Power Integrations First to Demonstrate Qualcomm Quick Charge 2.0 Smartphone Charger Reference Design

October 18, 2013

DER-381 lets designers evaluate ChiPhy AC-DC wall-charger interface IC

SAN JOSE, Calif.--(BUSINESS WIRE)-- Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today introduced the first reference design for a Qualcomm® Quick Charge 2.0-enabled charger power supply. Launched earlier this year, the Quick Charge 2.0 protocol from Qualcomm (Nasdaq:QCOM) enables users to charge mobile devices, such as tablets and cellphone handsets, up to 75% faster than when using conventional USB charging technology.

Power Integrations has developed the ChiPhy™ family of AC-DC wall-charger interface ICs which, when combined with the company’s AC-DC switcher ICs, incorporates all of the necessary elements to add rapid charging functionality to AC-DC wall chargers. The CHY100 IC detects commands from a Quick Charge 2.0-enabled device, and adjusts the output voltage of the AC-DC wall charger to deliver increased power to the device’s battery through a standard USB cable. When plugged into a five-volt USB-powered device without Quick Charge 2.0 capability, CHY100 IC automatically disables the higher-voltage capability to ensure safe operation and backwards compatibility with older hardware.

An evaluation platform for ChiPhy ICs, DER-381 describes a CV/CC charger power supply capable of up to 24 W utilizing TOPSwitch™-JX switcher and CHY100D interface ICs. The PSU operates from universal input and provides selectable output voltages (5 V, 9 V, and 12 V) with a maximum constant current of 2 A. The TOPSwitch-JX IC maintains virtually constant efficiency across a very wide range of output voltages and current load conditions.

Comments Peter Vaughan , director of application engineering at Power Integrations: “DER-381 shows, for the first time, how a Quick Charge 2.0 charger power supply can be successfully implemented using the latest generation of Power Integrations’ switcher and interface ICs and simple optocoupler feedback.”

DER-381 can be downloaded at http://www.powerint.com/sites/default/files/PDFFiles/der381.pdf

About Power Integrations

Power Integrations, Inc., is a Silicon Valley-based supplier of high-performance electronic components used in high-voltage power-conversion systems. The company’s integrated circuits and diodes enable compact, energy-efficient AC-DC power supplies for a vast range of electronic products including mobile devices, TVs, PCs, appliances, smart utility meters and LED lights. CONCEPT IGBT driver systems enhance the efficiency, reliability and cost of high-power applications such as industrial motor drives, solar and wind energy systems, electric vehicles and high-voltage DC transmission. Since its introduction in 1998, Power Integrations’ EcoSmart® energy-efficiency technology has prevented billions of dollars’ worth of energy waste and millions of tons of carbon emissions. Reflecting the environmental benefits of the company’s products, Power Integrations’ stock is included in the NASDAQ® Clean Edge® Green Energy Index, The Cleantech Index®, and the Ardour Global IndexSM. For more information, including design-support tools and resources, please visit www.powerint.com; visit Power Integrations’ Green Room for a comprehensive guide to energy-efficiency standards around the world.

Power Integrations, TOPSwitch, ChiPhy and the Power Integrations logo are trademarks or registered trademarks of Power Integrations, Inc. All other trademarks are the property of their respective owners.

Source: Power Integrations, Inc.

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