Recent blog posts
  • Industrial Strength
    Harmeet Singh
    • Dec 10, 2018

    Using smart relay drivers for smart meters, part 2

    In part 1 of this series, my colleague Shreenidhi Patil discussed the two most popular types of latching relays used in smart meters: a single-coil relay and a dual-coil relay. In this installment, I will explore TI’s offerings for relay-driving applications, including typical schematics and waveforms. Also, for an application-level understanding...
  • Analog Wire
    DMAR
    • Dec 7, 2018

    How to achieve rapid temperature sensor design with RTD-level accuracy and no calibration

    For the highest accuracy temperature measurement, system designers have traditionally had only one option: platinum resistive temperature detectors (RTDs) such as the PT100 or PT1000. Highly linear and interchangeable, RTDs are available in a wide range of accuracy classes as defined by International Electrotechnical Commission (IEC) and Deutsches Institut...
  • アナログ
    Naoko Suzuki1
    • Dec 7, 2018

    洗練されたロボットのための超音波式検出の利用

    現在、人間が行っている作業の多くをロボットが行うようになる日は、遠い先のことではありません。私たちはすでに、ロボット掃除機に部屋の掃除をさせたり、ロボット芝刈機に庭の草刈りをさせたりしています。工場では、歯ブラシから自動車まで、私たちが使用する多くの製品をロボットが製造しています。中国や日本ではロボットが料理を運び、ドローンによる肥料の散布や商品の配送も行われています。ですから、ロボットが家を建てたり、道路を敷いたり、クルマを運転したりする日も近いことでしょう。しかし、そのような未来を現実にするための重要な要件の1つは、ロボットが人間と同じような感覚を持つことです。 ロボット機器の最大の課題の1つは、壁や家具、設備、人間、他のロボットなどに衝突することのない移動経路をどのように見つけるかです...
  • Behind the Wheel
    Chris Suchoski
    • Dec 6, 2018

    Designing daytime running lights, part 2: responding to an LED fault

    This is the second installment in a two-part series on designing bright daytime running lights (DRLs) without the need for two LED drivers, a method provided in the Automotive Daytime Running Light Dual String LED Driver Reference Design with Current...
  • その他産業用
    Naoko Suzuki1
    • Dec 5, 2018

    振動解析によるモーター故障予知、第2部

    モーターやポンプは、工場や建物の重要なインフラストラクチャ・コンポーネントであり、その役割を果たすには適切な動作状態が保たれる必要があります。モーターやポンプの役割は、オートメーション・ライン上の物を動かしたり、暖房、換気、空調（HVAC）システム用に冷却液や冷却空気を流したりなどさまざまです。 どんなときであっても、性能低下はメンテナンス費用がかさむことになりかねません。あるいは故障により製造能力が停止状態になるかもしれません。十分な性能を維持するには、これらの機械の潜在的故障の徴候を監視する...
  • その他産業用
    Naoko Suzuki1
    • Dec 5, 2018

    状況監視による故障予知、第1部

    工場での製造活動には多数のモーターやポンプが不可欠です。その機能が故障すると、ラインが完全にストップしてしまうことになりかねません。これを防ぐために通常は幅広い予防保守計画を準備しておき、定期的に実施する必要があります。このような計画は寿命統計に基づくもので、機器の実際の状況には基づいていません。 機器の状況がわかれば、メンテナンス費用を削減でき、予期しない故障の危険性も減らすことができます。機器の状態を認識して修理や交換の予定を立てることを、予防保守と言います。 故障に至るプロセス最終的に機能...
  • Analog Wire
    Don Wyar
    • Dec 5, 2018

    The ADC12DJ3200 wins product of the year at World Electronics Achievement Awards

    The ultra-high-speed ADC12DJ3200 analog-to-digital converter (ADC) has won product of the year in the Amplifier/Data Conversion category of the inaugural World Electronics Achievement Awards (WEAAs) . Editors and readers voted it a winner in a worldw...
  • Power House
    Matthew Xiong
    • Dec 5, 2018

    Improving data-center efficiency with eFuses

    According to Forbes, global data centers used approximately 416TW (4.16 × 1014W) of electricity in 2017, with U.S. data centers contributing about 90 billion kilowatt hours to that number. With artificial intelligence making strides and 5G arou...
  • Behind the Wheel
    Chris Suchoski
    • Dec 4, 2018

    Designing daytime running lights, part 1: adding one-fail-all-fail LED fault detection

    Daytime running lights (DRLs) are becoming more popular in vehicles and are even a requirement in some countries. As I’m sure you can guess, DRLs are on during the day, which requires them to be very bright. As a designer, you typically have two choices to achieve the desired DRL LED brightness: Increase the number of LEDs in your string...
  • Industrial Strength
    Kallikuppa Sreenivasa
    • Dec 4, 2018

    Covering wide analog input measurement for grid protection and control using 24-bit delta-sigma ADCs

    In my two previous blog posts on improving data acquisition (DAQ) for grid protection and control, I discussed the need for interfacing multiple analog-to-digital converters (ADCs) to a single processor and using the programmable real-time unit subsystem and industrial communication subsystem (PRU-ICSS) to improve sensor DAQ performance . In this post...
  • Power House
    Bob Hanrahan
    • Dec 4, 2018

    How to use a voltage reference as a voltage regulator

    A version of this post was also published on Electronic Design . Have you ever needed to bias a low-current load and simply didn’t want to add another voltage regulator? Or been in a situation where you need a reasonable level of voltage accurac...
  • Industrial Strength
    Shreenidhi Patil
    • Dec 3, 2018

    Using smart relay drivers for smart meters, part 1

    Utilities deploy an estimated 100 million smart electricity meters around the world annually. The ability to monitor live power consumption and remotely provide or disconnect electric service to customers is a foundational feature for a smart electricity meter. Utility operators need to remotely connect or disconnect electric service for several...
  • Analog Wire
    Brandon Sbert
    • Dec 3, 2018

    Small, high-density precision DACs improve performance in laser-drive applications

    In laser-drive applications, a major design consideration facing engineers today is implementing higher channel counts in fixed form factors. In this post, I will explore the benefits of using flexible and precise current sources at high channel coun...
  • アナログ
    Naoko Suzuki1
    • Dec 3, 2018

    超音波センサはどこに使われているのか？

    超音波センサは、乗用車の超音波パークアシストのようなアプリケーションに長年利用されてきました。これは、車両の駐車の際に低速における物体検出を支援するものです。現在は、その他にもキック・ツー・オープン・リフトゲートと侵入検知アラームという2つの新たな超音波センサ・アプリケーションが登場しています（図1を参照）。この記事では、これら3つのアプリケーションで超音波センサが使われる理由とその仕組みについて説明します。 図1：乗用車に搭載されている超音波センサ 超音波パークアシスト超音波パークアシストは...
  • Behind the Wheel
    Heinz-Peter Beckemeyer
    • Nov 29, 2018

    Top trends driving the automotive industry in 2019

    As 2018 comes to a close, it’s exciting to reflect on this decade as being on the precipice of the biggest evolution in cars since their inception more than a century ago. As autonomous and electric vehicles continue to gain traction, cars in t...

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