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  • Driving next-generation EV systems with a distributed architecture

    John Stevens
    John Stevens
    Other Parts Discussed in Post: UCC14240-Q1

    Electric vehicles (EVs) and hybrid EVs (HEVs) are changing, as are the electronics inside them. The increasing amount of electronics plays a significant role in the overall form and function of these vehicles. Drivers, however, haven’t changed; they still expect their EVs and HEVs to drive further without stopping, become more affordable, charge faster, and keep them safe. But…

    • Sep 27, 2021
  • What’s not in the power MOSFET data sheet part 2: voltage-dependent leakage currents

    John Wallace1
    John Wallace1
    Other Parts Discussed in Post: CSD15380F3

    In part 1 of this series, I reviewed power metal-oxide semiconductor field-effect transistor (MOSFET) data sheets and explained what’s in the data sheet and more importantly, what’s not, while specifically looking at the temperature dependence of some key MOSFET parameters. In part 2, I’ll focus on voltage-dependent leakage currents – the drain-to-source leakage (I…

    • Jul 23, 2021
  • Which pinout is best? How individual, multifunctional and trimmed pinouts help address design challenges

    Vikram Sundaram
    Vikram Sundaram
    Other Parts Discussed in Post: TPS54620, TPS566231, TPS62903, TPS543620

    The features of a modern buck converter are simply tools to get a job done – and much like the utility belt of a certain Gotham City resident, the configuration and layout of these features were designed with space and flexibility in mind. Whether you wear a cape or not, having quick and easy access to these features means more than just solving design…

    • Jun 28, 2021
  • Three reasons to add a voltage supervisor to your next wearable power design

    Ben C
    Ben C
    Other Parts Discussed in Post: TLV841

    Within the last decade, manufacturers of wearable technologies such as smartwatches have made significant advancements in enabling users to track their personal health and fitness in real time. It’s now possible to leverage a wealth of statistics, such as step count, heart rate, oxygen saturation, workout duration and more, and track progress toward fitness goals in a variety of ways…

    • Jun 17, 2021
  • Increasing power density with dual-channel power modules

    Aaron Grgurich
    Aaron Grgurich
    Other Parts Discussed in Post: TPSM5D1806

    The constant push for more component integration and greater power density, on top of demanding project schedules, can leave engineers in difficult situations when designing a system power architecture. Looking specifically at test and measurement or optical module applications, the problem statement is no longer limited to the area (x-axis and y-axis) of the design; rather, it…

    • Jun 14, 2021
  • 1 PWM controller, 3 unique challenges – solved for string inverters, motor drives and e-meters

    Dante Toppi
    Dante Toppi
    Other Parts Discussed in Post: UCC28C44

    If you’re designing with controllers for industrial equipment, you’ve likely asked yourself such questions as:

    • “What voltage levels do I need?”
    • “Do I care about the current level?”
    • “What frequency does the controller need to run at?"
    • “Will this device need to withstand high temperatures and magnetic immunity?”

    Some of…

    • May 20, 2021
  • Bulk up your 24-VDC power distribution with industrial high-side switches

    Paul Kundmueller
    Paul Kundmueller
    Other Parts Discussed in Post: TPS272C45, TPS274160

    For athletes to perform at their highest level – to run a mile in less than five minutes or leap into the air and dunk a basketball – they need strong muscles. The heart supplies blood through the veins to the muscles to enable movements such as gripping an object with your hand or moving a finger when your brain instructs it to. But without muscles, these spectacular…

    • May 4, 2021
  • Improving industrial radar RF performance with low-noise, thermal-optimized power solutions

    shashank sharma
    shashank sharma
    Other Parts Discussed in Post: IWR1843, IWR6843, LP87702, LP87702-Q1

    For years, passive infrared sensors and lasers have sensed remote objects or measured range in applications such as robotics, level sensing, people counting, automated doors and gates, and traffic monitoring. But with demand for higher precision and resiliency against environmental influences such as bad light, harsh weather conditions and extreme temperatures…

    • Apr 21, 2021
  • Introduction to EMI: Standards, causes and mitigation techniques

