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TPS25740A: About TPS25740A CC Question

Part Number: TPS25740A

Hi Sir,

Currently my customer test PD CC function by TPS25740A and MacBook.
1. Fig show as below. May I know CC voltage level and behavior is right? thanks.
2. Since customer feedback to me CC line voltage need met 1.67-1.7V, looks some device just 0.7~1V. This is TPS25740A error?

a. Customer test TPS25740A connect Apple stock cable / google c to c with Mac book pro 13

b. We verification TPS25740A connect passive cable to Mac book pro 13