Industries

Range of InnoSwitch3-PD flyback switcher ICs

23rd September 2021
Kiera Sowery

Power Integrations has announced the InnoSwitch3-PD family of ICs, claiming that they are the industry's most highly integrated solution for USB Type-C, USB Power Delivery (PD), and USB Programmable Power Supply (PPS) adapters.

This compact InSOP-24D-packaged IC includes a USB-C and PD controller, a high-voltage PowiGaN switch, a multi-mode quasi-resonant flyback controller, secondary-side sensing, FluxLink isolated digital feedback and a synchronous-rectification driver. 

Aditya Kulkarni, Senior Product Marketing Engineer at Power Integrations said: “InnoSwitch3-PD ICs target designers seeking the ultimate in charger power density. This requires the highest level of integration and maximum efficiency to limit self-heating.

"Our latest addition to the InnoSwitch3 family dramatically simplifies the development and manufacturing of compact, energy-efficient USB PD power supplies for smartphones, tablets, notebooks, and other devices that benefit from fast charging.

"InnoSwitch3-PD ICs reduce the BOM count to half that of conventional designs, reducing design time and simplifying high-volume manufacture for slim, ultra-compact OEM and aftermarket chargers.”

Featuring no-load power consumption as low as 14 mW, Power Integrations claim that power supply designs using InnoSwitch3-PD ICs meet all global energy-efficiency regulations. The efficiency of these devices ensures low heat dissipation, eliminating the need for bulky heatsinks.

Power Integrations’ FluxLink high-speed communications feedback link ensures fast, accurate secondary-side regulation. InnoSwitch3-PD ICs are also fully protected, with input voltage monitoring, accurate brown-in/brown-out and overvoltage protection, and output over- and under-voltage fault detection with independently configurable fault responses.

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