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218 Results

Reduce design risk for Low Earth Orbit satellites and other New Space applications

When: October 8, 2019 2:00 pm
What is NewSpace? What does it mean for satellite design? Explore products that meet quality & reliability requirements for short space flights and LEO designs.

Capacitive Touch Basics with MSP430 MCUs featuring CapTIvate Technology

This section of the video series provides an introduction to capacitive touch using MSP430 MCUs with CapTIvate technology as well as how to get started with CapTIvate Design Center and CapTIvate development tools.

Fundamental PCB Layout and Design Guidelines of MSP430 MCUs with CapTIvate Technology

This training covers the fundamental design techniques required to implement a successful capacitive sensing hardware design. This series will explore a number of design topics, including:  Basic layout guidelines overlays, back lighting; Dealing with moisture; Self capacitance sensors; Mutual capacitance sensors; and Proximity sensors.

Introduction to EMC Challenges and Design with CapTIvate MCUs

This video series provides a reference on designing capacitive touch capabilities to withstand EMC challenges commonly found in human machine interface applications.

Application Demos of Capacitive Touch Featuring MSP430 MCUs with CapTIvate Technology

Capacitive sensing enables buttons, sliders, wheels and proximity features to be added to a wide-range of applications including building and home access panels and security systems, appliances, personal electronics and more. Watch the videos in this series to get an idea of the capabilities CapTIvate technology can bring to your next application.

BOOSTXL-CAPKEYPAD Capacitive Touch BoosterPack Module Introduction and Demos

This series provides an overview of the BOOSTXL-CAPKEYPAD capacitive touch BoosterPack plug-in module. The BoosterPack features the MSP430FR2522 MCU and allows developers to evaluate capacitive touch capabilities for their next design. The videos provide an overview of the BoosterPack and the out-of-box demos using the CapTIvate Programmer board and the MSP430FR6989 and MSP430F5529 LaunchPad development kits.

Introduction

This section covers what is meter tampering, why is this a problem for utility providers, and some common ways a meter is tampered.

Detecting case tamper attacks using inductive switches

The first line of defense against tampering by bypassing current, reversing connections, and disconnecting leads is the meter case. Due to this, it is common for utilities to require some form of intrusion detection system to detect when someone opens a case.  In this section, we will cover how to detect someone trying to open the case of a meter.

Detecting magnetic tampering using hall-effect sensors

For anti-tampering, it is common to try to detect the presence of a strong magnet. In this section, we will cover the use of hall sensors for low-power detection of strong magnetic fields in three dimensions.  Details on our magnetic tamper detection reference design, TIDA-00839, will be provided as well as some of the design considerations that were kept in mind when creating this reference design.  

Hardening a meter against magnetic tamper attacks

In this section, we will cover how to harden a meter against these magnetic tamper attacks by using shunts for current sensors. For poly-phase implementations, I will go over how to use isolated delta sigma modulators to add the necessary isolation to use shunt current sensors and create magnetically immune poly-phase energy measurement systems. The TIDA-00601 and TIDA-01094 reference designs, which show how to implement a poly-phase isolated shunt measurement system, will be discussed as well as the associated AMC1304 high-side power supplies used in these designs.

Summary

In this section, a summary of the entire “Securing Smart Meters from Attack with TI Analog” training module would be covered.  This summary would cover the “Detecting case tamper attacks using inductive switches “, “Detecting magnetic tampering using hall-effect sensors “,  and “Hardening a meter against magnetic tamper attacks “ sections of the training series. Links will be provided for the reference designs and design tools that were discussed during this training series.

Overview of temperature measurement in heat meters

This section introduces the heat and cold meter training series. The series covers the basics of RTD sensors and their usage in heat and cold meters, as defined in the EN1434 set of standards.

Measuring RTD sensors with Delta-Sigma ADS1220 family

ADS1220 Delta-Sigma family uses the ratiometric approach for measuring RTD sensors with the built-in current excitation source. Offset and gain calibration are required before the resistance measurement is converted into a temperature reading by the application MCU.

Differential Temperature Measurement sub-system reference design

TIDA-01526 implements a high-precision Differential Temperature Measurement (DTM) subsystem using a 24-bit, low-power, Delta-Sigma ADC. Heat and cold meter DTM subsystems typically use two 2- or 4-wire RTDs such as PT100, PT500 or PT1000 and can achieve measurement accuracy of 20 mK over a water temperature range of 3°C to 180°C. The MSP430FR6047 application MCU converts the resistance value into a temperature reading in TIDA-01526.
218 Results
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