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USB EZ-PD™ Type-C Forum Discussions

shli_2554466
Level 1
Level 1

参考PB812B的设计,测试两个产品之间不能相互充电,快充协议也没有握手成功。软件上需要做哪些调整或者配置吗?

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YiZ_31
Moderator
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Hi Shenquan,

pastedImage_0.png

从log可以看出,每当PS_RDY之后CC上电压应该发生了变化,导致CCG3PA重新发送source_cap,这个间隔有3秒多。你可以用示波器测量这段时间的电压变化。

Regards,
Eddie

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YiZ_31
Moderator
Moderator
Moderator
1000 replies posted 750 replies posted 500 replies posted

Hi Shenquan,

根据你的描述: "测试两个产品之间不能相互充电,快充协议也没有握手成功"

你有相应的CC log吗?

Regards,
Eddie

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有cc log的,如何上传?

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YiZ_31
Moderator
Moderator
Moderator
1000 replies posted 750 replies posted 500 replies posted

pastedImage_0.png

你点右上角的Use advanced editor

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Hi Eddie:

     CC log见附件。

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YiZ_31
Moderator
Moderator
Moderator
1000 replies posted 750 replies posted 500 replies posted

Hi Shenquan,

pastedImage_0.png

从log可以看出,每当PS_RDY之后CC上电压应该发生了变化,导致CCG3PA重新发送source_cap,这个间隔有3秒多。你可以用示波器测量这段时间的电压变化。

Regards,
Eddie

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