Technical Features

July 2013
Fuji Electric 7th Generation IGBT Technology Powers Today’s High Efficiency Energy Conversion Systems

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Figure 1: IGBT cross sectional structure

Today’s Power Electronic market is driving development of compact, low-loss, and, high-reliability IGBT modules to optimize power conversion systems. In response, Fuji Electric has developed our 7th generation X-Series IGBT technology combining enhanced semiconductor chip characteristics and improved
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Date:
06/16/2019
New power architecture addresses PFC load efficiency issues

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Figure 1: Block Diagram of an Isolated AC/DC Compound Converter

As Power Factor Correction (PFC) migrates to lower power AC/DC converters, maintaining efficiency at low loads becomes an increasing challenge. The approach usually taken involves adding an extra
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Date:
07/08/2013
Technology trends in mobile charging

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Figure 1: Greenchip solution based on TEA1720B and TEA1705

Mobile battery capacity is increasing to cope with the extra energy demands of power-hungry features, larger displays and more powerful CPUs. With bigger batteries to charge, how can system designers
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Date:
07/08/2013
Filter capacitor considerations

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Figure 1. Theoretical (left) and Actual (right) models of a capacitor.

Due to the constant evolution of consumer electronics, efficient power conversion is critical for reliable performance, and the filtering of output ripple is a critical factor in supplying consistent
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Date:
07/08/2013

MEMS Time-Keeper Extends Standby Life of Mobile Devices

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Figure 1: Block diagram showing high-level architecture of a smart phone

With un-tethered instant access to data, news and entertainment, consumers are spending more time on Smartphones and mobile devices. Device users are demanding faster connectivity, multi-core Ghz+
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Date:
07/08/2013
Next-generation SJ MOSFETs extend performance of silicon-based power devices

Figure 1

For more than a decade, development of Infineon's CoolMOS™ super-junction (SJ) MOSFET technology has extended the "silicon limit line" that restricts the performance of planar-type power MOSFETs.
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Date:
07/05/2013