EEVblog Electronics Community Forum

Electronics => Beginners => Topic started by: Freshman on March 15, 2025, 01:19:42 pm

Title: Device powering from USB type-C
Post by: Freshman on March 15, 2025, 01:19:42 pm

So, I am planning to build a device that is going to take the input power and data from USB Type-C connector from a laptop.

I need some suggestions on a couple of questions.

I am planning the device to not take more than 2A overall.
I am going to power the device from the USB Type-C connector. USB Type-C Default (Without PD negotiation): 5V @ 1.5A (7.5W) or 5V @ 3A (15W) depending on the host capability So, I don't think power is going to be an issue.

Using the same Type-C USB connector, there will be some data that is going to be provided to my device. I was thinking of some 32-bit microcontroller, say SAMD21, but it doesn't support USB3.0

Any suggestions on what some low cost microcontroller that will support USB3.0 with OTA?

Title: Re: Device powering from USB type-C
Post by: DavidAlfa on March 15, 2025, 02:06:18 pm

Do you need usb 3.0?
USB 3.0 sockets fully support USB 2.0 mode.