【产品】内置过流保护OCP的Type-C单口快充协议芯片CH235S，支持3.3V~12.5V宽电压输入

时间： 2022-08-22 来源：沁恒

技术问答

CH235S为ESSOP-10封装的Type-C单口快充协议芯片，支持PD3.0/2.0、PPS等Type-C快充协议，并且支持BC1.2等Type-A 快充协议。CH235S多快充协议芯片支持TL431等各类电压基准或DC-DC系统的FB灌电流调节，集成VBUS检测与放电功能，并且提供过压、欠压、过流、过温保护功能。CH231K为CH235S的精简版本，使用SOT23-6L封装，并省去了DP/DM 相关的Type-A协议支持、VBUS放电功能、电流补偿与保护功能、过温保护功能。

功能特点

支持3.3V-12.5V宽电压输入

支持PD2.0/3.0、PPS、BC1.2等多种快充协议

支持TL431和DC-DC等器件的FB灌电流调节，调压精度20mV

支持100mV/1A线缆补偿

内置过流保护OCP、过温保护OTP、电源过压保护OVP、欠压保护UVP

封装形式如下：

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