STMicroelectronics and Flextronics Collaborate to Launch World's First Zero-No-Load Power Charger Platform

21ic News spans multiple electronic applications, the world's leading semiconductor supplier and power conversion chip leader STMicroelectronics (ST), and is committed to providing electronic product design, engineering, manufacturing and logistics for various industries and end markets. Serviced smart phone and tablet power adapter (adapter) leader, innovative supplier of supply chain solutions Flextronics, to develop a mobile product charging based on ST's multimode power management controller Platform. The new platform adopts the industry's most efficient power management architecture, achieving zero no-load power consumption and excellent dynamic load regulation. It has achieved important breakthroughs in charging technology applications. .

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In 2014, sales of portable devices, mobile phones, tablets and desktops were estimated to exceed 2.4 billion units*. If these products are not unplugged in time after charging, the charger left on the socket may waste 300 MW of power [1] The annual waste of electricity will exceed 2.5 billion kWh. The solution developed by STMicroelectronics and Flextronics can completely solve this waste of electricity and save at least 200 million gallons of oil per year [2].

Based on the STCH01 controller, the charging platform has a high degree of functional integration and is ideal for developing miniature high power density smartphone and tablet power adapters. ST's power management controllers use an innovative architecture that minimizes converter size and reduces the need for peripheral components, which in turn reduces equipment manufacturers' manufacturing costs.

Nate Vince, President of Flextronics' Power Business Unit, said: "We are honored to be able to work with STMicroelectronics to develop this revolutionary zero-load power charger platform. Flextronics is committed to driving product innovation and providing customers with high quality and energy efficiency. Power products to help them cope with the rapid changes in the market."

Matteo Lo Presti, vice president of the STMicroelectronics division and general manager of the Industrial and Power Conversion Products Division, said: "This STCH01-based solution has unprecedented energy efficiency and reduces standby power consumption to new lows. It is Flextronics' innovative architecture design and The perfect combination of STMicroelectronics' unrivaled power semiconductor technology. This collaborative project highlights ST's ability to work with partners to solve major technical challenges and develop innovative products. We can use this charger platform to develop our Energy Conservation and Smart Power are products that match the two strategic growth markets."

technical details

STMicroelectronics' STCH01 embeds a controller and two embedded FET power tubes in a compact SO16N package, making it a unique, full-featured integrated solution on the market, with a unique no-load wake-up from STMicroelectronics. (wake-up) Controller STWK01. These two chip combinations deliver the lowest no-load power consumption on the market with excellent dynamic load transition response.

The STCH01 features an innovative power conversion topology with the highest energy efficiency. The power converter size is 30% smaller than the industry standard flyback power conversion scheme. The internal smart jitter function further reduces electromagnetic emissions.

The STCH01 is equipped with a full range of protection features to ensure the reliability of the charger design and minimize the need for external components, reducing material costs and manufacturing costs, thereby increasing manufacturing efficiency.