SLVUDS2 June   2026

 

  1.   1
  2.    Description
  3.   Get Started
  4.    Features
  5.    Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Overview
    2. 2.2 TPS7B780x-Q1
      1. 2.2.1 TPS7B780x-Q1 Jumpers
      2. 2.2.2 TPS7B780x-Q1 Interfaces
    3. 2.3 Pullup Regulator
      1. 2.3.1 Pullup Regulator Jumpers
    4. 2.4 USB-to-I2C Adapter
      1. 2.4.1 USB-to-I2C Adapter Jumpers
      2. 2.4.2 USB-to-I2C Adapter Interfaces
      3. 2.4.3 USB-to-I2C Adapter LEDs
      4. 2.4.4 USB-to-I2C Adapter BSL Pushbutton
    5. 2.5 Load Transient Circuit
      1. 2.5.1 Using the Load Transient Circuit
      2. 2.5.2 Load Transient Circuit Interfaces
    6. 2.6 EVM Setup
    7. 2.7 Test Points
    8. 2.8 Required Equipment for Basic Evaluation
  9. 3Software
    1. 3.1 Software Download
      1. 3.1.1 Live Software on dev.ti.com
      2. 3.1.2 Offline Software
        1. 3.1.2.1 Download From dev.ti.com
    2. 3.2 Home Tab
    3. 3.3 Quick Setup Tab
    4. 3.4 Monitor Tab - Dashboard Page
    5. 3.5 Monitor Tab - Configure Page
    6. 3.6 ADC Graph Tab
    7. 3.7 Registers Tab
  10. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  11. 5Additional Information
    1. 5.1 Trademarks

2.4.2 USB-to-I2C Adapter Interfaces

The following jumpers are provided to configure the USB-to-I2C adapter:

  • J21 (USB): If using the onboard USB to I2C adapter, connect a USB-C cable between J21 and the user's PC
  • J19: Jumper block J19 can also be used to connect an external I2C adapter. See Using an External I2C Adapter for more information

  • J24: The unpopulated header, J24, is provided for Spy-Bi-Wire access to the MSP430F5528. The TPS7B78EVM-131 comes pre-loaded with firmware that is necessary for the correct operation of the USB interface and PC GUI software. TI does not recommend that users access this header or reprogram the device

Using an External I2C Adapter

If operation with an external I2C adapter or microcontroller is desired, the jumpers on J19 can be removed and connections made between the external I2C adapter and the pins on the left-hand side of this header as detailed in Table 2-2. Additional connection points are provided to supply an external pullup supply (V_PU) and to provide an external EN signal to the device. Pin 1 of J19 is the topmost pin on the left side of J19 and is marked with a black dot on the top silkscreen.

Even-numbered pins on the right-hand side of J19 connect to the MSP430F5528. If using an external I2C adapter, TI does not recommend making connections to the even-numbered pins.

Table 2-2 J19 External Connections
J19 Pin Electrical Function
1 V_PU pullup supply
3 GND
5 SCL
7 SDA
9 RDY
11 NERR
13 EN
15 GND