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+ - Your audio amplifier as a stable, efficient, bi-directional power supply

Submitted by plawson
plawson (73164) writes "From an article in EDN (http://www.edn.com/electronics-products/electronic-product-reviews/other/4410454/CogniPower-among-the-giants-at-APEC-2013): CogniPower's Predictive Energy Balancing audio amplifier operates on a completely different principle from other switched-mode amplifiers. This new topology offers the efficiency of the most efficient switched-mode amplifiers with the fidelity of a linear amplifier. They enable better sound for cell phones, tablets and portable media players while extending battery life. These amplifiers can be significantly smaller and less expensive than the amplifiers used now. In addition, the technology is scalable from piezo speakers for cell phones to theater speakers. The PEB amplifier is essentially a bidirectional power converter. Once its capabilities as an audio amp are appreciated, it can be operated as a DC/AC or DC/DC converter. Its bidirectionality even allows it to operate as an energy harvesting device. There are many applications for this architecture such as MRI machines, switched-mode power supplies, Point of Load Converters, LED Lighting, Electric Vehicles, Smart Grid, Computers and File Servers, Solar Inverters, AC-AC Converters, etc. How would you apply this technology?"
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Your audio amplifier as a stable, efficient, bi-directional power supply

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