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Designing software for split-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 split-phase system using the sensed voltage and current samples

Designing with Delta-Sigma ADCs: System design considerations to optimize performance

Delta-sigma analog-to-digital converters (ADCs) are oversampling converters typically used in applications requiring higher resolution. However, ADCs do not work by themselves. In fact, they require several key components around them, including a front-end amplifier, a voltage reference, a clock source, power supplies, and a good layout. Many devices integrate these features together with the ADC to offer a complete system solution, which simplifies the design for customers and minimizes board space.

Designing with Multiphase

In designing with multiphase, Carmen works through a six-phase design for powering the core voltage of a networking ASIC, Marketing Manager George Lakkas explains why multiphase converters are ideal for high currents, and TI engineers blog about common concerns and use contexts.

Blogs

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.  

Diagnostic & Data Protection

This video series provides an overview of diagnostic capabilities of FPD-Link III and basic tips to simplify troubleshooting.

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.

Digital temperature sensor replacement of RTD sensors with TMP116

The TMP116 digital precision temperature sensor for the -55 to +125ºC range achieves higher accuracy than the Class AA PT sensor with a 1-point calibration. A small PCB including TI's TPD1E10B06 or TPD1E04U04 protection devices can be sealed into a RTD metal tube and meet the EN 61000-4-2 and -4-4 levels of ESD protection. The 64-bit internal EEPROM inside TMP116 stores user defined calibration data into the digital temperature sensor, simplifying integration with application MCUs, such as MSP430FR6047, FR6989 or CC13xx/26xx wireless MCU families.

Display Fundamentals

These introduction videos go over LCD and OLED components and explain how they work together in a system. These videos are appropriate for engineers of all experience levels, serving as basic training for new display design engineers or a memory refresh for more experience designers. 

Display University

In this on-demand training series, learn about a variety of LCD and OLED display design topics from TI experts.  This series covers a broad spectrum of subject matter from display basics to more in depth videos on design considerations and overcoming specific display design challenges.  You can choose which curriculum best suits your needs  and learn at your own pace by choosing a section or specific video in the series. Get started by clicking a section or video below. 

DS90UB953/954 System Design & Operation

The DS90UB953/954 System Design & Operation video series offers training for FPD-Link III devices for ADAS.  FPD-Link III devices such as the DS90UB953-Q1/ DS90UB954-Q1 support sensor use over serial link for Advanced Driver Assist Systems (ADAS) in the automotive industry.  In this training series, we will guide you through step-by-step procedures to initialize and bring-up the “Sensor-Serializer-Deserializer-ISP” link to an optimal performance level. 

DS90UB953/954 System Design & Operation: 953-954 Link Design

This section analyzes the link between the 953 and 954 and establishes how to identify the health and operation of the link. Since the link between the 953-954 is the most fundamental link used to communicate between devices, it is often checked first.

Specifically, this section discusses: Back Channel configuration, Built in Self Test (BIST), Adaptive Equalization (AEQ), and Channel Monitor Loop (CMLOUT)

DS90UB953/954 System Design & Operation: 954-ISP/SoC Link Design

This section discusses what frame synchronization (FrameSync) is and how to configure in on the 953 and 954 and how CSI2 data is transferred across the link from the 954 to the ISP/SoC

Specifically, this section discusses: Frame Synchronization (FrameSync), Controlling 953 GPIOs locally and remotely via I2C, Unsynchronized and synchronized sensors, Internal and External Frame Sync, Port Forwarding, Accessing Indirect Registers, and Pattern Generation on 953 & 954

DS90UB953/954 System Design & Operation: Basic Design Rules

Understanding what hardware and software settings are important is critical to establishing a foundation for the 953/954 system. These settings can occur during or after power up and may need to be changed via software. As a result, these settings are routinely checked and verified before checking any of the other links in the system.

Specifically, this sections discusses: Diagnostics post power up, Mode and IDX Pins, Clocking Modes between the 953/954, Aliasing, I2C Pass Through, Port selection on 954, Analog Launch Pad (ALP), and Successful I2C Communication

DS90UB953/954 System Design & Operation: Hardware Design

This section discusses how design a 953/954 using Power over Coax (PoC), and various hardware checks and concepts that need to be considered when analyzing a 953/954 system.

Specifically, this section discusses: Power Over Coax (PoC), AC Coupling Capacitors, PoC Inductors, Typical PoC Schematic, Critical Signal Routing, I2C Pullups, Loop Filter Capacitors on 953, Insertion Loss, Return Loss, and Time Domain Reflection (TDR) measurements.

DS90UB953/954 System Design & Operation: Overview

This introduction video will give the background on FPD-Link III devices, such as the DS90UB953-Q1/ DS90UB954-Q1; the device's role within Advanced Driver Assist Systems (ADAS) in the automotive industry; and explain their broad appeal to engineers of all experience levels. This is fundamental to diving deeper into a 953/954 system, as well as, the links within the system.

DS90UB953/954 System Design & Operation: Sensor-953 Link Design

This is the Sensor and 953 Link Design section in DS90UB953/954 System Design & Operation video series. This video discusses how to use the sensor-953 link, as well as, the specific settings that are used with this link.

DS90UB953/954 System Design & Operation: Typical Customer Issues

This section frames the design and operation video series by showing why it is important to contextualize customer problems in terms of the links between the devices. 

Specifically, this section will discuss: issues with initializing the camera and issues with reading the incorrect serializer ID from the deserializer.

Electrical Fundamentals and Need for power systems protection

Welcome to the world of Power Systems. The first part of the session focuses on Introduction to Power Systems, Goal of Power systems protection, fundamentals of Electricity, AC or DC, Importance of electricity, Power system voltage levels and consumers of electricity. Need and Complexities in protection of power system primary Equipment like Generators, Motors, Transformers and Circuit Breakers and finally analysis of what can go wrong on a transmission line.

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