脚,携带方便且不会刮伤包里其它设备。
输出端配备时下热门双USB-C接口。
测得充电器机身高度为53.31mm。
宽度为40.9mm。
厚度为30.97mm。
和苹果30W充电器对比,体积优势明显。
拿在手上的大小直观感受。
充电器净重约为99g。
使用ChargerLAB POWER-Z KT002测得USB-C1口支持Apple2.4A、Samsung 5V2A、DCP协议,以及QC2.0/3.0、AFC、FCP、PD3.0、PPS快充协议。
PDO报文显示C1口还具备5V3A、9V3A、12V3A、15V3A、20V2.25A五组固定电压档位,以及3.3-21V2.25A一组PPS电压档位。
测得USB-C2口兼容协议和C1口的一样。
PDO报文也完全相同,即两个C口单口输出性能一样,支持功率盲插。
佳域45W充电器拆解
看完了充电器的开箱和测试,下面我们就对这款充电器进行拆解,看看内部是如何设计的,使用了什么方案。
将外壳拆开取出PCBA模块,正背面覆盖导热垫和散热片帮助散热。
测得模块长度为40.97mm。
宽度为36.46mm。
厚度为26.32mm。
拆掉散热片和导热垫,模块一侧以及输出端焊接小板,并且打胶加固。
模块正面一览,主板上主要焊接电容和变压器,也都打胶加固。
主板背面设有开关电源初级合封氮化镓芯片、次级同步整流芯片,光耦以及贴片Y电容。
输入端一览,在小板与电容间有一颗贴片保险丝。
将小板拆下,正面设有共模电感、安规X电容、NTC浪涌抑制电阻、差模电感和高压滤波电容。
背面设有一颗整流桥。
贴片保险丝来自诚润电子,额定电流2A。
NTC浪涌抑制电阻特写,用于抑制上电浪涌电流。
共模电感外套热缩管保护,双线绕制用于滤除MEI干扰。
安规X电容特写,容量0.1μF。
WRMSB40M整流桥来自深圳市沃尔德实业有限公司,这颗软桥通过较软的恢复曲线,比较平滑的关断特性,可以降低二极管结电容达到非常少的谐波振荡产生的效果。
沃尔德WRMSB40M详细资料信息。
充电头网了解到,沃尔德软桥还被OPPO 50W饼干氮化镓快充、鸿达顺65W 氮化镓充电器、飞频65W USB PD氮化镓充电器、ROCK 65W氮化镓充电器、麦多多65W氮化镓充电器、麦多多30W 1A1C快充充电器等多款产品采用,性能获得客户的一致认可。
差模电感外套绝缘管保护。
小板上的高压滤波电解电容特写,规格为400V 15μF。
主板上的三颗高压滤波电解电容也是同一个品牌,规格都是400V 22μF。
模块另一侧一览,中间设有变压器。
初级主控芯片采用东科DK045G,是一款高度集成了650V/400mΩ GaN HEMT 的准谐振反激控制 AC-DC 功率开关芯片,支持45W及以下功率应用。DK045G检测功率管漏极和源极之间的电压(VDS),当 VDS达到其最低值时开启功率管,从而减小开关损耗并改善电磁干扰。
东科DK065G采用PDFN5*6封装模式,可广泛应用于高功率密度PD快充、笔记本平板电脑适配器以及辅助和待机电源。
DK045G极大的简化了反激式AC-DC转换器的设计和制造,尤其是需要高转化效率和高功率密 度的产品。DK045G具备完善的保护功能:输出过压保护(OVP),VCC过欠压保护,过温保护(OTP), 开环保护,输出过流保护(OCP)等。
变压器特写,ATQ2313磁芯。
亿光EL 1019光耦用于输出电压反馈。
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。料号为TMY1222M。
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。
充电头网了解到,特锐祥贴片Y电容除了被倍思高通QC5认证100W氮化镓快充、麦多多100W氮化镓、OPPO 65W超级闪充氮化镓充电器、联想90W氮化镓快充、努比亚65W氮化镓充电器、倍思120W氮化镓+碳化硅PD快充充电器等数十款大功率充电器使用外,也可应用于海陆通、第一卫、贝尔金等品牌20W迷你快充上,性能获得客户一致认可。
