![How to design a proper USB-C™ power sink (hint, not the way Raspberry Pi 4 did it) | by Benson Leung | Medium How to design a proper USB-C™ power sink (hint, not the way Raspberry Pi 4 did it) | by Benson Leung | Medium](https://miro.medium.com/max/1400/1*Sh12bTBeMjkxFMtREBNxyg.png)
How to design a proper USB-C™ power sink (hint, not the way Raspberry Pi 4 did it) | by Benson Leung | Medium
![How to design a proper USB-C™ power sink (hint, not the way Raspberry Pi 4 did it) | by Benson Leung | Medium How to design a proper USB-C™ power sink (hint, not the way Raspberry Pi 4 did it) | by Benson Leung | Medium](https://www.scorpia.co.uk/wp-content/uploads/2019/06/image-300x292.png)
How to design a proper USB-C™ power sink (hint, not the way Raspberry Pi 4 did it) | by Benson Leung | Medium
![Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version) Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version)](http://1.bp.blogspot.com/-MeDQDtxyuSE/U_F-lcfK78I/AAAAAAAAAfM/2kMzMfo8GIE/s1600/TypeC_host_device.jpg)
Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version)
![Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" / Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /](https://pbs.twimg.com/media/E9zwYWbXEAocTjc.jpg)
Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /
![Should SHIELD have connection to CC1 or CC2? I bought a cheap USB C cable and it's looks like CC1 and CC2 have connection with housing (SHIELD). : r/UsbCHardware Should SHIELD have connection to CC1 or CC2? I bought a cheap USB C cable and it's looks like CC1 and CC2 have connection with housing (SHIELD). : r/UsbCHardware](https://preview.redd.it/qoha0t5kqmb81.jpg?width=640&crop=smart&auto=webp&s=2c5e6c65c62a601d013ef0b84153641317500e5e)
Should SHIELD have connection to CC1 or CC2? I bought a cheap USB C cable and it's looks like CC1 and CC2 have connection with housing (SHIELD). : r/UsbCHardware
![Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" / Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /](https://pbs.twimg.com/media/E9zwYWaXIAkEuMf.jpg)
Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /
![Can USB Type-C 2.0 upstream (device) connect its CC pins and share a pull-down? - Electrical Engineering Stack Exchange Can USB Type-C 2.0 upstream (device) connect its CC pins and share a pull-down? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Hb6M5.png)