Technical Features

February 2012
QSPICE: A Mission to Get SPICE Right

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Figure 1: MOSFET channel punch-through showing outputs from previous SPICE simulators vs. QSPICE

Qorvo’s QSPICE™ simulator for analog and mixed-signal simulation provides power designers with the tools to confidently evaluate their designs. Free to use, QSPICE improves SPICE basics, supports large amounts of digital logic without performance penalties, and delivers the speed and accuracy needed for rel
Date:
11/29/2024
Digital Power

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Compared to traditional analog PWM controllers, Digital power controllers provide an extremely high level of flexibility and programmability over the serial interface bus. The designer
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Date:
02/03/2012
Efficient Utilization

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Figure 1: Harmonic Performance

As a designer and manufacturer of critical power systems used in airborne, shipboard and ground-based applications in the defense and commercial markets, Excelitas Technologies recognizes the
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Date:
02/03/2012
Energy Saving

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Figure 1: Development of Converged Network Adapter ASICs

Wouldn't it be nice to save 25% to 30%, or even more, in circuit board power dissipation in your next design? While for some designs such a savings would just be nice to have, for
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Date:
02/03/2012
High Power solutions

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Many applications in power management are based on buck topology. The purpose of this application note is to describe a technique to overcome the current limitation of these solutions. The
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Date:
02/03/2012
Energy Efficient Micros

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Figure 1: Power budget

Although power consumption is the product of operating voltage (Vcc) multiplied by the current consumption (Icc), current consumption is usually the only parameter considered when describing the power
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Date:
02/03/2012
Innovative Drives

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Figure 1: Internal structure of the ITRIP and RCIN sections

The megatrends in consumer drive systems are unbroken: The numbers of units are growing and so are the number of comfort features and quality requirements for the drive. With Infineon's
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Date:
02/03/2012
White Goods Efficiency

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Figure 1. CAPZero high-level functional diagram

Recent studies have indicated that standby power consumption can range as high as 10 percent of all domestic electricity usage. Over the last few years, multiple programs - including
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Date:
02/03/2012
Circuit Protection Design

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Figure 1: Typical solar power system diagram

Increasing demand for clean electrical power has led to a focus on renewable energy sources such as solar power. Solar power systems are independent power generation systems meant to power
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Date:
02/02/2012
Renewable Energy Parking

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A new solar carport transforms the parking space into a provider of green power that should delight designers and owners of electric cars alike. Fitted with innovative lightweight solar
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Date:
02/02/2012
Optimized Design for High-Temp Operation

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Figure1: The test circuit used for all turn-off measurements Lcomm= 3.2 μH?Configuration 1: Cclamp = 10 μF, Rclamp = 0.625 ?, L? = 330 nH?Configuration 2: Cclamp = 20 μF, Rclamp = 0.37 ?, L? = 325 nH

A 4.5 kV IGCT (Integrated Gate Commutated Thyristor) with extraordinary high Safe Operating Area (SOA) at 140°C is presented. The improvements for the IGCT were achieved by optimizing the corrugated
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Date:
02/02/2012
Monitoring the Energy

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National Wind Energy Centre

NEL is a world-class provider of technical consultancy, research, testing, flow measurement and programme management services to the energy, oil & gas manufacturing industries and government. The
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Date:
02/01/2012
Inverter Efficiency

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At least two power reactors are needed for solar inverters: one in the boost converter (step-up chopper) and one at the ouput of the inverter for EMC filtering. Besides the IGBTs, the losses in the reactors are a major determining factor of the overall efficiency of the inverter

Low-loss and high saturation flux density core materials in reactors and transformers are a key determining factor for the efficiency of inverters. The new TDK PE90 ferrite is a cutting-edge
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Date:
02/01/2012
Solar Battery Charger

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Figure 1: Typical off-grid PV system

Photovoltaic cell technology over the last few years has reached levels of cost and efficiency that enable its use in new markets. Due to the varying sunlight conditions, energy storage
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Date:
02/01/2012
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