Circuit Documentation

Summary

This document provides a detailed overview of a circuit design that includes a 15.6-inch capacitive touch display, a Raspberry Pi 3B, a USB Type C Power Delivery Dummy Breakout, and two buck converters. The circuit is designed to power the display and the Raspberry Pi, and to facilitate communication between the Raspberry Pi and the display.

Component List

15.6HP-CAPQLED

• Description: 15.6-inch capacitive touch display
• Pins:
  • Micro USB Touch Port
  • Power Input 3.5mm Barrel (12V 1A)
  • HDMI
  • Button Board Connector
  • 4 Pin Speaker Port
  • Audio Jack

Barrel Jack Male

• Description: Barrel jack for power input
• Pins:
  • Power Out
  • V+
  • V-

USB Type C Power Delivery Dummy Breakout - I2C or Fixed

• Description: USB Type C power delivery breakout board
• Pins:
  • SDA
  • SCL
  • V+
  • Vout
  • GND
  • Data -
  • Data +

Raspberry Pi 3B

• Description: Single-board computer
• Pins:
  • 1, 3, 5, 7, 9, 11, 13, 15, 17, 21, 23, 25, 27, 29, 33, 37, 39, 40, 38, 36, 34, 32, 30, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2(5V), 19, 28, 31, 35
  • Power +
  • Power -
  • HDMI
  • USB 1, USB 2, USB 3, USB 4
  • Ethernet
  • Audio

Buck Converter (1)

• Description: DC-DC buck converter
• Pins:
  • IN+
  • IN-
  • OUT+
  • OUT-

Buck Converter (2)

• Description: DC-DC buck converter
• Pins:
  • IN+
  • IN-
  • OUT+
  • OUT-

Comment

• Description: Placeholder for comments
• Pins: None

Wiring Details

15.6HP-CAPQLED

• Micro USB Touch Port connected to Raspberry Pi 3B USB 1
• Power Input 3.5mm Barrel (12V 1A) connected to Barrel Jack Male Power Out
• HDMI connected to Raspberry Pi 3B HDMI

Barrel Jack Male

• Power Out connected to 15.6HP-CAPQLED Power Input 3.5mm Barrel (12V 1A)
• V+ connected to Buck Converter (2) OUT+
• V- connected to Buck Converter (2) OUT-

USB Type C Power Delivery Dummy Breakout - I2C or Fixed

• Vout connected to Buck Converter (2) IN+ and Buck Converter (1) IN+
• GND connected to Buck Converter (2) IN- and Buck Converter (1) IN-

Raspberry Pi 3B

• USB 1 connected to 15.6HP-CAPQLED Micro USB Touch Port
• HDMI connected to 15.6HP-CAPQLED HDMI
• Power + connected to Buck Converter (1) OUT+
• Power - connected to Buck Converter (1) OUT-

Buck Converter (1)

• OUT+ connected to Raspberry Pi 3B Power +
• OUT- connected to Raspberry Pi 3B Power -
• IN+ connected to USB Type C Power Delivery Dummy Breakout - I2C or Fixed Vout
• IN- connected to USB Type C Power Delivery Dummy Breakout - I2C or Fixed GND

Buck Converter (2)

• OUT+ connected to Barrel Jack Male V+
• OUT- connected to Barrel Jack Male V-
• IN+ connected to USB Type C Power Delivery Dummy Breakout - I2C or Fixed Vout
• IN- connected to USB Type C Power Delivery Dummy Breakout - I2C or Fixed GND

Code

No code is provided for this circuit.