Question regarding custom PCB design for power management.
Posted: Sun Jul 24, 2022 1:33 pm
I have a question while I am currently developing own custom ESP32-s3 based design.
The question is about how to manage power requirement for the board and external RGB LED strips connected via the board.
The thing is that the LED strip may require currents upto five to seven Ampere, while the board only requires less than 1A.
On board I am using a 5V to 3.3V regulator chip to convert the voltage so that I can power the board via USB.
What about the LED strip? What are my options? I will need one GPIO for driving these strips and let's say I keep comman ground. What about power line which powers the main board on less current and LED strips with current more than 5Amps?
The question is about how to manage power requirement for the board and external RGB LED strips connected via the board.
The thing is that the LED strip may require currents upto five to seven Ampere, while the board only requires less than 1A.
On board I am using a 5V to 3.3V regulator chip to convert the voltage so that I can power the board via USB.
What about the LED strip? What are my options? I will need one GPIO for driving these strips and let's say I keep comman ground. What about power line which powers the main board on less current and LED strips with current more than 5Amps?