Automotive & Transportation

May 2023
PSDcast - Superconductors and Maglev Trains

Dr. Zhifeng Ren, director of the Texas Center for Superconductivity at UH

The promise of superconductivity for electrical power transmission and transportation has long been held back by high costs. Now researchers from the University of Houston and Germany have demonstrated a way to cut the cost and upend both the transit and energy transport sectors by using superconductors to move pe
. . . Learn More
Date:
05/31/2023
Combining Lowest RDS(on) + SMT for Space-Limited, High-Performance Apps

Click image to enlarge

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) (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 mu
. . . Learn More
Date:
05/30/2023
Resin-Molding MLCCs from Murata Attain the Creepage Distance Needed by High-Volt EV Powertrains

Resin-Molding MLCCs from Murata Attain the Creepage Distance Needed by High-Volt EV Powertrains

­Leading electronics manufacturer Murata has introduced multi-layer ceramic capacitor (MLCC) products that successfully draw on the company’s advanced resin molding capabilities. The resulting EVA series of MLCCs have properties that will be highly appealing to electric vehicle (EV) manufacturers. Among the pl
. . . Learn More
Date:
05/25/2023
Long-Reaching USB 3.2 Compatible Reclocker/Redriver Devices for Automotive and Industrial Applications

Long-Reaching USB 3.2 Compatible Reclocker/Redriver Devices for Automotive and Industrial Applications

­The standard universal serial bus or USB connection is an industry mainstay that transfers data between two devices. The increase of adding electronic components to applications across the automotive, industrial and consumer industries has spurred the need for far-reaching USB cabling products. To provide lo
. . . Learn More
Date:
05/25/2023
Industry-leading class D amplifiers at every power level: Part 4 of 4 Editorial Series sponsored by Infineon; “Looking to the future of class D audio amplifiers”

Click image to enlarge

Figure 1. Typical application circuit for Infineon’s MERUS™ MA5332MS MCM class D amplifier

­The fourth and final article of this series about using class D amplifiers discusses the benefits that Infineon’s MERUS™ MA53x2MS series of multi-chip modules (MCM) brings to mid-power audio applications ranging from 50 to 200 W. The benefits that Gallium Nitride (GaN) semiconductor technology could
. . . Learn More
Date:
05/23/2023
Industry-leading class D amplifiers at every power level: Part 3 of 4 Editorial Series sponsored by Infineon; “Class D amplifier solutions for high-power audio applications”

Click image to enlarge

Figure 1. Functional block diagram of Infineon’s MERUS™ IRS2092 class D audio amplifier driver

­The previous article in this 4-part series discussed the challenges of designing low-power audio equipment and showed how Infineon’s MERUS™ multilevel class D amplifiers could be used to overcome them. This third article looks at the figures of merit for audio amplifiers used in high-power audio applications (250+ W), like theatres, concert venues, mobile audio, and subwoofer applications.
. . . Learn More
Date:
05/23/2023
Industry-leading class D amplifiers at every power level: Part 2 of 4 Editorial Series sponsored by Infineon; “Multilevel Class D audio amplifiers for compact consumer application”

Click image to enlarge

Figure 1. The output stage of a traditional class D amplifier

­The first article in this series discussed how class D amplifiers generally offer substantially higher efficiency levels than other amplifier classes in audio applications. Nonetheless, they still face significant design challenges in low and mid-power compact consumer applications like portable sound systems an
. . . Learn More
Date:
05/23/2023
Industry-leading class D amplifiers at every power level: Part 1 of 4 Editorial Series sponsored by Infineon; “Class D Amplifier Solutions For Audio Applications at Every Power Level”

Click image to enlarge

Figure 1. Block diagram of a class D audio amplifier

­Making yourself heard can be challenging in a world where everyone seems to have something to say. However, one way to gain an advantage is by choosing a sound system that delivers unsurpassed audio quality using a high-efficiency class D amplifier. In this four-part series of articles, Infineon discusses
. . . Learn More
Date:
05/23/2023
New Long-Reaching USB 3.2 Compatible Reclocker/Redriver Devices for Automotive and Industrial Applications

New Long-Reaching USB 3.2 Compatible Reclocker/Redriver Devices for Automotive and Industrial Applications

­The standard universal serial bus or USB connection is an industry mainstay that transfers data between two devices. The increase of adding electronic components to applications across the automotive, industrial and consumer industries has spurred the need for far-reaching USB cabling products. To provide lo
. . . Learn More
Date:
05/17/2023
onsemi and Kempower Enter Strategic Agreement for Electric Vehicle Chargers

Asif Jakwani, senior vice president and general manager, Advanced Power Division, onsemi

­onsemi announced that under a new strategic agreement, it will provide Kempower with onsemi EliteSiC MOSFETs and diodes for scalable electric vehicle (EV) chargers. The ongoing collaboration between the two companies enables Kempower’s suite of EV charging solutions with a variety of
. . . Learn More
Date:
05/15/2023
­Introduction Effective galvanic isolation is crucial in high-voltage applications to prevent unwanted leakage currents from flowing between two parts of a system with different ground potentials (GPD) [1]. As depicted in Figure 1 (left), the DC return current from the input to the output can cause a potentia
. . . Learn More
Date:
05/14/2023
­1 watt DC/DC converters with 480 VAC isolation voltage

