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    Technical Features

    January 2012
    Gate Driver Choices for High Power Density Intermediate Bus Converters in AI Servers

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    Figure 1: Two-stage 48 V power architecture for an AI server, showing IBC and downstream point-of-load regulation

    Gate Driver Choices for High Power Density Intermediate Bus Converters in AI Servers
    Jeffrey Cumabig, Product Application Engineer, and Lei Song, Product Definition Engineer, both for gate drivers at Infineon Technologies AG

    ­1. AI server power delivery raises the density challenge AI accelerators concentrate more computing, and therefore more electrical power, within limited rack and board space. Supplying these loads is not simply a matter of increasing converter output. Every power‑delivery stage must balance conversion ef
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    Date:
    08/31/2026
    Smart Energy Metering Applications

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    Figure 1: Single-phase anti-tamper smart meter

    Smart Energy Metering Applications
    Petre Minciunescu, Systems engineer, Energy Metering Group & Brian Kennedy, Applications engineer Isolation Group, Analog Devices

    DC tolerant current transformers have long been used to sense ac currents in smart energy meters, but they have drawbacks and can be expensive. For some applications, resistive shunts make
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    Date:
    01/31/2012
    Cost-Optimized Solar

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    Figure 1: Typical Solar Panel Output Current & Power vs. Output Voltage Curve

    Cost-Optimized Solar
    Willie Chan?, Sr. Product Marketing Engineer?, μModule Power Products, Linear Technology

    The influence of clouds, trees, dirt, on the solar cell panel and the rotation of the sun causes problematic fluctuations in the amount power generation. The typical output current and
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    Date:
    01/31/2012
    Power Module Mounting

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    Figure 1a: State-of-the-art configurations

    Power Module Mounting
    Patrick Baginski, Field Application Engineer, Vincotech GmbH

    The mounting option for power modules has always been somewhat limited, meaning that the designer is constrained to a standard configuration. These new modules overcome this problem. Most
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    Date:
    01/31/2012
    Miniaturized Modules

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    Figure 1: A wireless handset may need to cover 13MHz to 6GHz in future - figures show the Murata estimate for the take-up of various technologies

    Miniaturized Modules
    Mark Porter, Technical Development Manager, Murata Power Systems Fleet, UK

    Ceramic technologies are complementing semiconductor advances in enabling ever-more sophisticated and smaller wireless electronic systems. Improvements in ceramic materials technology have
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    Date:
    01/31/2012
    Spoilt for Choice - Power Switch Technologies for Renewable Applications

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    Figure 1: Offshore wind park ï½Lillgrundï½ in Sweden is connected to the main land via a 138kV high-voltage DC link (picture: Siemens)

    Spoilt for Choice - Power Switch Technologies for Renewable Applications
    Alfred Hesener Marketing Director - Europe Fairchild Semiconductor

    With 7 billion human beings living on this planet, and at the same time, the energy consumed by human beings is shifting more and more from oil to electricity Improving power density
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    Date:
    01/07/2012
    Battery Management
    Battery Management
    Odd Jostein Svendali, Field Application Engineer, Atmel, Norway

    Lithium Ion batteries are becoming the technology of choice for most portable applications requiring rechargeable batteries. The advantages include high energy density per volume and weight, high
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    Date:
    01/01/2012
    Challenging Charging
    Challenging Charging
    George Paparrizos, Summit Microelectronics

    This article discusses the selection process for deciding the battery charging topology in portable, consumer applications. The article analyzes system and battery conditions under which the benefits
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    Date:
    01/01/2012
    Digital Power Conversion

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    Figure 1a: The effects of parallel connecting two power supplies without share control

    Digital Power Conversion
    Andrew Skinner, Chief Technology Officer, TDK-Lambda UK

    Power supplies with digital control are gaining in popularity. However the term ‘digital control' is commonly applied to two quite different meanings. The two main terms are; ‘Digital power
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    Date:
    01/01/2012
    Digital Power Delivers Auto-Compensation

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    Figure 1: GUI view of Auto Compensation page

    Digital Power Delivers Auto-Compensation
    Chris M. Young Senior Manager, Digital Power Technology, Intersil Corporation

    Stability is a critical operational requirement for power supplies. In regulated power supplies, the stability is controlled, by a large part, by the characteristics of the feedback path.
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    Date:
    01/01/2012
    Delivering Precision Performance

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    Figure 1: Supplies are margined by changing the resistor connected to the Trim/FB node

    Delivering Precision Performance
    Randy Skinner, Staff Product Marketing Engineer, Lattice Semiconductor

    Modern microprocessors, FPGAs and other complex ICs require accurate power supply voltages, often more accurate, in fact, than the tolerances provided by commodity low-dropout regulators (LDOs)
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    Date:
    01/01/2012
    USB Modem Design
    USB Modem Design
    John Constantopoulos, Systems Engineer, WW Low Power DC-DC, Texas Instruments

    With USB being a standard interface in PC peripherals, the number of applications that can be powered from a USB port is increasing at an exponential rate. The need for flexibility and continuous
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    Date:
    01/01/2012
    Keep on Running
    Keep on Running
    Tom Karpus, Semtech Corporation

    These days, people can't live without cell phones. This is not a monumental revelation to anyone who has been at an airport, a shopping mall, or a park watching their children play. We close business
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    Date:
    01/01/2012
    Antenna Tuning Technology
    Antenna Tuning Technology
    Tero Ranta and Rodd Novak, Peregrine Semiconductor

    Thinner form factors, mobile TV and the requirement for power efficiency are placing extreme demands on the antenna, requiring a new approach to keep calls on track and antennas inside the handset. Footprints
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    Date:
    01/01/2012
    Portable Efficiency
    Portable Efficiency
    Peter A. Khairolomour, Technical Marketing Manager, Fairchild Semiconductor

    The handset world is seeing a burgeoning need for memory storage. This article discusses memory trends and different methods of powering SD Flash memory. The need for memory is being driven
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    Date:
    01/01/2012
    Archive

    Gate Driver Choices for High Power Density Intermediate Bus Converters in AI Servers

    Aug 31,2026
    Jeffrey Cumabig, Product Application Engineer, and Lei Song, Product Definition Engineer, both for gate drivers at Infineon Technologies AG

    Silicon Carbide Semiconductors: Gaining Widespread Adoption

    Jul 30,2026
    Jens Baringhaus, Chief Expert for Wideband Gap Technology and responsible for Bosch's SiC technology roadmap

    Innovation through Lean AI

    Jun 1,2026
    Crystal Chen, Product Marketing & Product Management, Infineon HiRel

    Molded Power Inductors

    May 29,2026
    Efrain Bernal-Alzate, Design Engineer, Würth Elektronik eiSos

     

     

     

     

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