    Yogesh Ramadass
    Yogesh Ramadass
    Other Parts Discussed in Post: LM5156-Q1, LM62440-Q1, LM25149-Q1

    Electronic systems in industrial, automotive and personal computing applications are becoming increasingly dense and interconnected. To improve the form factor and functionality of these systems, diverse circuits are packed in close proximity. Under such constraints, reducing the effects of electromagnetic interference (EMI) becomes a critical system design…

    • Apr 21, 2021
  • How to reduce EMI and shrink power-supply size with an integrated active EMI filter

    Orlando Murray
    Orlando Murray
    Other Parts Discussed in Post: LM25149-Q1 This technical article is co-authored by Tim Hegarty Design engineers working on low-electromagnetic interference (EMI) applications typically face two major challenges: the need to reduce the EMI of their de...
    • Apr 5, 2021
  • Monitoring 12-V automotive battery systems: Load-dump, cold-crank and false-reset management

    Ben C
    Ben C
    Other Parts Discussed in Post: LM5060-Q1, TPS38A-Q1

    The 12-V lead-acid battery is a staple in automotive electronic systems such as automotive cockpits, clusters, head units and infotainment. Monitoring the battery voltage is necessary in order to maintain and support the power requirements of the modern vehicle. Although automotive batteries can withstand wide voltage transients that exceed their nominal voltage during…

    • Mar 24, 2021
  • How to choose the right battery-charger IC for ultrasound point-of-care products

    Jing Zou
    Jing Zou
    Other Parts Discussed in Post: BQ24610, BQ25713, BQ25790, BQ25798, BQ25892, BQ25895

    Advancements in ultrasound imaging technology, along with rising demand for minimally invasive diagnostics and therapeutics, have made it possible to implement ultrasound applications for medical use. For example, employing ultrasound for remote patient monitoring has become increasingly popular given its cost-effective, safe and fast diagnostic…

    • Mar 24, 2021
  • Lowering audible noise in automotive applications with TI’s DRSS technology

    Samuel Jaffe
    Samuel Jaffe
    Other Parts Discussed in Post: LM61495-Q1Automotive systems have many regulations and requirements, from electromagnetic interference (EMI) to thermals to functional safety, but one consideration that stands above the rest when it comes to immediate ...
    • Mar 18, 2021
  • How to stack battery monitors for high-cell-count industrial applications

    Shawn Hinkle
    Shawn Hinkle
    Other Parts Discussed in Post: BQ76952, ISO1640As we begin to see battery technology in more applications, new challenges arise. Many applications in the industrial space require higher cell counts than battery-powered applications such as cellphones...
    • Feb 11, 2021
  • The value of a thin, isolated power solution

    Orlando Murray
    Orlando Murray
    Other Parts Discussed in Post: UCC12051-Q1

    Faced with shrinking space constraints and increased robustness requirements, industrial and automotive power-supply designers must carefully choose the best power design topologies to meet their application needs. Isolated choices include modules as well as discrete and integrated solutions; each has its own trade-offs. Modules are encapsulated solutions with common input/output…

    • Feb 2, 2021
  • What’s not in the power MOSFET data sheet, part 1: temperature dependency

    John Wallace1
    John Wallace1
    Other Parts Discussed in Post: CSD17576Q5B, CSD19532Q5B

    Power metal-oxide semiconductor field-effect transistor (MOSFET) data sheets provide useful information such as key specifications, ratings and characteristics to help you confirm that the device will operate as intended. You may have questions about how a parameter varies, however, so in this article I’ll explain not just what’s in the data sheet but more importantly…

    • Dec 30, 2020
  • 3 ways to reduce power-supply noise with power modules

    Sheetal Liddar
    Sheetal Liddar

    Noise is an unwelcomed electrical phenomenon that commonly originates in the power supply. If not reduced, noise can adversely impact the performance of applications in sensitive medical, test and measurement, and aerospace and defense systems.