TRACO POWER’s new TRI 1 and TRI 1SM

  The core characteristic of the TRI 1(SM) series is a sophisticated reinforced isolation system which is able to withstand high test voltages (8000 VDC for 1s and 3000 VAC for 60s) and working voltages (480 VACrms). Efficiencies up to 84% allow safe operation from –40°C to +85°C without derating.
. . . Learn More
Date:
05/10/2023
Simulation Model of Industry's First 1200 V GaN-on-Sapphire Device Released by Transphorm

Simulation Model of Industry's First 1200 V GaN-on-Sapphire Device Released by Transphorm

­Transphorm, Inc. announced availability of its 1200 V FET simulation model and preliminary datasheet. The TP120H070WS FET is the only 1200 V GaN-on-Sapphire power semiconductor introduced to date, making its model the first of its kind. Its release indicates Transphorm’s ability to support future au
. . . Learn More
Date:
05/10/2023
Image Sensor Family Leads the Way in Next-Generation ADAS to Make Cars Safer

Image Sensor Family Leads the Way in Next-Generation ADAS to Make Cars Safer

­onsemi announced the launch of its Hyperlux automotive image sensor family. With a 2.1 µm pixel size, industry-leading 150dB ultra high dynamic range (HDR) and LED flicker mitigation (LFM) across the full automotive temperature range, the Hyperlux family provides high performance, speed and advanced fe
. . . Learn More
Date:
05/09/2023
Silicon Carbide E-Fuse Demonstrator Provides a Faster, More Reliable Method for Protecting Power Electronics in Electric Vehicle Applications

Silicon Carbide E-Fuse Demonstrator Provides a Faster, More Reliable Method for Protecting Power Electronics in Electric Vehicle Applications

­High-voltage electrical subsystems throughout Battery Electric Vehicles (BEVs) and Hybrid Electric Vehicles (HEVs) require a mechanism to protect the high-voltage distribution and loads in the event of an overload condition. To provide BEV and HEV designers with a faster and more reliable high-voltage circuit pr
. . . Learn More
Date:
05/09/2023
High-Power Modules Enable Energy-Efficient Electrified Trains to Drive Decarbonization

High-Power Modules Enable Energy-Efficient Electrified Trains to Drive Decarbonization

­To meet global climate targets, transportation must shift to more environmentally friendly vehicles such as energy-efficient electrified trains. Trains, however, have demanding operating profiles with frequent acceleration and braking, while being expected to operate reliably over a long service life. Consequently, en
. . . Learn More
Date:
05/08/2023
Volvo Trucks Tests Hydrogen-Powered Electric Trucks on Public Roads

Volvo Trucks Tests Hydrogen-Powered Electric Trucks on Public Roads

­Last year, Volvo Trucks showcased its fuel cell electric trucks for the first time. These zero exhaust emission trucks use hydrogen to produce their own electricity onboard, can travel long distances, making them suitable for longer transport assignments.  Now, the trucks have been
. . . Learn More
Date:
05/08/2023
1 Watt SIP or SMD Converter

1 Watt SIP or SMD Converter

­TRACO POWER announces their new TRI 1 (SIP-8) and TRI 1SM (SMD-14) families of 1 watt high isolation and regulated DC/DC Converters for industrial, transportation and instrumentation applications. Both SIP and SMD Families feature: • TRI 1 (SIP-8 models) offer 5 / 12 / 15V outputs  • TRI 1SM (SMD-14 mo
. . . Learn More
Date:
05/05/2023
Mouser Electronics and Navitas Semiconductor Announce Global Distribution Agreement

Mouser Electronics and Navitas Semiconductor Announce Global Distribution Agreement

­Mouser Electronics, Inc., announces a global distribution agreement with Navitas Semiconductor, the only pure-play, next-generation power semiconductor company and industry leader in gallium nitride (GaN) power ICs and silicon carbide (SiC) technology. According to the agreement, Mouser will offer customers Na
. . . Learn More
Date:
05/03/2023
PassThru Boost Controller for High Efficiency, Fast Transient Response Automotive and Industrial Supplies

Click image to enlarge

Figure 1. Electrical schematic of the boost converter based on LTC7804 with VIN 6 V to 20 V and VOUT 24 V at 6 A

­Boost power supply topology is increasingly popular in automotive and industrial electronics. A significant number of systems require a stable input rail where the upstream supply rail voltage can change significantly. Boost converters can be used to significantly increase application versatility. They enable ne
. . . Learn More
Date:
05/01/2023
What's Driving the Micromobility Market?

Click image to enlarge

Figure 1: EV bike rack

­Since 2015, more than 195 countries have adopted the Paris Agreement, an international treaty that seeks to combat climate change and its resulting effects. As signatories seek ways to slash carbon emissions, boost urban air quality, and reduce noise pollution in urban areas, interesting mobility solutions ha
. . . Learn More
Date:
05/01/2023
Archives

 


-->