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LDR6028 手机设备一边充电一边OTG传输数据方案
2022-06-27 03:28:00 【Legendary_008】
随着科学的进步,生产力的进步,时代的进步,电子产品的更新迭代,手机上面的接口越来越来少,甚至到后面手机没有任何接口。现在的手机只剩Type-c,那手机又要充电又要进行数据传输,那怎么办呢。那么你需要一个充电OTG二合一产品,如下图。
产品示意图
这就需要搭配乐得瑞LDR6028,一颗PD协议芯片来配置。完成充电和OTG同时进行的方案。
这个不仅仅适用这个产品方案,也非常适用领夹麦克风,扩展坞的方案。
LDR6028 SOP8 是乐得瑞科技针对 USB Type-C 标准中的 Bridge 设备而开发的 USB-C DRP
接口 USB PD 通信芯片。具备切换 Data Role 功能,并针对各大手机品牌的 USB-C 兼容性进行了
特别优化,适合于手机音频转接器应用场景。
2、特点
◇ SOP-8 封装,外围精简
◇ 支持 USB PD 2.0,兼容 USB PD 3.0
◇ 提供予智能设备(电脑,平板,手机) 5V PDO 及 REQUEST 协商
◇ 自动进行 DR_SWAP 转为 UFP 模式
3、应用
◇ USB TYPE-C 音频转接器
◇ USB Type-C HUB
参考原理图
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