Technical Features

January 2023
Combining Lowest RDS(on) + SMT for Space-Limited, High-Performance Apps

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Figure 1: The Qorvo SiC FET – a ‘cascode’ of a Si-MOSFET and SiC JFET

The performance of wide band-gap (WBG) semiconductor switches such as silicon carbide cascode FETs (‘SiC FET’ henceforth) [1] (Figure 1) and SiC MOSFETs is closely tied to its package. At the pure technology level, nanosecond switching speed and low specific on-resistance result in very low losses, allowing much
Date:
05/30/2023
Don’t Overlook These Keys to Optimized Converter Performance

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Figure 1: Typical Isat and Irms Ratings

­Inductors function as circuit elements by reaction to current flow in the windings. Inductors are fundamentally current-driven devices, and anyone who has designed a dc-dc converter knows power inductor datasheets are covered with Irms and Isat current ratings. Picking a power inductor is all about current ratin
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Date:
01/31/2023

Ultrahigh power density solutions for energy-efficient high-power lighting and industrial SMPS applications

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Figure 1: Gate charge

Introduction The evolution of the industrial internet of things (IIoT) that drives the next wave of technological innovation raised the demand for high-quality and reliable industrial switch-mode power supplies (SMPS) systems that are used to power connected devices. These SMPS systems are usually operated in ou
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Date:
01/23/2023
Wolfspeed Enables Higher-Voltage Batteries for EV Systems

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Figure 1: High-level view of an EV and several opportunities for Silicon Carbide technology

­Silicon Carbide (SiC) technology has transformed power management in many markets, especially power delivery systems in electric vehicles (EVs). SiC provides advantages in terms of efficiency, power density, size/weight, thermal management, and reliability. Advantages of Higher Battery Voltage Many areas of an
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Date:
01/04/2023
The Amazing Technology Behind EV Batteries

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Figure 1. Simplified description of the multicell battery monitor

­For decades, the automotive industry has slowly consolidated, while technology and brand differentiation has decreased. The powertrain, the system that transfers energy into motion, is arguably the auto manufacturer’s most prized intellectual property, with more than a century of refinements behind it. In th
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Date:
01/01/2023
What is Actually Needed to Ensure Efficient Charging of EVs?

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Figure 1: Simplified block diagram of a bidirectional charger

­For BEVs (battery-electric vehicles), low power (kWh/km) is essential. Its calculation often not only includes the power from the battery but also the power required by the AC Wallbox to charge the battery. Charging losses in the onboard charger (OBC) therefore affect this figure directly. To ensure a low pow
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Date:
01/01/2023
Meeting the Demand for Higher Rated, Small-sized and More Reliable Power Modules

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Figure 1. Diagram and equivalent circuit of the 7th generation X-series RC-IGBT technology

­From electric vehicle onboard chargers (OBCs) and fast DC chargers to solar micro-inverters and larger industrial laser, welding, and automation use cases, there is a wide array of applications that rely on modern power conversion. One striking commonality between these applications is the continual push in ch
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Date:
01/01/2023
Sensing and Control Solutions Trends in Electric Vehicles

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Figure 1: Brake pedal force sensors provide many safety and performance advantages for the developers and designers of next generation braking systems

­From electric vehicles including passenger cars and commercial vehicle fleets to 2- and 3-wheelers, the electrification trend in transportation is transforming the need for different systems and component technologies to ensure safety while speeding up charging times and vehicle time to market for vehicle OE
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Date:
01/01/2023
Using PoE as the Backbone for IPS and RTLS

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Figure 1: Transmitter and Receiver Arrangement in the AoA Method

­In response to the continued evolution of connectivity, it is now common for new or renovated office buildings and warehouses to support Power over Ethernet (PoE) at an infrastructure level. Just like Ethernet, PoE is being used to connect devices such as surveillance cameras, intelligent lighting and other
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Date:
01/01/2023
Agriculture Digitization and its Underlying Technology

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Figure 1: Schematic describing soil composition

­Widely publicized in the media, there are rising concerns both within the agricultural industry and from government policymakers as to whether food production can keep up with unprecedented future demands. The ever-expanding population (especially in developing countries), combined with limited suitable land re
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Date:
01/01/2023
GaN: Solving the Dual Challenge of Sustainability and Profitability in the Data Center

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Figure 1. GaN powers products across the data center, industrial, automotive, consumer electronics, and Hi-Rel

­Internet traffic has increased by nearly two billion new users in the past five years, creating challenging new demands on the overall Internet and cloud infrastructure. At the same time, cloud operators have significantly ramped technology investments in sustainability, scalability, and profitability. At the ce
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Date:
01/01/2023
Aluminum Electrolytic Capacitor Performance and Circuit Impacts

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Figure 1: The construction (right) and cross section (left) of an aluminum electrolytic capacitor.

­A growing number of applications, ranging from solar power converters all the way to miniature power supplies for highly complex processing cores, are starting to capitalize on the benefits of aluminum electrolytic capacitors. Aluminum electrolytics are also increasingly used to satisfy miniaturization demands in
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Date:
01/01/2023
Empowering Advanced Motorized Applications with Optimal Current Sensing

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Figure 1. Next generation power sensing technology is essential for tomorrow’s transportation vehicles, related charging infrastructure and industrial motors & equipment

­The growth of power and functionality in the latest electronic systems, especially motorized products, has resulted in increasing demands for more efficiency, precision, reliability, and safety. The need for precise power and motion control in these next-generation products put pressure on the electronic design en
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Date:
01/01/2023
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