TIDUEV4B December   2019  – November 2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1  Processor – i.MX 7Dual Applications Processor
      2. 2.2.2  i.MX 7Dual Memory Interfaces
        1. 2.2.2.1 DDR3L
        2. 2.2.2.2 Quad SPI NOR Flash
        3. 2.2.2.3 eMMC iNAND
        4. 2.2.2.4 SD Card Connector
      3. 2.2.3  Audio CODEC
      4. 2.2.4  USB to UART Converter
      5. 2.2.5  USB Ports
      6. 2.2.6  LCD Screen Connector
      7. 2.2.7  Mobile Industry Processor Interface (MIPI) CSI Connector
      8. 2.2.8  Mini PCI Express Connector
      9. 2.2.9  CAN Transceiver and Standard Connector
      10. 2.2.10 JTAG Header
      11. 2.2.11 USB2ANY Header
      12. 2.2.12 Functional Switches and Status LEDs
    3. 2.3 Highlighted Products
      1. 2.3.1 TPS6521815 - Power Management IC
      2. 2.3.2 WL1831MOD - Wi-Fi + Bluetooth Module
      3. 2.3.3 DP83867CR - Ethernet PHY
      4. 2.3.4 OPT3001 - Ambient Light Sensor
      5. 2.3.5 INA3221 - Current Monitor
      6. 2.3.6 TPS3808 - Voltage Supervisor for Reset Scheme
      7. 2.3.7 TLV755P, TPS62067, TPS51200 - Auxiliary Power
    4. 2.4 System Design Theory
      1. 2.4.1 Power Estimation
      2. 2.4.2 Power Sequencing
      3. 2.4.3 I2C Device Chain
      4. 2.4.4 Clock Scheme
      5. 2.4.5 BOOT Configuration
      6. 2.4.6 PCB Floor Planning
  9. 3Getting Started, Testing Setup, and Test Results
    1. 3.1 Getting Started With Hardware and Software
      1. 3.1.1 Hardware
        1. 3.1.1.1 Onboard LED Information
      2. 3.1.2 Software
        1. 3.1.2.1 Booting of TIDA-050034
        2. 3.1.2.2 Example Linux Commands for Testing TIDA-050034
  10. 4Design Files
    1. 4.1 Schematics
    2. 4.2 Bill of Materials
    3. 4.3 CAD Files
    4. 4.4 Gerber Files
    5. 4.5 Assembly Drawings
  11. 5Software Files
  12. 6Documentation Support
    1. 6.1 Trademarks
    2.     59
  13. 7Revision History
  14.   A Processor Pin Mapping
    1.     A.1 i.MX 7Dual Pin Mapping

1 System Description

TIDA-050034 is first-and-foremost a reference design for powering the NXP i.MX 7Dual processor from the TPS6521815 PMIC. To show that the PMIC can power the processor, it makes the most sense to build a full evaluation kit (EVK) board with a variety of peripheral devices to assist with development of various end equipment. As a result, there are a variety of wired and wireless connections available, as well as multiple BOOT options. The end result of adding all the peripherals is that some external DC-DCs and LDO regulators have been added to provide more voltage rails and current delivery as needed. Finally, to make sure the entire board is operational, we developed and tested software using the open-source embedded Linux Yocto SDK to get started testing this design.