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【速搜问答】emark芯片是什么

问答 admin 2年前 (2020-05-26) 1585次浏览 已收录 0个评论

汉英对照:
Chinese-English Translation:

E-mark是封装有E-Marker芯片的USB Type-C有源电缆,DFP和UFP利用PD协议可以读取该电缆的属性:电源传输能力,数据传输能力,ID等信息,所有全功能的Type-C电缆都应该封装有E-Marker。

E-MARK is a USB type-C active cable encapsulated with e-marker chip. DFP and UFP can read the properties of the cable by using PD protocol: power transmission capacity, data transmission capacity, ID and other information. All full-function type-C cables should be encapsulated with e-marker.

E-mark,全称为:Electronically Marked Cable: 封装有 E-Marker 芯片的 USB Type-C 有源电缆,DFP 和 UFP 利用 PD 协议可以读取该电缆的属性:电源传输能力,数据传输能力,ID 等信息,所有全功能的 Type-C 电缆都应该封装有 E-Marker(日常操作中,我们将 3A 以上电流线缆要求必须带有 E-mark 芯片).

E-MARK, full name: electronically marked cable: USB type-C active cable encapsulated with e-marker chip. DFP and UFP can read the properties of the cable using PD protocol: power transmission capacity, data transmission capacity, ID and other information. All full-function type-C cables should be sealed with e-marker (in daily operation, we will seal 3A The above current cables must be equipped with E-MARK chip

使用 E-mark 第一原则:如果您希望通过 USB TYPE-C 接口来提供超过 5V 的电压,或者是超过 3A 的电流,那么一定需要 TYPE-C 接口芯片去实现 USB PD 协议。

The first principle of using E-MARK: if you want to provide more than 5V voltage or more than 3A current through the USB type-C interface, you must use the type-C interface chip to implement the USB PD protocol.

使用 E-mark 第二原则:如果您的设备使用 5V 电压,并且不超过 3A 的电流。那就要看设备本身的供电特性和数据传输特性,如果设备本身只往外供电,或者只接受对方供电,并且供电角色与数据传输角色为默认搭配(即供电方为 HOST,用电方为 Slave 或者 device),那么你不需要 TYPE-C 芯片。

Use the second principle of E-mark: if your device uses 5V voltage and does not exceed 3A current. It depends on the power supply characteristics and data transmission characteristics of the device itself. If the device itself only supplies power to the outside, or only receives power from the other party, and the power supply role and data transmission role are matched by default (that is, the power supply side is host, the power user is slave or device), then you do not need type-C chip.

使用 E-mark 第三原则:这两个原则是用来判断设备上是否需要 TYPE-C 芯片,另外一点很受关注的 C-C 传输线上是否需要用到 E-MARKER 芯片,这个判断标准是,使用过程中,电流是否会超过 3A?如果不超过,则可以不需要, A to C, B to C 的线,则看是否需要实现 Battery Charging 协议,如果要实现,则可以使用 LDR6013,带来的好处是,既能够实现充电,又能够传输数据,避免某些不遵守 Battery Charging 协议的适配器无法给苹果设备充电的问题。

The third principle of using E-MARK: these two principles are used to determine whether type-C chip is needed on the device, and whether e-maker chip is needed on the C-C transmission line of great concern. This criterion is whether the current will exceed 3A during the use process? If it’s not more than, you don’t need A-to-C, B-to-C lines. See if you need to implement the battery charging protocol. If you want to implement it, you can use ldr6013. The advantage is that you can not only charge, but also transmit data, avoiding the problem that some adapters that don’t comply with the battery charging protocol can’t charge Apple devices.


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