Latest News About Power Supplies, Batteries & Transformers

Eight papers from Imec at ISSCC

Imec is to present eight papers at this year’s ISSCC, starting next week, featuring ultra-low power design for wireless broadband communication, for wireless sensor networks, and organic electronics…

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Power Integrations turns to cloud for design tool

Mains power chip firm Power Integrations has released a cloud-based app version of its PI Expert Suite power supply design tool. Previously, users downloaded the tool to a local PC or workstation. “With the cloud-based version, designers may access the design tool from any internet browser and can…

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Design ideas: Ten best ways to split a voltage rail

There are a number of reasons why an engineer would want to “split” a voltage rail in their design. Sometimes parts of the circuit, like a sensor or an IC, require a bipolar supply. Other reasons are to make the best use of the dynamic range of your ADC if…

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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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