CamSemi targets low cost mobile phone chargers

ENGLAND, UK: CamSemi has announced recent advances in the company's bipolar transistor (BJT) drive scheme and the first of a new generation of Primary Side Sensing (PSS) controllers to exploit these developments.

The new C2172 PSS controller will enable manufacturers to develop what the company believes will be the industry's lowest cost, most energy-efficient BJT-based solutions for mobile phone chargers and other universal input applications rated to 6.5 W. The new drive scheme will also help designers improve the ruggedness of their designs.

C2172 is the first CamSemi PSS controller to combine this powerful new drive scheme with the company's industry-proven PSS technology to deliver no-load power consumptions well below 30 mW and ‘best in class' load-transient response but with significantly lower system cost and component counts.