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Technical Features

August 2011
Understanding and Overcoming the Challenge of Powering AI in Data Centers

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Figure 1: 4:1 Zero-voltage switching (ZVS) switched capacitor (ZSC) topology

Understanding and Overcoming the Challenge of Powering AI in Data Centers
By:Matt Hunter, Senior Application Engineering Manager, Infineon Technologies

Introduction Today’s data centers typically contain a dual-CPU server connected to multiple hard drives. These server systems excel at storing large amounts of information while processing a limited amount of it. However, they are not optimized for number crunching the huge volumes of data that help keep us safe from hackers, answer questions about the universe, or even drive an auto
. . . Read More
Date:
09/01/2022
EMC Compliance

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Figure 1: Supply lines - eliminate loops and decouple at local boundaries

EMC Compliance
Paul Lee, Director of Engineering, Murata Power Solutions

International regulations regarding electromagnetic compatibility (EMC) affect many aspects of circuit and system design. However, there are numerous techniques that can be applied to reduce both
. . . Read More
Date:
08/17/2011
Multi-domain Simulation

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Figure 1: Structure of the SaberRD environment

Multi-domain Simulation
Thorsten Gerke, Business Development Manager, Saber product line Synopsys Inc & Kurt Mueller, Business Development and Consulting Services Manager, Saber product line Synopsys Inc

Electrification is driving the need for comprehensive multi-domain system simulation in hybrid-electric and electric vehicles. A vehicle's power electronic components, coupled with the overall
. . . Read More
Date:
08/17/2011
System-on-Chip GNSS Solution

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Table 1: Teseo-II Urban Canyon Performance

System-on-Chip GNSS Solution
Jeff Wilson, Senior Staff Engineer, STMicroelectronics

Global Navigation Satellite System (GNSS) is the general term for satellite tracking systems and covers GPS, Galileo, GLONASS, QZSS and Compass constellations. Systems for urban canyon applications
. . . Read More
Date:
08/16/2011
Power Packaging

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Figure 1: The Die Free package resistances of different power semiconductor packages

Power Packaging
Benjamin Jackson, Manager Automotive Power Switch, Product Management & Business Development, International Rectifier

The 2011 automotive year started with the Detroit Auto show where the new Chrysler 300 was launched, its headline, a 3.6l V6 engine delivering a whopping 292 hp (218 kW), 41 hp (31 kW) more than
. . . Read More
Date:
08/16/2011
Automotive Lighting - LEDS

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Figure 1: The new innovative body architecture allows a significant wire harness reduction in comparison to today's architecture

Automotive Lighting - LEDS
Herbert Hopfgartner and Stefan Stoegner, Application Engineers, Infineon Technologies

One of the latest automotive design trends is LED lighting. LEDs (Light Emitting Diodes) are used for tail lights, interior lights such as ambient lighting, and LED front lights. Front light
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Date:
08/16/2011
Automotive Lighting - HID Applications

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Figure 1: Ballast-Igniter Circuit

Automotive Lighting - HID Applications
Evangelista Boni, Davide Montanari, Luca Caliari, Kemet Electronics Italy John Bultitude, Reggie Phillips, Mark Laps, Bill Sloka, William Buchanan, KEMET Electronics Corporation

High Intensity Discharge (HID) headlamps are superior replacements for conventional heated-filament headlamps that require about 25kV applied to the lamp electrodes to ionize the Xenon gas and
. . . Read More
Date:
08/16/2011
EV/HEV Measurements

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Figure 1: Typical positioning of high-voltage vehicle components

EV/HEV Measurements
Dipl.-Ing.(FH) Harry Störzer Manager Application and Support IPETRONIK GmbH & Co.KG

Recent industry trends toward high-performance electric and hybrid vehicle (EHV) drives has created a whole new set of testing requirements. New Drive Technologies, New Safety Requirements New
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Date:
08/16/2011
Automotive Protection

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Figure 1: Principle of Car Wiring Harness Pulse Immunity Test Using an ESD Simulator ("ESD Pulse Gun")

Automotive Protection
Stephan Gerlach, Senior Applications Engineer, Atmel, Heilbronn, Germany

System-level tests for EMC pulse immunity have been established in order to test the immunity of an electronic device or module against strong electromagnetic fields such as a close AM or FM transmitter
. . . Read More
Date:
08/15/2011
Power Design for Vital Auto Devices

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Figure 1: Boost Buck Structure

Power Design for Vital Auto Devices
Jun Liu and Zaki Moussaoui, Intersil Corporation, Milpitas, CA

A main challenge for an automotive power system designer is to deal with the 12V car battery voltage fluctuations. The battery voltage can drop significantly during load crank. This voltage
. . . Read More
Date:
08/15/2011
Auto Efficiency

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Figure 1: Typical LTC3859A Start/Stop Application Schematic

Auto Efficiency
Bruce Haug, Sr. Product Marketing Engineer, Power Products, Linear Technology

Many automotive manufactures have devised a clever way of saving fuel in automobiles by using a new concept called a "Start/Stop" system. This system automatically switches off the engine when
. . . Read More
Date:
08/11/2011
Electric Vehicle Dynamics

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Figure 1: Spectrum of a 250A DC charger used for testing G3-PLC operation

Electric Vehicle Dynamics
Jim LeClare, Principal Member of Technical Staff and Scot Robertson Executive Business Manager for Powerline Products, Maxim Integrated Products

Electric vehicles (EVs) and plug-in hybrid electric vehicles (PHEVs) are building a viable market of mobile electrical energy consumers. New relationships between electricity providers (the utility
. . . Read More
Date:
08/04/2011
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