Electronic Design

Radical Approach: Active EMI Filter IC Shrinks Higher-Power AC-DC Supplies

A new IC-based approach to EMI filtering in ac-dc power subsystems dramatically cuts inductor size and offers other benefits as well. The nature of the EMI problem in ac-dc supplies and its ...
Electronic Design

Standalone Active EMI Filter ICs Support High-Density Power Supply Designs

This article appeared in Microwaves & RF and has been published here with permission. Check out more of our APEC 2023 coverage. In its Booth #916 at APEC 2023, Texas Instruments (TI) is debuting the ...
New Electronics

TI unveils stand-alone active EMI filter ICs for high-density power supply designs

Texas Instruments (TI) has unveiled what it claims is the industry’s first stand-alone active electromagnetic interference (EMI) filter integrated circuits (ICs). Intended to help engineers implement ...
pv magazine International

Scientists use series active filter to improve power quality of grid-tied PV

Scientists in the Middle East have developed a series active filter to improve power quality in grid-tied PV systems, consisting of an inductor, two capacitors, and four transistor-diode pairs. The ...
EDN

Buck controllers integrate active EMI filter

Optimize the size and EMI of power supply designs with the LM25149-Q1 and LM25149 DC/DC buck controllers from Texas Instruments. Each of these 42V synchronous controllers features an integrated active ...