Latest News About Power Supplies, Batteries & Transformers

TDK-Lambda saves space in power supplies

Devon-based power supply maker TDK-Lambda has patented a space and cost-saving method of heat-sinking power components. In particular, it applies to a daughter-board with mixed surface-mount (SMD) and through-hole components, that is soldered vertically into into a horizontal power supply motherboard. The reason…

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Floating solar plant tested in India

A floating solar power plant has been installed in India by Vikram Solar. The R&D installation is part of a test project for Vikram Solar’s new floating module technology in cooperation with the Arka Renewable Energy College in Kolkata. The project aims to create a system suitable…

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Integrated PMIC from Toshiba

Toshiba is sampling a power management IC (PMIC) for mobile products called TC7734FTG  made on a 130nm analogue process with low on-resistance (power path FET’s on-resistance typically 220mΩ) and low gate charge characteristics, and integrates various power management blocks within a single device…

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TDK improves PFC efficiency

Power factor correction (PFC) can be more efficient at partial loads, according to UK power supply firm TDK-Lambda, which has patented its technique. PFC is a technique employed in mains power supplies to prevent them injecting harmonic distortion into the mains (see box below). However, “the switching loss in…

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GaN power transistors on standard PCB

Gallium nitride power transistor maker GaN Systems has issued an application note showing how to use its novel GaNPX packaging on FR4 PCBs. GaNPX is a package in which the die is embedded within stacked laminate. “A series of galvanic processes replace conventional packaging techniques such as clips, wire bonds…

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Connector maker targets wireless power

Molex is responding to the proliferation of wireless interconnect for power as well as data and the connector company has partnered and invested in Chicago-based developer of wireless power antennas, NuCurrent. NuCurrent specialises in the design of low resistance antennas, used medical devices. But now it is focusing on…

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Supercapacitors operate at automotive temperatures

New York supercapacitor maker Ioxus has announced high temperature 1,250F cells that “function properly at temperature ranges of -40 to 85°C, and deliver 2.7V at these temperatures”, said the firm, which is aiming them at automotive use. The chemistry required to extend operation to this range has…

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