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TPS25820: response to various attachments to its port

Amber Si
Intellectual 2165 points
Part Number: TPS25820

Tool/software:

Hi team,

I am confuse the below list in TPS25820 datasheet: When various type-c port, Why CC1 and CC2 have various status? Where Ra and Rd comes from ?

BR

Amber

  • 0
    TI__Mastermind 31950 points

    Hi,

    TPS25820 is a source only Type-C controller which mean the device will only present Rp. To form a connection in Type-C world the device needs to see pull down resistors from far end. Ra and Rd are pull down resistors from far end device but have different pull down resistance range

    Regards