Power Integrations’ New Charger Design for Smart Mobile Devices Showcases High Power Density Capability of InnoSwitch ICs

April 15, 2015

10 W CV/CC charger easily meets DOE-6 and European CoC Version 5, Tier 2 efficiency standards at the end of the cable

SAN JOSE, Calif.--(BUSINESS WIRE)-- Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today announced RDK-420, a new reference design kit for a 10 W CV/CC USB charger based on the company’s revolutionary InnoSwitch™-CH family of highly integrated switcher ICs. InnoSwitch ICs combine the primary-side switch together with primary and secondary controllers and feedback circuits into a single, worldwide safety-rated, surface-mount package.

InnoSwitch ICs leverage accurate secondary-side regulation (SSR), using Power Integrations’ high-speed digital FluxLink™ technology to communicate direct voltage and current measurements across the safety isolation barrier. This new feedback technique permits precise control without the need for a bulky optocoupler, while avoiding the performance compromises inherent in primary-side regulation (PSR), such as limited accuracy and efficiency and poor transient response versus no-load consumption. Other benefits include: ±3% CV, ±5% CC regulation; cable voltage-drop compensation; built-in synchronous rectification driver for high efficiency; <10 mW no-load input power; and accommodation of transformer manufacturing tolerances.

Comments Shyam Dujari, director of product marketing at Power Integrations: “This reference design shows the high power density, high performance and high efficiency that can be achieved using our InnoSwitch ICs. The excellent no-load performance is one of the key reasons why several of the world’s leading mobile device makers are already in mass production of chargers using InnoSwitch ICs.”

RDK-420 can be purchased from Power Integrations. A complete reference design report (RDR-420) is also available containing the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout and performance data required to build a 85 VAC – 264 VAC input smart mobile / USB charger with 5 V, 2 A output, measured in accordance with new US Department of Energy standards (DOE-6) and European Union Code of Conduct (CoC) Version 5, Tier 2 at the end of a USB cable. For more details, please visit http://www.power.com/rdk.

About Power Integrations

Power Integrations, Inc. is a leading innovator in semiconductor technologies for high-voltage power conversion. The company’s products are key building blocks in the clean-power ecosystem, enabling the generation of renewable energy as well as the efficient transmission and consumption of power in applications ranging from milliwatts to megawatts. For more information please visit www.power.com.

Power Integrations, InnoSwitch, FluxLink and the Power Integrations logo are trademarks or registered trademarks of Power Integrations, Inc. All other trademarks are the property of their respective owner.

Source: Power Integrations, Inc.

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Peter Rogerson, 408-414-8573

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