Diodes Offers Product Family with Improved Power Dissipation and Smaller Footprint

Diodes Inc., a global manufacturer and supplier of application specific standard products within the broad discrete and analog semiconductor markets, announced the release of the AP21x6 family of dual Universal Serial Bus (USB) power switches.

Target markets for the new devices include set-top-boxes, LCD TV and monitors, HDTV, residential gateway and ADSL, laptop, server, and consumer electronics with USB port(s). Application areas include USB port protection, heavy capacitive loads, short-circuit protection and over-current protection.

Expanding on the AP21x1/x2 product family, the company noted, the AP21x6 family offers a reduced footprint, improved switch on-resistance and better power dissipation than competing devices. The integrated high-side power switches are optimized for self-powered and bus-powered USB and other hot-swap applications. The family of devices complies with all USB standards and is available with both polarities of Enable input. The AP21x6 family provides a cost effective, small form-factor implementation that offers complete protection for USB ports in different systems.

The AP21x6 family is form, fit and function compatible with industry standard dual channel devices. Offered in SO8 packaging, these devices are rated for commercial applications. The power switches are also available in thermally enhanced MSOP-8L-EP packages, and are specified for operation over industrial temperature range of -40 to +85oC. Diodes offers extended output current options at 0.5A, 1A and 1.5A in both footprints, enabling these devices to be used to protect multiple USB ports for space conscious and low cost solutions.

Diodes said the AP21x6 family offers a faster response time, more accurate current limiting protection, and reverse current blocking compared to similar devices from competitors. Ensuring public safety and confidence while reducing costs and improving quality, the family meets UL's rigorous safety standards, file number E233275; and Nemko IEC 60950-1 CB Scheme.

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