![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
![Amazon.com: 2pcs 12 inch Type-C USB C Male PD Power Cable 5A Fast Charge 6 Wires CC1 CC2 Pigtail DIY, 1 feet : Electronics Amazon.com: 2pcs 12 inch Type-C USB C Male PD Power Cable 5A Fast Charge 6 Wires CC1 CC2 Pigtail DIY, 1 feet : Electronics](https://m.media-amazon.com/images/I/51sIFx2KaUL.jpg)
Amazon.com: 2pcs 12 inch Type-C USB C Male PD Power Cable 5A Fast Charge 6 Wires CC1 CC2 Pigtail DIY, 1 feet : Electronics
![Is it necessary to connect the CC1/CC2 pins to ground with a 5.1k resistor? I would like to make a pcb which has a female usb type c port which converts to Is it necessary to connect the CC1/CC2 pins to ground with a 5.1k resistor? I would like to make a pcb which has a female usb type c port which converts to](https://preview.redd.it/is-it-necessary-to-connect-the-cc1-cc2-pins-to-ground-with-v0-1jgv4d4glr0a1.png?width=640&crop=smart&auto=webp&s=c6ea2e2cc30809c2590b1fe62d20a02bfc314ceb)
Is it necessary to connect the CC1/CC2 pins to ground with a 5.1k resistor? I would like to make a pcb which has a female usb type c port which converts to
Why do USB-PD Traces sometimes show volage on CC1 AND CC2, and other times show voltage on only CC1 OR CC2?
![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" /
![Simple way to use USB Type-C to get 5V at up to 3A (15W) - Power - Engineering and Component Solution Forum - TechForum │ Digi-Key Simple way to use USB Type-C to get 5V at up to 3A (15W) - Power - Engineering and Component Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/c/c3a86011a5b4fe495bd91157570bb253474ca28a.png)