【IC】沁恒新推USB Type-C线缆电子标签芯片CH252，VCONN支持2.7V至22V输入电压

时间： 2023-01-09 来源：沁恒官网

技术问答

CH252是一款USB Type-C线缆电子标签芯片，支持USB Type-C 2.1标准及USB PD 3.1标准，可用于各类Type-C线缆相关应用。CH252芯片内部集成VCONN二极管、Ra电阻和高压LDO，可以单芯片工作，无需外围器件。CH252出厂时内部烧录有默认配置，并支持成品线缆通过Type-C接口进行配置数据的更新烧写。每一片CH252除默认配置外，还支持至多3次配置数据的更新烧写，并具有数据锁定功能。CH252的出厂默认配置数据有多种可选。

功能特点

VCONN支持2.7V至22V输入电压

支持USB Type-C 2.1标准及USB PD 3.1标准

集成VCONN二极管和Ra电阻

VCONN/CC引脚耐压25V

支持配置数据更新烧录

支持EPR Mode

支持Discover SVIDs，Discover Modes，Enter Mode，Exit Mode消息

支持Get_Manufacturer_Info消息

支持Get_Status消息

应用场合

USB Type-C Passive Cable

USB4™ Passive Cable

引脚

CH252封装引脚排列

CH252L引脚功能说明

典型应用

Passive Cable，单端eMarker

Passive Cable，两端eMarker

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本文由Jessica_li转载自沁恒官网，原文标题为:USB Type-C 线缆电子标签芯片 CH252，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。

全部评论（2）

丝雨 Lv8. 研究员 2023-01-31

666
七彩风云 Lv6. 高级专家 2023-01-27

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