About mrs

mrs · 2024-11-19

We try to use STUSB4761 for a 100W USB-PD Source.Test setup includes our PCB with STUSB4761 as power source, an e-marked 5A rated cable and Acroname "USBHub3c Pro Edition" as power sink.According to the log (see Attachement) of the USB PD communicati...

mrs · 2024-12-04

HiIs ist possible that STUSB4761 get confused by extended enquiries, i.e. by those “Get …” commands? See the attached logs.Because if I disable the "Auto Discovery" sequence in the test device the chip works as described in the datasheet.Best regards...

mrs · 2024-12-02

Thank you.Which testing equipment do you use?Best regards

mrs · 2024-12-01

Thank you.But why does STUSB4761 not keep the obtained cable information until detach?Best regards

mrs · 2024-11-27

Hello NathalieThank you for your reply.Our PD source will have a standard USB-C receptacle and is to be used with a standard, 5A rated and e-marked USB-C to USB-C cable, no captive cable will be involved.To your questions:1) Yes, I can confirm the po...

mrs · 2024-11-26

HiWe chose STUSB4761 because of its capability to check the cable. But it is exactly this case which does not work:If we use a cheap cable without e-marker, STUSB4761 correctly advertises 20V/3A only, and if I select this PDO it switches to 20V (and ...

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STUSB4761 rejects PDO with 5A

Re: STUSB4761 rejects PDO with 5A

Re: STUSB4761 rejects PDO with 5A

Re: STUSB4761 rejects PDO with 5A

Re: STUSB4761 rejects PDO with 5A

Re: STUSB4761 rejects PDO with 5A