同步整流芯片来自东科,丝印100R10M,实际型号为DK5V100R10M,是一款零外围的同步整流芯片,内置100V耐压,10mΩ导阻的同步整流管,支持CCM,DCM和QR运行模式,可直接替代肖特基二极管,提升电源转换效率。
东科 DK5V100R10M 详细资料。
模块输出端焊接一块小板,板子正面焊接降压电感、固态电容以及两个USB-C母座。主板上也有一颗固态电容,外套黄色胶套进行保护。
将小板拆下,背面也设有电感、电容以及协议芯片。
主板上的输出滤波电容来自永铭,为NPX系列固态电容,规格为680μF 25V。
两个C口降压协议IC均采用云矽半导体XPM52C,内置功率MOS,支持最高65W输出,支持5-20V PD快充,3.3-21V PPS快充,最大输出电流5A,满足手机和笔记本电脑的充电需求,并能为手机提供大功率PPS快充。芯片内置线损补偿,并具有CC/CV特性,自带软启动功能。同时还内置全面的保护功能,包括输入过压、欠压保护,输出短路和输出过流保护,内置过热保护,引脚支持4KV ESD保护。
XPM52C内置的协议模块支持QC2.0/3.0/3.0+快充协议,支持小米27W快充协议,支持华为FCP/SCP/HVSCP快充协议,支持三星AFC快充协议,支持VOOC快充和PE以及苹果2.4A等快充协议。针对多口应用,XPM52C还支持富满特有的XP-LINK通信功能,多颗芯片可以通过单引脚通信,根据输出功率,调节空闲端口的输出功率,无需外置单片机,进一步简化多口充电器的设计。
用于双口降压应用的电路图,除自举电容及必须的电感电容外,XP-LINK总线仅需一颗10KΩ电阻下拉,外围电路非常精简。
充电头网拆解了解到,云矽半导体XPD系列快充协议芯片已被公牛,贝尔金,联想,诺基亚,飞利浦,傲基,倍思,品胜,摩米士等多个品牌的数十款产品采用,抓住20W PD快充风口,富满集团云矽半导体单月PD协议芯片销量突破千万颗。
另一颗云矽半导体XPM52C特写。
降压电感特写,外套绝缘管保护,同时打胶加固。
降压输出滤波固态电容特写,规格为25V 220μF。
两个USB-C母座特写。
全部拆解完毕,来张全家福。
充电头网拆解总结
佳域45W氮化镓充电器配备时下热门的双USB-C接口,都支持QC2.0/3.0、AFC、FCP、PD3.0、PPS快充协议,具备5-20V五组固定电压档位以及3.3-21V2.25A一组PPS电压档位,支持功率盲插使用方便。功率的提升使其不仅可以充手机、平板等设备,也能满足部分笔电的快充需求。
充电头网通过拆解发现,这款45W氮化镓快充不仅外观一样,内部结构设计也和35W的相同。内置东科DK045G+DK5V100R10M高集成合封氮化镓快充电源方案,输出端也采用了云矽XPM52C高集成降压方案,极大简化电路设计同时降低系统成本。
两款充电器都采用了东科的合封氮化镓电源方案,足见东科该系列产品已经实现量产上市,能够满足客户各种功率快充设计,加速产品上市更快抓住市场机遇。
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蔡会以17378345944 ______ 这位朋友你好:我刚开始时候和你一样,非常茫然,心情烦透了.后来我的老公介绍一个朋友给我.是做虚拟的充值,当时我什么都不懂,在这个朋友的指导下学了三个多月就稳定赚钱了,当然三个月间我也学了不少东西.后来想一想,如果当时随便找一个上家肯定没有这么好的.所以我觉得上家很重要,不然不会有现在的我.我很明白刚在网上创业有多难的,所以今天来给大家介绍一下.这个朋友的网站可以在百度搜索【赚钱赚信誉对接功能】找到!网站地址是一起寻交易【7xjy】祝您早日成功!
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