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PI's new smart mobile device charger design demonstrates the high power density capability of InnoSwitch IC
Power Integrations today released a new reference design kit RDK- 420, this 10 W constant voltage/constant current USB charger is based on PI's innovative InnoSwitch™- CH series high integration switch IC design. InnoSwitch IC integrates the primary side switch with the primary controller, secondary controller and feedback circuit into a surface mount package conforming to global safety standards.
This reference design shows the high power density, high performance and high efficiency that can be achieved with our InnoSwitch IC. Its excellent no-load performance is one of the main reasons why many world-renowned mobile device manufacturers use InnoSwitch IC in mass production of chargers.
InnoSwitch IC uses precise secondary side regulation (SSR) And high speed digital FluxLink™ Technology, passing direct voltage and current measurements across the safety isolation layer. This new feedback technology can achieve precise control without a large optocoupler, while avoiding primary side regulation (PSR) Inherent performance defects, such as limited accuracy and efficiency, and slow transient response relative to no-load power consumption. Other advantages include: ±3% constant pressure, ±5% constant current adjustment; Cable voltage drop compensation; Built-in synchronous rectification with high efficiency; <10 mW no-load input power; And adaptability to transformer manufacturing tolerance.
Shyam Dujari, product marketing director of Power Integrations, said: this reference design shows the high Power density, high performance and high efficiency that can be achieved with our InnoSwitch IC. Its excellent no-load performance is one of the main reasons why many world-renowned mobile device manufacturers use InnoSwitch IC in mass production of chargers.
RDK- 420 can now be ordered from Power Integrations. A Complete Reference Design Report (RDR-420) , Including the design of an 85 VAC-with 5 V/2 A output- 264 VAC input power specifications, circuit schematics, bill of materials, transformer specification files, printed circuit board layout and performance data required for intelligent mobile/USB chargers. The measurement is based on the new U. S. Department of Energy (DOE-6)And the EU code of conduct (CoC) 5th edition 2nd stage USB cable end efficiency standard.