    Today’s high-precision analog signal-chain systems require DC/DC switching regulators to generate regulated power-supply rails for powering analog-to-digital converters (ADCs)…

    • Dec 15, 2020
  • Enhance thermal management in EVs with autonomous cell balancing

    Sudhir Nagaraj
    Sudhir Nagaraj
    Other Parts Discussed in Post: BQ79616-Q1

    Cell balancing is important in battery management systems for electric vehicles (EVs) because it helps extend vehicle driving ranges and ensure safe EV battery operation. Cell balancing is also required in order to correct imbalances in the battery itself. All batteries, including those found in EVs, experience unbalancing over time caused by mismatches during manufacturing processes…

    • Dec 9, 2020
  • How to choose your Type 3 (<51-W) PoE power topology

    Brett Colteaux
    Brett Colteaux
    Other Parts Discussed in Post: TPS23730

    Designers have several topologies to choose from when designing 51-W isolated DC/DC power over Ethernet (PoE) systems. In a perfect world, each topology would cost nothing, have 100% efficiency and be smaller than a grain of sand. But since that isn’t possible, system designers are forced to choose the topology that closest meets their needs. In this article, I’ll discuss three…

    • Dec 8, 2020
  • Conserve battery power in HEV/EVs with automatic host reverse wakeup

    Deepak Uppal
    Deepak Uppal
    Other Parts Discussed in Post: BQ79600-Q1, BQ79616-Q1

    As more vehicles become electrified, the need to achieve the highest levels of functional safety with high-accuracy battery monitoring is paramount. Yet in order to improve battery-monitoring accuracy, the vehicle’s battery management system must work efficiently in real time to monitor the performance of the individual battery cells within.

    In typical hybrid…

    • Dec 4, 2020
  • Automotive GaN FETs engineered for high frequency and robustness in HEV/EVs

    Ramanan Natarajan
    Ramanan Natarajan

    Intent on accelerating electric vehicle (EV) adoption by addressing top consumer concerns such as driving range, charge time and affordability, automakers worldwide are demanding increased battery capacity and faster charging capability, with little to no increase in size, weight or component cost.

    The EV onboard charger (OBC), which allows consumers to recharge the battery directly from an AC main at home or at public…

    • Nov 30, 2020
  • Powering medical imaging applications with DC/DC buck converters

    Jonathan Riley2
    Jonathan Riley2
    Other Parts Discussed in Post: LMQ61460, LMZ34002

    From cart-based ultrasound scanners to portable smart probes that send images directly to a smartphone, the world of ultrasound imaging continues to diversify. Despite architectural differences in their design, every ultrasound system needs a DC power supply that can efficiently meet the power demands of the system and avoid interference with the ultrasound frequency range…

    • Nov 24, 2020
  • How GaN FETs with integrated drivers and self-protection will enable the next generation of industrial power designs

    Arianna Rajabi
    Arianna Rajabi
    Other Parts Discussed in Post: LMG3425R030, LMG3422R030, LMG3422R050, LMG3425R050

    Physics has caught up with silicon devices. The traditional workhorses of power supplies – metal-oxide semiconductor field-effect transistors (MOSFETs) and insulated gate bipolar transistors (IGBTs) – can only boost power density if you sacrifice efficiency, form factor and heat dissipation.

    Enter gallium nitride (GaN) semiconductors…

    • Nov 17, 2020
  • Adding USB Type-C® with USB Power Delivery to battery-powered applications

    Eric Beljaars
    Eric Beljaars
    Other Parts Discussed in Post: TPS25750, BQ25792, BQ25731

    Upal Patel co-authored this article.

    A USB Type-C® port with USB Power Delivery (PD) is becoming the standard port for charging single- and multicell battery-powered devices. Applications such as wireless speakers, power banks and power tools have been transitioning from proprietary charging ports, legacy USB ports and barrel-jack ports to a standardized USB PD…

    • Nov 11, 2020
  • The impact of an isolated gate driver’s input stage for motor-drive applications

    Sean Alvarado
    Sean Alvarado
    Other Parts Discussed in Post: UCC23514, UCC5310, UCC5320, UCC5350, UCC5390

    You have many options when selecting an isolated gate driver for the power stage in motor-drive applications. Gate drivers can be simple or complex, with features such as an integrated Miller clamp, split outputs or an undervoltage (UVLO) lockout reference to the emitter of an insulated gate bipolar transistor (IGBT).

    There are two options for…

    • Sep 29, 2020
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