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Current sensor and metrology architecture options

This section compares two types of current sensors used in electricity meters: current transformers and shunts.  In addition, it discusses three different architectures for sensing the voltage and current samples used to calculate the metrology parameters.  These architectures include a SoC-based architecture, AFE-based architecture, and ADC-based architecture.

Introduction to TIDA-010036 reference design

This section provide an overview of the TIDA-010036 reference design, which uses the ADS131M04 delta sigma standalone ADC for sensing the voltage and current necessary to calculate metrology parameters.  The TIDA-010036 design targets Class 0.5 single-phase two-wire meters with shunt current sensors and has a compact, magnetically immune cap-drop power supply to power the design from AC mains.

TIDA-010036 hardware design

This section provides an overview of the hardware used in the TIDA-010036 design, which includes the circuits used to translate the Mains voltage and current to the voltage waveform sensed by the ADS131M04.  In addition, it covers the TPS7A78-based cap-drop power supply used in this design.

Designing software for 1-phase electricity meters that use standalone ADCs

This section covers the initialization code and algorithms that can be used to calculate metrology parameters in a single phase system using the sensed voltage and current samples.

ADS131M04 current detection mode for detecting neutral removal tampering

This section discusses current detection mode, which is a special low-power mode of the ADS131M04 standalone ADC, that can detect the presence of current when someone has tampered with a meter by removing its neutral connection.

Calibration and metrology accuracy results

This section discusses the procedure used to calibrate the TIDA-010037 design and the results obtained with this design.

Summary

In this section, a summary of the entire “How to design 1-phase shunt electricity meters using standalone metrology ADCs” training module would be covered.  Links will be provided for the reference designs that were discussed during this training series.
Applications of voltage supervisors (reset ICs)

Overview of supply voltage supervisors

This video will cover the first section of the training module that provides an overview of supply voltage supervisors. We will start with a brief introduction to Supply Voltage Supervisors. Next, we will present some system level design challenges that can be solved using the Supply Voltage Supervisors and end the presentation with information on finding the right collateral and resources for further help.

Applications of voltage supervisors (reset ICs)

Applications of voltage supervisors in grid infrastructure

Leakage current detection is necessary in most of the industrial and residential breakers as well as in many EEQ such as EV chargers, PV inverters etc. In this course we’ll deep dive into circuit breakers and review TIDA-010041 reference design that provides an easy and efficient method of detecting residual current or ground fault by leveraging voltage supervisor IC. This solution also finds application in over-voltage detection in binary input module EEQ. In addition, this also includes power sequencing using supply voltage supervisors.

6.6kW Bi-directional OBC_Introduction and Overview

In this series of presentations, we go through the HEV/EV market status and history, OBC specifications, technology trend, topology selections and design considerations of an OBC system. Complete test results of a 6.6kW OBC reference design (Including AC-DC rectifier and isolated DC-DC converter) will be shown in the end of this paper to demonstrate the performance of our TIDesigns as well as TI SiC and embedded Technologies.

6.6kW Bi-directional OBC_CLLLC Resonant DAB Converter

In this series of presentations, we go through the HEV/EV market status and history, OBC specifications, technology trend, topology selections and design considerations of an OBC system. Complete test results of a 6.6kW OBC reference design (Including AC-DC rectifier and isolated DC-DC converter) will be shown in the end of this paper to demonstrate the performance of our TIDesigns as well as TI SiC and embedded Technologies.
Learn about multiplexers

TI Precision Labs - Multiplexers: Bandwidth, Channel-to-Channel Crosstalk, Off-Isolation and THD+Noise

This TI Precision Labs training video provides an overview of multiplexer bandwidth, channel-to-channel crosstalk, off-isolation, and THD+Noise specifications. It first explains how these parameters are defined and measured, and then it explores how device-related factors can affect these parameters and limit multiplexer performance.

TI-RSLK MAX Assembly Guide

This video shows how to assemble the TI-RSLK MAX in less than 15 mintues.

TI-RSLK MAX Disassembly Guide

This video describes how to disassemble the TI-RSLK MAX robotics kit.

TI-RSLK MAX LaunchPad Preparation

This video highlights the changes that must be made to the SimpleLink™ MSP432P401R high-precision ADC LaunchPad™ development kit as part of the TI-RSLK MAX.

Attaching a Display to the TI-RSLK MAX

This video describes how to add a display to the TI-RSLK MAX.

TI-RSLK MAX Module - 1 Running code on the LaunchPad using CCS

The purpose of this module is to learn software development methodology and understand how to set up an Integrated Development Environment (IDE), to then import and export Code Composer Studio (CCS) projects, as well as critical debugging information to understand the memory usage and performance of the software on the processor.

TI-RSLK MAX Module 2 – Voltage, current, and power

The purpose of this course is to review basic electronic components and the electrical properties needed to interface sensors and actuators to a microcontroller. You will learn how to measure reactance of a capacitor and use your project to measure current and voltage. The electrical properties of the capacitor will help you design circuits that “filter” or remove noise from your robot.

TI-RSLK MAX Module 3 – ARM Cortex M

This module serves as a brief introduction to the ARM Cortex-M microcontroller, assembly programming language and some debugging techniques. Understanding how the processor works is essential for the design of embedded systems, such as the one used in your robot.  

TI-RSLK MAX Module 4 – Software design using MSP432

This module is an introduction to C, a general-purpose programming language, in addition to the concepts of compiling and debugging using the MSP432 and TI Code Composer Studio™.  Debugging skills are a valuable tool when developing complex systems involved with robotics.

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