Technical Features
Current
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Wolfspeed, a Cree company, has introduced the Wolfspeed WolfPACKTM family of power modules, which feature silicon carbide (SiC) devices in a well-known power module package. The modules are built on the years of research and optimization Wolfspeed has dedicated to its SiC material and devices. Along with critical
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Date:
06/01/2021
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Figure 1. Schematic of the CoolGaN™ 100 V-based motor drive
Introduction
Robotics is an interdisciplinary field with a strong focus on integration and system optimization. Applications include service robots, collaborative as well as industrial robots, autonomous drones, and automated guided vehicles.
An optimized design of the motors and drives in these robotic applications is key for a successful end-product. In a conventional, silicon-based (Si) d
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Date:
06/08/2021
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Figure 1. BDPS configurations
Introduction
The global market for battery-powered applications is rapidly growing, including power tools, consumer robotics, light electric vehicles, and many others.
The evolution of switched-mode power supply (SMPS) topologies enables designers to ensure safe charging and discharging of the equipment’s battery using bidirectional converters through
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Date:
06/08/2021
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Figure 1. Infineon’s AIROC™ product portfolio enables small-form-factor IoT designs
Service robots – complexity in design, simplicity to the end-user
Innovations in robotics have been accelerated as their use cases span a wide range of different markets. In general, robotic systems can be categorized into four categories: industrial robots, collaborative robots (cobots), service robots, and
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Date:
06/08/2021
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Figure 1: CISPR 25 conducted emissions measurement set-up
Switch Mode Power Supply technology has drawbacks such as the generation of switching harmonics. Converter waveforms are not a pure sinusoid and, consequently, they generate harmonics. The topology chosen and switching scheme deployed will directly influence the magnitude of harmonics generated.
The purpose of this applic
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Date:
06/01/2021
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Figure 1: Flyback Converter Schematic
Although simple, the flyback converter design offers great advantages for certain applications. New, more complex topologies have surfaced in recent years, but flyback converters remain a popular design choice.
These switch-mode power converters offer competitive size, cost, and efficiency ratios in the lo
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Date:
06/01/2021
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Figure 1. Classic instrumentation amplifier
The need for PGIAs arises because of the often-encountered case of adapting the circuit to a wide range of sensors or environmental conditions.With a fixed gain, suboptimal SNR could compromise precision. Techniques useful in creating accurate, stable PGIAs are discussed in, “Programmable Gain Instrumentation Am
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Date:
06/01/2021
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Figure 1: Simple Single Channel Isolated Drivers Line up
Among the few methods of isolating a gate driver, the latest innovations of the coreless transformer technology are paving the way for compact and efficient gate drivers for high voltage systems.The conventional isolated gate driver technology, including discrete transformer, opto isolated, and capacitive methods, th
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Date:
06/01/2021
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Figure 1. UV-C light-disinfecting robot
The Ultraviolet (UV) disinfection equipment market is projected to grow from $1.3 billion in 2019 to $5.7 billion by 2027. Applications for this market are found in a variety of areas such as water treatment, wastewater treatment, air treatment, food & beverage disinfection, and surface disinfection.
We've witnessed
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Date:
06/01/2021
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Figure 1: A digital camera connected to a tablet via a USB-C cable
USB-C and USB-C power delivery raise voltage and power levels. A new reversible connector with tighter pin pitch than that of USB Micro-B, increases the risk of short circuits. This, in conjunction with the ever-increasing complexity of portable devices leads to enhanced ESD, surge and overvoltage protection re
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Date:
06/01/2021
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Figure 1. LED lighting controls now serve a key entry point into building automation systems, which uses interconnected networks of software and hardware to monitor and control all the building’s electrical and mechanical systems
The “lighting revolution” is old news now.
Building automation is the new bedrock-shifting event unfolding within the building world now, and it too is being spurred by advancements in LED technology and controls.
The premise that lighting should be independent from other building systems is now antiquate
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Date:
06/01/2021
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Figure 1: DALI+ is DALI lighting control plus wireless and IP-based networking
When it comes to the best-practice design of power systems that supply lighting loads to commercial and industrial facilities, typical considerations include avoiding unwanted effects such as voltage drop, flicker and transients. For this reason, effective lighting control is among the fundamental concepts that ca
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Date:
06/01/2021
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Figure 1: LED lighting improved visibility at hazardous chemical processing plant
Every seven seconds, a U.S. worker is injured on the job, resulting in some 105 million total days lost to work-related injuries each year. Even more troubling, some 4,572 people were killed in preventable workplace incidents in 2019 alone.
In addition to the toll these tragedies take on workers and their fam
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Date:
06/01/2021
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Figure 1: Headlight FOV with only a base light module
Recently, there has been a big push in the automotive lighting industry to improve both vehicle headlight functionality and driver visibility, which has led to the development futuristic headlight technologies such as adaptive driving beam (ADB) and high-resolution headlights.
Adaptive beam headlights
Drivers use headlights t
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Date:
06/01/2021
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Figure 1: 3D time-of-flight QVGA
Time-of-flight (ToF) sensors are being increasingly used for a variety of in-cabin automotive monitoring applications, including monitoring the gaze direction and head position of the driver. A ToF device is a sensor that detects wavelengths of light. Light waves are modulated at high frequencies—in the lower to
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Date:
06/01/2021
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